Merge tag 'fbdev-v4.11' of git://github.com/bzolnier/linux
authorLinus Torvalds <torvalds@linux-foundation.org>
Sat, 25 Feb 2017 21:20:22 +0000 (13:20 -0800)
committerLinus Torvalds <torvalds@linux-foundation.org>
Sat, 25 Feb 2017 21:20:22 +0000 (13:20 -0800)
Pull fbdev updates from Bartlomiej Zolnierkiewicz:

 - fix for font color when console is switched to another fb driver

 - deferred probing fixes for simplefb driver

 - preparations to add support of an optional GPIO to enable panel for
   ARM CLCD driver

 - some improvements for ssd1307fb driver

 - cleanups for OMAP fbdev LCD drivers

 - misc fixes/cleanups for various fb drivers

* tag 'fbdev-v4.11' of git://github.com/bzolnier/linux: (30 commits)
  video: fbdev: fsl-diu-fb: fix spelling mistake "palette"
  fbdev: ssd1307fb: include linux/gpio/consumer.h
  video: fbdev: fsl-diu-fb: remove impossible condition
  video: fbdev: amifb: remove impossible condition
  fbdev/ssd1307fb: clear screen in probe
  fbdev/ssd1307fb: add support to enable VBAT
  fbdev: ssd1307fb: Make reset gpio devicetree property optional
  fbdev: ssd1307fb: Remove reset-active-low from the DT binding document
  fbdev: ssd1307fb: Start to use gpiod API for reset gpio
  video: fbdev: sh_mobile_lcdcfb: fix error return code in sh_mobile_lcdc_probe()
  video: fbdev: offb: switch to using for_each_node_by_type
  video/console: use setup_timer and mod_timer instead of init_timer
  fbdev: omap/lcd: Make callbacks optional
  fbdev: omap/lcd: Staticize non-exported lcd_panel structs
  fbdev: omap/lcd: Remove no-op driver callbacks
  video/mbx: use simple_open()
  video: fbdev: stifb: handle NULL return value from ioremap_nocache
  video: fbdev: pmagb-b-fb: Remove bad `__init' annotation
  video: fbdev: pmag-ba-fb: Remove bad `__init' annotation
  video: ARM CLCD: use panel device node for getting backlight and mode
  ...

34 files changed:
Documentation/devicetree/bindings/display/ssd1307fb.txt
drivers/video/console/fbcon.c
drivers/video/fbdev/amba-clcd-nomadik.c
drivers/video/fbdev/amba-clcd-nomadik.h
drivers/video/fbdev/amba-clcd-versatile.c
drivers/video/fbdev/amba-clcd-versatile.h
drivers/video/fbdev/amba-clcd.c
drivers/video/fbdev/amifb.c
drivers/video/fbdev/fsl-diu-fb.c
drivers/video/fbdev/imxfb.c
drivers/video/fbdev/matrox/matroxfb_DAC1064.c
drivers/video/fbdev/matrox/matroxfb_Ti3026.c
drivers/video/fbdev/maxinefb.c
drivers/video/fbdev/mbx/mbxdebugfs.c
drivers/video/fbdev/offb.c
drivers/video/fbdev/omap/lcd_ams_delta.c
drivers/video/fbdev/omap/lcd_h3.c
drivers/video/fbdev/omap/lcd_htcherald.c
drivers/video/fbdev/omap/lcd_inn1510.c
drivers/video/fbdev/omap/lcd_inn1610.c
drivers/video/fbdev/omap/lcd_osk.c
drivers/video/fbdev/omap/lcd_palmte.c
drivers/video/fbdev/omap/lcd_palmtt.c
drivers/video/fbdev/omap/lcd_palmz71.c
drivers/video/fbdev/omap/omapfb_main.c
drivers/video/fbdev/pmag-ba-fb.c
drivers/video/fbdev/pmagb-b-fb.c
drivers/video/fbdev/sh_mobile_lcdcfb.c
drivers/video/fbdev/simplefb.c
drivers/video/fbdev/ssd1307fb.c
drivers/video/fbdev/stifb.c
drivers/video/fbdev/wm8505fb.c
include/linux/fsl-diu-fb.h
include/linux/platform_data/video-imxfb.h

index eb31ed4..209d931 100644 (file)
@@ -8,14 +8,15 @@ Required properties:
          0x3c or 0x3d
   - pwm: Should contain the pwm to use according to the OF device tree PWM
          specification [0]. Only required for the ssd1307.
-  - reset-gpios: Should contain the GPIO used to reset the OLED display
   - solomon,height: Height in pixel of the screen driven by the controller
   - solomon,width: Width in pixel of the screen driven by the controller
   - solomon,page-offset: Offset of pages (band of 8 pixels) that the screen is
     mapped to.
 
 Optional properties:
-  - reset-active-low: Is the reset gpio is active on physical low?
+  - reset-gpios: The GPIO used to reset the OLED display, if available. See
+                 Documentation/devicetree/bindings/gpio/gpio.txt for details.
+  - vbat-supply: The supply for VBAT
   - solomon,segment-no-remap: Display needs normal (non-inverted) data column
                               to segment mapping
   - solomon,com-seq: Display uses sequential COM pin configuration
index a44f562..12ded23 100644 (file)
@@ -412,11 +412,9 @@ static void fbcon_add_cursor_timer(struct fb_info *info)
                if (!info->queue.func)
                        INIT_WORK(&info->queue, fb_flashcursor);
 
-               init_timer(&ops->cursor_timer);
-               ops->cursor_timer.function = cursor_timer_handler;
-               ops->cursor_timer.expires = jiffies + ops->cur_blink_jiffies;
-               ops->cursor_timer.data = (unsigned long ) info;
-               add_timer(&ops->cursor_timer);
+               setup_timer(&ops->cursor_timer, cursor_timer_handler,
+                           (unsigned long) info);
+               mod_timer(&ops->cursor_timer, jiffies + ops->cur_blink_jiffies);
                ops->flags |= FBCON_FLAGS_CURSOR_TIMER;
        }
 }
@@ -1165,6 +1163,8 @@ static void fbcon_free_font(struct display *p, bool freefont)
        p->userfont = 0;
 }
 
+static void set_vc_hi_font(struct vc_data *vc, bool set);
+
 static void fbcon_deinit(struct vc_data *vc)
 {
        struct display *p = &fb_display[vc->vc_num];
@@ -1200,6 +1200,9 @@ finished:
        if (free_font)
                vc->vc_font.data = NULL;
 
+       if (vc->vc_hi_font_mask)
+               set_vc_hi_font(vc, false);
+
        if (!con_is_bound(&fb_con))
                fbcon_exit();
 
@@ -2436,32 +2439,10 @@ static int fbcon_get_font(struct vc_data *vc, struct console_font *font)
        return 0;
 }
 
-static int fbcon_do_set_font(struct vc_data *vc, int w, int h,
-                            const u8 * data, int userfont)
+/* set/clear vc_hi_font_mask and update vc attrs accordingly */
+static void set_vc_hi_font(struct vc_data *vc, bool set)
 {
-       struct fb_info *info = registered_fb[con2fb_map[vc->vc_num]];
-       struct fbcon_ops *ops = info->fbcon_par;
-       struct display *p = &fb_display[vc->vc_num];
-       int resize;
-       int cnt;
-       char *old_data = NULL;
-
-       if (con_is_visible(vc) && softback_lines)
-               fbcon_set_origin(vc);
-
-       resize = (w != vc->vc_font.width) || (h != vc->vc_font.height);
-       if (p->userfont)
-               old_data = vc->vc_font.data;
-       if (userfont)
-               cnt = FNTCHARCNT(data);
-       else
-               cnt = 256;
-       vc->vc_font.data = (void *)(p->fontdata = data);
-       if ((p->userfont = userfont))
-               REFCOUNT(data)++;
-       vc->vc_font.width = w;
-       vc->vc_font.height = h;
-       if (vc->vc_hi_font_mask && cnt == 256) {
+       if (!set) {
                vc->vc_hi_font_mask = 0;
                if (vc->vc_can_do_color) {
                        vc->vc_complement_mask >>= 1;
@@ -2484,7 +2465,7 @@ static int fbcon_do_set_font(struct vc_data *vc, int w, int h,
                            ((c & 0xfe00) >> 1) | (c & 0xff);
                        vc->vc_attr >>= 1;
                }
-       } else if (!vc->vc_hi_font_mask && cnt == 512) {
+       } else {
                vc->vc_hi_font_mask = 0x100;
                if (vc->vc_can_do_color) {
                        vc->vc_complement_mask <<= 1;
@@ -2516,8 +2497,38 @@ static int fbcon_do_set_font(struct vc_data *vc, int w, int h,
                        } else
                                vc->vc_video_erase_char = c & ~0x100;
                }
-
        }
+}
+
+static int fbcon_do_set_font(struct vc_data *vc, int w, int h,
+                            const u8 * data, int userfont)
+{
+       struct fb_info *info = registered_fb[con2fb_map[vc->vc_num]];
+       struct fbcon_ops *ops = info->fbcon_par;
+       struct display *p = &fb_display[vc->vc_num];
+       int resize;
+       int cnt;
+       char *old_data = NULL;
+
+       if (con_is_visible(vc) && softback_lines)
+               fbcon_set_origin(vc);
+
+       resize = (w != vc->vc_font.width) || (h != vc->vc_font.height);
+       if (p->userfont)
+               old_data = vc->vc_font.data;
+       if (userfont)
+               cnt = FNTCHARCNT(data);
+       else
+               cnt = 256;
+       vc->vc_font.data = (void *)(p->fontdata = data);
+       if ((p->userfont = userfont))
+               REFCOUNT(data)++;
+       vc->vc_font.width = w;
+       vc->vc_font.height = h;
+       if (vc->vc_hi_font_mask && cnt == 256)
+               set_vc_hi_font(vc, false);
+       else if (!vc->vc_hi_font_mask && cnt == 512)
+               set_vc_hi_font(vc, true);
 
        if (resize) {
                int cols, rows;
index 476ff3f..cd2db11 100644 (file)
@@ -213,15 +213,8 @@ static void tpg110_init(struct device *dev, struct device_node *np,
        board->disable = tpg110_disable;
 }
 
-int nomadik_clcd_init_panel(struct clcd_fb *fb,
-                           struct device_node *endpoint)
+int nomadik_clcd_init_panel(struct clcd_fb *fb, struct device_node *panel)
 {
-       struct device_node *panel;
-
-       panel = of_graph_get_remote_port_parent(endpoint);
-       if (!panel)
-               return -ENODEV;
-
        if (of_device_is_compatible(panel, "tpo,tpg110"))
                tpg110_init(&fb->dev->dev, panel, fb->board);
        else
index 50aa9bd..a24032c 100644 (file)
@@ -6,8 +6,7 @@
 #ifdef CONFIG_ARCH_NOMADIK
 int nomadik_clcd_init_board(struct amba_device *adev,
                             struct clcd_board *board);
-int nomadik_clcd_init_panel(struct clcd_fb *fb,
-                           struct device_node *endpoint);
+int nomadik_clcd_init_panel(struct clcd_fb *fb, struct device_node *panel);
 #else
 static inline int nomadik_clcd_init_board(struct amba_device *adev,
                                          struct clcd_board *board)
@@ -15,7 +14,7 @@ static inline int nomadik_clcd_init_board(struct amba_device *adev,
        return 0;
 }
 static inline int nomadik_clcd_init_panel(struct clcd_fb *fb,
-                                         struct device_node *endpoint)
+                                         struct device_node *panel)
 {
        return 0;
 }
index e5d9bfc..d42047d 100644 (file)
@@ -452,11 +452,9 @@ static const struct versatile_panel versatile_panels[] = {
        },
 };
 
-static void versatile_panel_probe(struct device *dev,
-                                 struct device_node *endpoint)
+static void versatile_panel_probe(struct device *dev, struct device_node *panel)
 {
        struct versatile_panel const *vpanel = NULL;
-       struct device_node *panel = NULL;
        u32 val;
        int ret;
        int i;
@@ -488,11 +486,6 @@ static void versatile_panel_probe(struct device *dev,
                return;
        }
 
-       panel = of_graph_get_remote_port_parent(endpoint);
-       if (!panel) {
-               dev_err(dev, "could not locate panel in DT\n");
-               return;
-       }
        if (!of_device_is_compatible(panel, vpanel->compatible))
                dev_err(dev, "panel in DT is not compatible with the "
                        "auto-detected panel, continuing anyway\n");
@@ -514,8 +507,7 @@ static void versatile_panel_probe(struct device *dev,
        }
 }
 
-int versatile_clcd_init_panel(struct clcd_fb *fb,
-                             struct device_node *endpoint)
+int versatile_clcd_init_panel(struct clcd_fb *fb, struct device_node *panel)
 {
        const struct of_device_id *clcd_id;
        enum versatile_clcd versatile_clcd_type;
@@ -551,7 +543,7 @@ int versatile_clcd_init_panel(struct clcd_fb *fb,
                fb->board->enable = versatile_clcd_enable;
                fb->board->disable = versatile_clcd_disable;
                fb->board->decode = versatile_clcd_decode;
-               versatile_panel_probe(dev, endpoint);
+               versatile_panel_probe(dev, panel);
                dev_info(dev, "set up callbacks for Versatile\n");
                break;
        case REALVIEW_CLCD_EB:
index 1b14359..4692c30 100644 (file)
@@ -6,11 +6,10 @@
 #include <linux/platform_data/video-clcd-versatile.h>
 
 #if defined(CONFIG_PLAT_VERSATILE_CLCD) && defined(CONFIG_OF)
-int versatile_clcd_init_panel(struct clcd_fb *fb,
-                             struct device_node *endpoint);
+int versatile_clcd_init_panel(struct clcd_fb *fb, struct device_node *panel);
 #else
 static inline int versatile_clcd_init_panel(struct clcd_fb *fb,
-                               struct device_node *endpoint)
+                                           struct device_node *panel)
 {
        return 0;
 }
index ec2671d..0fab92c 100644 (file)
  *
  *  ARM PrimeCell PL110 Color LCD Controller
  */
-#include <linux/dma-mapping.h>
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/errno.h>
-#include <linux/string.h>
-#include <linux/slab.h>
+#include <linux/amba/bus.h>
+#include <linux/amba/clcd.h>
+#include <linux/backlight.h>
+#include <linux/clk.h>
 #include <linux/delay.h>
-#include <linux/mm.h>
+#include <linux/dma-mapping.h>
 #include <linux/fb.h>
 #include <linux/init.h>
 #include <linux/ioport.h>
 #include <linux/list.h>
-#include <linux/amba/bus.h>
-#include <linux/amba/clcd.h>
-#include <linux/bitops.h>
-#include <linux/clk.h>
-#include <linux/hardirq.h>
-#include <linux/of.h>
+#include <linux/mm.h>
+#include <linux/module.h>
 #include <linux/of_address.h>
 #include <linux/of_graph.h>
-#include <linux/backlight.h>
+#include <linux/slab.h>
+#include <linux/string.h>
 #include <video/display_timing.h>
 #include <video/of_display_timing.h>
 #include <video/videomode.h>
@@ -629,16 +624,11 @@ static int clcdfb_snprintf_mode(char *buf, int size, struct fb_videomode *mode)
                        mode->refresh);
 }
 
-static int clcdfb_of_get_backlight(struct device_node *endpoint,
+static int clcdfb_of_get_backlight(struct device_node *panel,
                                   struct clcd_panel *clcd_panel)
 {
-       struct device_node *panel;
        struct device_node *backlight;
 
-       panel = of_graph_get_remote_port_parent(endpoint);
-       if (!panel)
-               return -ENODEV;
-
        /* Look up the optional backlight phandle */
        backlight = of_parse_phandle(panel, "backlight", 0);
        if (backlight) {
@@ -651,19 +641,14 @@ static int clcdfb_of_get_backlight(struct device_node *endpoint,
        return 0;
 }
 
-static int clcdfb_of_get_mode(struct device *dev, struct device_node *endpoint,
-               struct clcd_panel *clcd_panel)
+static int clcdfb_of_get_mode(struct device *dev, struct device_node *panel,
+                             struct clcd_panel *clcd_panel)
 {
        int err;
-       struct device_node *panel;
        struct fb_videomode *mode;
        char *name;
        int len;
 
-       panel = of_graph_get_remote_port_parent(endpoint);
-       if (!panel)
-               return -ENODEV;
-
        /* Only directly connected DPI panels supported for now */
        if (of_device_is_compatible(panel, "panel-dpi"))
                err = clcdfb_of_get_dpi_panel_mode(panel, clcd_panel);
@@ -769,7 +754,7 @@ static int clcdfb_of_init_tft_panel(struct clcd_fb *fb, u32 r0, u32 g0, u32 b0)
 
 static int clcdfb_of_init_display(struct clcd_fb *fb)
 {
-       struct device_node *endpoint;
+       struct device_node *endpoint, *panel;
        int err;
        unsigned int bpp;
        u32 max_bandwidth;
@@ -786,17 +771,21 @@ static int clcdfb_of_init_display(struct clcd_fb *fb)
        if (!endpoint)
                return -ENODEV;
 
+       panel = of_graph_get_remote_port_parent(endpoint);
+       if (!panel)
+               return -ENODEV;
+
        if (fb->vendor->init_panel) {
-               err = fb->vendor->init_panel(fb, endpoint);
+               err = fb->vendor->init_panel(fb, panel);
                if (err)
                        return err;
        }
 
-       err = clcdfb_of_get_backlight(endpoint, fb->panel);
+       err = clcdfb_of_get_backlight(panel, fb->panel);
        if (err)
                return err;
 
-       err = clcdfb_of_get_mode(&fb->dev->dev, endpoint, fb->panel);
+       err = clcdfb_of_get_mode(&fb->dev->dev, panel, fb->panel);
        if (err)
                return err;
 
index 1d702e1..cc11c60 100644 (file)
@@ -1484,13 +1484,11 @@ static int ami_decode_var(struct fb_var_screeninfo *var, struct amifb_par *par,
                par->xoffset = var->xoffset;
                par->yoffset = var->yoffset;
                if (par->vmode & FB_VMODE_YWRAP) {
-                       if (par->xoffset || par->yoffset < 0 ||
-                           par->yoffset >= par->vyres)
+                       if (par->yoffset >= par->vyres)
                                par->xoffset = par->yoffset = 0;
                } else {
-                       if (par->xoffset < 0 ||
-                           par->xoffset > upx(16 << maxfmode, par->vxres - par->xres) ||
-                           par->yoffset < 0 || par->yoffset > par->vyres - par->yres)
+                       if (par->xoffset > upx(16 << maxfmode, par->vxres - par->xres) ||
+                           par->yoffset > par->vyres - par->yres)
                                par->xoffset = par->yoffset = 0;
                }
        } else
index fe00a07..ca3d6b3 100644 (file)
@@ -439,12 +439,12 @@ static struct mfb_info mfb_template[] = {
 static void __attribute__ ((unused)) fsl_diu_dump(struct diu __iomem *hw)
 {
        mb();
-       pr_debug("DIU: desc=%08x,%08x,%08x, gamma=%08x pallete=%08x "
+       pr_debug("DIU: desc=%08x,%08x,%08x, gamma=%08x palette=%08x "
                 "cursor=%08x curs_pos=%08x diu_mode=%08x bgnd=%08x "
                 "disp_size=%08x hsyn_para=%08x vsyn_para=%08x syn_pol=%08x "
                 "thresholds=%08x int_mask=%08x plut=%08x\n",
                 hw->desc[0], hw->desc[1], hw->desc[2], hw->gamma,
-                hw->pallete, hw->cursor, hw->curs_pos, hw->diu_mode,
+                hw->palette, hw->cursor, hw->curs_pos, hw->diu_mode,
                 hw->bgnd, hw->disp_size, hw->hsyn_para, hw->vsyn_para,
                 hw->syn_pol, hw->thresholds, hw->int_mask, hw->plut);
        rmb();
@@ -703,12 +703,6 @@ static int fsl_diu_check_var(struct fb_var_screeninfo *var,
        if (var->yres_virtual < var->yres)
                var->yres_virtual = var->yres;
 
-       if (var->xoffset < 0)
-               var->xoffset = 0;
-
-       if (var->yoffset < 0)
-               var->yoffset = 0;
-
        if (var->xoffset + info->var.xres > info->var.xres_virtual)
                var->xoffset = info->var.xres_virtual - info->var.xres;
 
@@ -1254,8 +1248,7 @@ static int fsl_diu_pan_display(struct fb_var_screeninfo *var,
            (info->var.yoffset == var->yoffset))
                return 0;       /* No change, do nothing */
 
-       if (var->xoffset < 0 || var->yoffset < 0
-           || var->xoffset + info->var.xres > info->var.xres_virtual
+       if (var->xoffset + info->var.xres > info->var.xres_virtual
            || var->yoffset + info->var.yres > info->var.yres_virtual)
                return -EINVAL;
 
index fe0c4ee..1b0faad 100644 (file)
@@ -985,7 +985,11 @@ static int imxfb_probe(struct platform_device *pdev)
         */
        imxfb_check_var(&info->var, info);
 
-       ret = fb_alloc_cmap(&info->cmap, 1 << info->var.bits_per_pixel, 0);
+       /*
+        * For modes > 8bpp, the color map is bypassed.
+        * Therefore, 256 entries are enough.
+        */
+       ret = fb_alloc_cmap(&info->cmap, 256, 0);
        if (ret < 0)
                goto failed_cmap;
 
index a01147f..b380a39 100644 (file)
@@ -1088,14 +1088,20 @@ static void MGAG100_restore(struct matrox_fb_info *minfo)
 
 #ifdef CONFIG_FB_MATROX_MYSTIQUE
 struct matrox_switch matrox_mystique = {
-       MGA1064_preinit, MGA1064_reset, MGA1064_init, MGA1064_restore,
+       .preinit        = MGA1064_preinit,
+       .reset          = MGA1064_reset,
+       .init           = MGA1064_init,
+       .restore        = MGA1064_restore,
 };
 EXPORT_SYMBOL(matrox_mystique);
 #endif
 
 #ifdef CONFIG_FB_MATROX_G
 struct matrox_switch matrox_G100 = {
-       MGAG100_preinit, MGAG100_reset, MGAG100_init, MGAG100_restore,
+       .preinit        = MGAG100_preinit,
+       .reset          = MGAG100_reset,
+       .init           = MGAG100_init,
+       .restore        = MGAG100_restore,
 };
 EXPORT_SYMBOL(matrox_G100);
 #endif
index 68fa037..9ff9be8 100644 (file)
@@ -738,7 +738,10 @@ static int Ti3026_preinit(struct matrox_fb_info *minfo)
 }
 
 struct matrox_switch matrox_millennium = {
-       Ti3026_preinit, Ti3026_reset, Ti3026_init, Ti3026_restore
+       .preinit        = Ti3026_preinit,
+       .reset          = Ti3026_reset,
+       .init           = Ti3026_init,
+       .restore        = Ti3026_restore
 };
 EXPORT_SYMBOL(matrox_millennium);
 #endif
index 5cf52d3..cab7333 100644 (file)
@@ -51,7 +51,7 @@ static struct fb_var_screeninfo maxinefb_defined = {
        .vmode =        FB_VMODE_NONINTERLACED,
 };
 
-static struct fb_fix_screeninfo maxinefb_fix = {
+static struct fb_fix_screeninfo maxinefb_fix __initdata = {
        .id =           "Maxine",
        .smem_len =     (1024*768),
        .type =         FB_TYPE_PACKED_PIXELS,
index e3bc00a..2528d3e 100644 (file)
@@ -15,12 +15,6 @@ struct mbxfb_debugfs_data {
        struct dentry *misc;
 };
 
-static int open_file_generic(struct inode *inode, struct file *file)
-{
-       file->private_data = inode->i_private;
-       return 0;
-}
-
 static ssize_t write_file_dummy(struct file *file, const char __user *buf,
                                size_t count, loff_t *ppos)
 {
@@ -174,42 +168,42 @@ static ssize_t misc_read_file(struct file *file, char __user *userbuf,
 static const struct file_operations sysconf_fops = {
        .read = sysconf_read_file,
        .write = write_file_dummy,
-       .open = open_file_generic,
+       .open = simple_open,
        .llseek = default_llseek,
 };
 
 static const struct file_operations clock_fops = {
        .read = clock_read_file,
        .write = write_file_dummy,
-       .open = open_file_generic,
+       .open = simple_open,
        .llseek = default_llseek,
 };
 
 static const struct file_operations display_fops = {
        .read = display_read_file,
        .write = write_file_dummy,
-       .open = open_file_generic,
+       .open = simple_open,
        .llseek = default_llseek,
 };
 
 static const struct file_operations gsctl_fops = {
        .read = gsctl_read_file,
        .write = write_file_dummy,
-       .open = open_file_generic,
+       .open = simple_open,
        .llseek = default_llseek,
 };
 
 static const struct file_operations sdram_fops = {
        .read = sdram_read_file,
        .write = write_file_dummy,
-       .open = open_file_generic,
+       .open = simple_open,
        .llseek = default_llseek,
 };
 
 static const struct file_operations misc_fops = {
        .read = misc_read_file,
        .write = write_file_dummy,
-       .open = open_file_generic,
+       .open = simple_open,
        .llseek = default_llseek,
 };
 
index 906c6e7..9be884b 100644 (file)
@@ -668,14 +668,14 @@ static int __init offb_init(void)
                offb_init_nodriver(of_chosen, 1);
        }
 
-       for (dp = NULL; (dp = of_find_node_by_type(dp, "display"));) {
+       for_each_node_by_type(dp, "display") {
                if (of_get_property(dp, "linux,opened", NULL) &&
                    of_get_property(dp, "linux,boot-display", NULL)) {
                        boot_disp = dp;
                        offb_init_nodriver(dp, 0);
                }
        }
-       for (dp = NULL; (dp = of_find_node_by_type(dp, "display"));) {
+       for_each_node_by_type(dp, "display") {
                if (of_get_property(dp, "linux,opened", NULL) &&
                    dp != boot_disp)
                        offb_init_nodriver(dp, 0);
index f912a20..a4ee947 100644 (file)
@@ -136,11 +136,6 @@ static void ams_delta_panel_disable(struct lcd_panel *panel)
        gpio_set_value(AMS_DELTA_GPIO_PIN_LCD_NDISP, 0);
 }
 
-static unsigned long ams_delta_panel_get_caps(struct lcd_panel *panel)
-{
-       return 0;
-}
-
 static struct lcd_panel ams_delta_panel = {
        .name           = "ams-delta",
        .config         = 0,
@@ -163,7 +158,6 @@ static struct lcd_panel ams_delta_panel = {
        .cleanup        = ams_delta_panel_cleanup,
        .enable         = ams_delta_panel_enable,
        .disable        = ams_delta_panel_disable,
-       .get_caps       = ams_delta_panel_get_caps,
 };
 
 
@@ -195,27 +189,8 @@ static int ams_delta_panel_probe(struct platform_device *pdev)
        return 0;
 }
 
-static int ams_delta_panel_remove(struct platform_device *pdev)
-{
-       return 0;
-}
-
-static int ams_delta_panel_suspend(struct platform_device *pdev,
-               pm_message_t mesg)
-{
-       return 0;
-}
-
-static int ams_delta_panel_resume(struct platform_device *pdev)
-{
-       return 0;
-}
-
 static struct platform_driver ams_delta_panel_driver = {
        .probe          = ams_delta_panel_probe,
-       .remove         = ams_delta_panel_remove,
-       .suspend        = ams_delta_panel_suspend,
-       .resume         = ams_delta_panel_resume,
        .driver         = {
                .name   = "lcd_ams_delta",
        },
index 21512b0..9d2da14 100644 (file)
 
 #define MODULE_NAME    "omapfb-lcd_h3"
 
-static int h3_panel_init(struct lcd_panel *panel, struct omapfb_device *fbdev)
-{
-       return 0;
-}
-
-static void h3_panel_cleanup(struct lcd_panel *panel)
-{
-}
-
 static int h3_panel_enable(struct lcd_panel *panel)
 {
        int r = 0;
@@ -63,12 +54,7 @@ static void h3_panel_disable(struct lcd_panel *panel)
                pr_err(MODULE_NAME ": Unable to turn off LCD panel\n");
 }
 
-static unsigned long h3_panel_get_caps(struct lcd_panel *panel)
-{
-       return 0;
-}
-
-struct lcd_panel h3_panel = {
+static struct lcd_panel h3_panel = {
        .name           = "h3",
        .config         = OMAP_LCDC_PANEL_TFT,
 
@@ -85,11 +71,8 @@ struct lcd_panel h3_panel = {
        .vbp            = 0,
        .pcd            = 0,
 
-       .init           = h3_panel_init,
-       .cleanup        = h3_panel_cleanup,
        .enable         = h3_panel_enable,
        .disable        = h3_panel_disable,
-       .get_caps       = h3_panel_get_caps,
 };
 
 static int h3_panel_probe(struct platform_device *pdev)
@@ -98,26 +81,8 @@ static int h3_panel_probe(struct platform_device *pdev)
        return 0;
 }
 
-static int h3_panel_remove(struct platform_device *pdev)
-{
-       return 0;
-}
-
-static int h3_panel_suspend(struct platform_device *pdev, pm_message_t mesg)
-{
-       return 0;
-}
-
-static int h3_panel_resume(struct platform_device *pdev)
-{
-       return 0;
-}
-
 static struct platform_driver h3_panel_driver = {
        .probe          = h3_panel_probe,
-       .remove         = h3_panel_remove,
-       .suspend        = h3_panel_suspend,
-       .resume         = h3_panel_resume,
        .driver         = {
                .name   = "lcd_h3",
        },
index 8b4dfa0..9d692f5 100644 (file)
 
 #include "omapfb.h"
 
-static int htcherald_panel_init(struct lcd_panel *panel,
-                                       struct omapfb_device *fbdev)
-{
-       return 0;
-}
-
-static void htcherald_panel_cleanup(struct lcd_panel *panel)
-{
-}
-
-static int htcherald_panel_enable(struct lcd_panel *panel)
-{
-       return 0;
-}
-
-static void htcherald_panel_disable(struct lcd_panel *panel)
-{
-}
-
-static unsigned long htcherald_panel_get_caps(struct lcd_panel *panel)
-{
-       return 0;
-}
-
 /* Found on WIZ200 (miknix) and some HERA110 models (darkstar62) */
-struct lcd_panel htcherald_panel_1 = {
+static struct lcd_panel htcherald_panel_1 = {
        .name           = "lcd_herald",
        .config         = OMAP_LCDC_PANEL_TFT |
                          OMAP_LCDC_INV_HSYNC |
@@ -74,12 +50,6 @@ struct lcd_panel htcherald_panel_1 = {
        .vsw            = 3,
        .vfp            = 2,
        .vbp            = 2,
-
-       .init           = htcherald_panel_init,
-       .cleanup        = htcherald_panel_cleanup,
-       .enable         = htcherald_panel_enable,
-       .disable        = htcherald_panel_disable,
-       .get_caps       = htcherald_panel_get_caps,
 };
 
 static int htcherald_panel_probe(struct platform_device *pdev)
@@ -88,27 +58,8 @@ static int htcherald_panel_probe(struct platform_device *pdev)
        return 0;
 }
 
-static int htcherald_panel_remove(struct platform_device *pdev)
-{
-       return 0;
-}
-
-static int htcherald_panel_suspend(struct platform_device *pdev,
-                                               pm_message_t mesg)
-{
-       return 0;
-}
-
-static int htcherald_panel_resume(struct platform_device *pdev)
-{
-       return 0;
-}
-
 static struct platform_driver htcherald_panel_driver = {
        .probe          = htcherald_panel_probe,
-       .remove         = htcherald_panel_remove,
-       .suspend        = htcherald_panel_suspend,
-       .resume         = htcherald_panel_resume,
        .driver         = {
                .name   = "lcd_htcherald",
        },
index 49907fa..b284050 100644 (file)
 
 #include "omapfb.h"
 
-static int innovator1510_panel_init(struct lcd_panel *panel,
-                                   struct omapfb_device *fbdev)
-{
-       return 0;
-}
-
-static void innovator1510_panel_cleanup(struct lcd_panel *panel)
-{
-}
-
 static int innovator1510_panel_enable(struct lcd_panel *panel)
 {
        __raw_writeb(0x7, OMAP1510_FPGA_LCD_PANEL_CONTROL);
@@ -48,12 +38,7 @@ static void innovator1510_panel_disable(struct lcd_panel *panel)
        __raw_writeb(0x0, OMAP1510_FPGA_LCD_PANEL_CONTROL);
 }
 
-static unsigned long innovator1510_panel_get_caps(struct lcd_panel *panel)
-{
-       return 0;
-}
-
-struct lcd_panel innovator1510_panel = {
+static struct lcd_panel innovator1510_panel = {
        .name           = "inn1510",
        .config         = OMAP_LCDC_PANEL_TFT,
 
@@ -70,11 +55,8 @@ struct lcd_panel innovator1510_panel = {
        .vbp            = 0,
        .pcd            = 12,
 
-       .init           = innovator1510_panel_init,
-       .cleanup        = innovator1510_panel_cleanup,
        .enable         = innovator1510_panel_enable,
        .disable        = innovator1510_panel_disable,
-       .get_caps       = innovator1510_panel_get_caps,
 };
 
 static int innovator1510_panel_probe(struct platform_device *pdev)
@@ -83,27 +65,8 @@ static int innovator1510_panel_probe(struct platform_device *pdev)
        return 0;
 }
 
-static int innovator1510_panel_remove(struct platform_device *pdev)
-{
-       return 0;
-}
-
-static int innovator1510_panel_suspend(struct platform_device *pdev,
-                                      pm_message_t mesg)
-{
-       return 0;
-}
-
-static int innovator1510_panel_resume(struct platform_device *pdev)
-{
-       return 0;
-}
-
 static struct platform_driver innovator1510_panel_driver = {
        .probe          = innovator1510_panel_probe,
-       .remove         = innovator1510_panel_remove,
-       .suspend        = innovator1510_panel_suspend,
-       .resume         = innovator1510_panel_resume,
        .driver         = {
                .name   = "lcd_inn1510",
        },
index 8b42894..1841710 100644 (file)
@@ -69,12 +69,7 @@ static void innovator1610_panel_disable(struct lcd_panel *panel)
        gpio_set_value(15, 0);
 }
 
-static unsigned long innovator1610_panel_get_caps(struct lcd_panel *panel)
-{
-       return 0;
-}
-
-struct lcd_panel innovator1610_panel = {
+static struct lcd_panel innovator1610_panel = {
        .name           = "inn1610",
        .config         = OMAP_LCDC_PANEL_TFT,
 
@@ -95,7 +90,6 @@ struct lcd_panel innovator1610_panel = {
        .cleanup        = innovator1610_panel_cleanup,
        .enable         = innovator1610_panel_enable,
        .disable        = innovator1610_panel_disable,
-       .get_caps       = innovator1610_panel_get_caps,
 };
 
 static int innovator1610_panel_probe(struct platform_device *pdev)
@@ -104,27 +98,8 @@ static int innovator1610_panel_probe(struct platform_device *pdev)
        return 0;
 }
 
-static int innovator1610_panel_remove(struct platform_device *pdev)
-{
-       return 0;
-}
-
-static int innovator1610_panel_suspend(struct platform_device *pdev,
-                                      pm_message_t mesg)
-{
-       return 0;
-}
-
-static int innovator1610_panel_resume(struct platform_device *pdev)
-{
-       return 0;
-}
-
 static struct platform_driver innovator1610_panel_driver = {
        .probe          = innovator1610_panel_probe,
-       .remove         = innovator1610_panel_remove,
-       .suspend        = innovator1610_panel_suspend,
-       .resume         = innovator1610_panel_resume,
        .driver         = {
                .name   = "lcd_inn1610",
        },
index b56886c..b0be577 100644 (file)
 
 #include "omapfb.h"
 
-static int osk_panel_init(struct lcd_panel *panel, struct omapfb_device *fbdev)
-{
-       /* gpio2 was allocated in board init */
-       return 0;
-}
-
-static void osk_panel_cleanup(struct lcd_panel *panel)
-{
-}
-
 static int osk_panel_enable(struct lcd_panel *panel)
 {
        /* configure PWL pin */
@@ -68,12 +58,7 @@ static void osk_panel_disable(struct lcd_panel *panel)
        gpio_set_value(2, 0);
 }
 
-static unsigned long osk_panel_get_caps(struct lcd_panel *panel)
-{
-       return 0;
-}
-
-struct lcd_panel osk_panel = {
+static struct lcd_panel osk_panel = {
        .name           = "osk",
        .config         = OMAP_LCDC_PANEL_TFT,
 
@@ -90,11 +75,8 @@ struct lcd_panel osk_panel = {
        .vbp            = 0,
        .pcd            = 12,
 
-       .init           = osk_panel_init,
-       .cleanup        = osk_panel_cleanup,
        .enable         = osk_panel_enable,
        .disable        = osk_panel_disable,
-       .get_caps       = osk_panel_get_caps,
 };
 
 static int osk_panel_probe(struct platform_device *pdev)
@@ -103,26 +85,8 @@ static int osk_panel_probe(struct platform_device *pdev)
        return 0;
 }
 
-static int osk_panel_remove(struct platform_device *pdev)
-{
-       return 0;
-}
-
-static int osk_panel_suspend(struct platform_device *pdev, pm_message_t mesg)
-{
-       return 0;
-}
-
-static int osk_panel_resume(struct platform_device *pdev)
-{
-       return 0;
-}
-
 static struct platform_driver osk_panel_driver = {
        .probe          = osk_panel_probe,
-       .remove         = osk_panel_remove,
-       .suspend        = osk_panel_suspend,
-       .resume         = osk_panel_resume,
        .driver         = {
                .name   = "lcd_osk",
        },
index 2713fed..cef9638 100644 (file)
 
 #include "omapfb.h"
 
-static int palmte_panel_init(struct lcd_panel *panel,
-                               struct omapfb_device *fbdev)
-{
-       return 0;
-}
-
-static void palmte_panel_cleanup(struct lcd_panel *panel)
-{
-}
-
-static int palmte_panel_enable(struct lcd_panel *panel)
-{
-       return 0;
-}
-
-static void palmte_panel_disable(struct lcd_panel *panel)
-{
-}
-
-static unsigned long palmte_panel_get_caps(struct lcd_panel *panel)
-{
-       return 0;
-}
-
-struct lcd_panel palmte_panel = {
+static struct lcd_panel palmte_panel = {
        .name           = "palmte",
        .config         = OMAP_LCDC_PANEL_TFT | OMAP_LCDC_INV_VSYNC |
                          OMAP_LCDC_INV_HSYNC | OMAP_LCDC_HSVS_RISING_EDGE |
@@ -67,12 +43,6 @@ struct lcd_panel palmte_panel = {
        .vfp            = 8,
        .vbp            = 7,
        .pcd            = 0,
-
-       .init           = palmte_panel_init,
-       .cleanup        = palmte_panel_cleanup,
-       .enable         = palmte_panel_enable,
-       .disable        = palmte_panel_disable,
-       .get_caps       = palmte_panel_get_caps,
 };
 
 static int palmte_panel_probe(struct platform_device *pdev)
@@ -81,26 +51,8 @@ static int palmte_panel_probe(struct platform_device *pdev)
        return 0;
 }
 
-static int palmte_panel_remove(struct platform_device *pdev)
-{
-       return 0;
-}
-
-static int palmte_panel_suspend(struct platform_device *pdev, pm_message_t mesg)
-{
-       return 0;
-}
-
-static int palmte_panel_resume(struct platform_device *pdev)
-{
-       return 0;
-}
-
 static struct platform_driver palmte_panel_driver = {
        .probe          = palmte_panel_probe,
-       .remove         = palmte_panel_remove,
-       .suspend        = palmte_panel_suspend,
-       .resume         = palmte_panel_resume,
        .driver         = {
                .name   = "lcd_palmte",
        },
index 1a936d5..627f13d 100644 (file)
@@ -32,31 +32,12 @@ GPIO13 - screen blanking
 
 #include "omapfb.h"
 
-static int palmtt_panel_init(struct lcd_panel *panel,
-       struct omapfb_device *fbdev)
-{
-       return 0;
-}
-
-static void palmtt_panel_cleanup(struct lcd_panel *panel)
-{
-}
-
-static int palmtt_panel_enable(struct lcd_panel *panel)
-{
-       return 0;
-}
-
-static void palmtt_panel_disable(struct lcd_panel *panel)
-{
-}
-
 static unsigned long palmtt_panel_get_caps(struct lcd_panel *panel)
 {
        return OMAPFB_CAPS_SET_BACKLIGHT;
 }
 
-struct lcd_panel palmtt_panel = {
+static struct lcd_panel palmtt_panel = {
        .name           = "palmtt",
        .config         = OMAP_LCDC_PANEL_TFT | OMAP_LCDC_INV_VSYNC |
                        OMAP_LCDC_INV_HSYNC | OMAP_LCDC_HSVS_RISING_EDGE |
@@ -74,10 +55,6 @@ struct lcd_panel palmtt_panel = {
        .vbp            = 7,
        .pcd            = 0,
 
-       .init           = palmtt_panel_init,
-       .cleanup        = palmtt_panel_cleanup,
-       .enable         = palmtt_panel_enable,
-       .disable        = palmtt_panel_disable,
        .get_caps       = palmtt_panel_get_caps,
 };
 
@@ -87,26 +64,8 @@ static int palmtt_panel_probe(struct platform_device *pdev)
        return 0;
 }
 
-static int palmtt_panel_remove(struct platform_device *pdev)
-{
-       return 0;
-}
-
-static int palmtt_panel_suspend(struct platform_device *pdev, pm_message_t mesg)
-{
-       return 0;
-}
-
-static int palmtt_panel_resume(struct platform_device *pdev)
-{
-       return 0;
-}
-
 static struct platform_driver palmtt_panel_driver = {
        .probe          = palmtt_panel_probe,
-       .remove         = palmtt_panel_remove,
-       .suspend        = palmtt_panel_suspend,
-       .resume         = palmtt_panel_resume,
        .driver         = {
                .name   = "lcd_palmtt",
        },
index a20db4f..c46d4db 100644 (file)
 
 #include "omapfb.h"
 
-static int palmz71_panel_init(struct lcd_panel *panel,
-                             struct omapfb_device *fbdev)
-{
-       return 0;
-}
-
-static void palmz71_panel_cleanup(struct lcd_panel *panel)
-{
-
-}
-
-static int palmz71_panel_enable(struct lcd_panel *panel)
-{
-       return 0;
-}
-
-static void palmz71_panel_disable(struct lcd_panel *panel)
-{
-}
-
 static unsigned long palmz71_panel_get_caps(struct lcd_panel *panel)
 {
        return OMAPFB_CAPS_SET_BACKLIGHT;
 }
 
-struct lcd_panel palmz71_panel = {
+static struct lcd_panel palmz71_panel = {
        .name           = "palmz71",
        .config         = OMAP_LCDC_PANEL_TFT | OMAP_LCDC_INV_VSYNC |
                          OMAP_LCDC_INV_HSYNC | OMAP_LCDC_HSVS_RISING_EDGE |
@@ -69,10 +49,6 @@ struct lcd_panel palmz71_panel = {
        .vbp            = 7,
        .pcd            = 0,
 
-       .init           = palmz71_panel_init,
-       .cleanup        = palmz71_panel_cleanup,
-       .enable         = palmz71_panel_enable,
-       .disable        = palmz71_panel_disable,
        .get_caps       = palmz71_panel_get_caps,
 };
 
@@ -82,27 +58,8 @@ static int palmz71_panel_probe(struct platform_device *pdev)
        return 0;
 }
 
-static int palmz71_panel_remove(struct platform_device *pdev)
-{
-       return 0;
-}
-
-static int palmz71_panel_suspend(struct platform_device *pdev,
-                                pm_message_t mesg)
-{
-       return 0;
-}
-
-static int palmz71_panel_resume(struct platform_device *pdev)
-{
-       return 0;
-}
-
 static struct platform_driver palmz71_panel_driver = {
        .probe          = palmz71_panel_probe,
-       .remove         = palmz71_panel_remove,
-       .suspend        = palmz71_panel_suspend,
-       .resume         = palmz71_panel_resume,
        .driver         = {
                .name   = "lcd_palmz71",
        },
index 6429f33..1abba07 100644 (file)
@@ -337,7 +337,8 @@ static int omapfb_blank(int blank, struct fb_info *fbi)
                if (fbdev->state == OMAPFB_SUSPENDED) {
                        if (fbdev->ctrl->resume)
                                fbdev->ctrl->resume();
-                       fbdev->panel->enable(fbdev->panel);
+                       if (fbdev->panel->enable)
+                               fbdev->panel->enable(fbdev->panel);
                        fbdev->state = OMAPFB_ACTIVE;
                        if (fbdev->ctrl->get_update_mode() ==
                                        OMAPFB_MANUAL_UPDATE)
@@ -346,7 +347,8 @@ static int omapfb_blank(int blank, struct fb_info *fbi)
                break;
        case FB_BLANK_POWERDOWN:
                if (fbdev->state == OMAPFB_ACTIVE) {
-                       fbdev->panel->disable(fbdev->panel);
+                       if (fbdev->panel->disable)
+                               fbdev->panel->disable(fbdev->panel);
                        if (fbdev->ctrl->suspend)
                                fbdev->ctrl->suspend();
                        fbdev->state = OMAPFB_SUSPENDED;
@@ -1030,7 +1032,8 @@ static void omapfb_get_caps(struct omapfb_device *fbdev, int plane,
 {
        memset(caps, 0, sizeof(*caps));
        fbdev->ctrl->get_caps(plane, caps);
-       caps->ctrl |= fbdev->panel->get_caps(fbdev->panel);
+       if (fbdev->panel->get_caps)
+               caps->ctrl |= fbdev->panel->get_caps(fbdev->panel);
 }
 
 /* For lcd testing */
@@ -1549,7 +1552,8 @@ static void omapfb_free_resources(struct omapfb_device *fbdev, int state)
        case 7:
                omapfb_unregister_sysfs(fbdev);
        case 6:
-               fbdev->panel->disable(fbdev->panel);
+               if (fbdev->panel->disable)
+                       fbdev->panel->disable(fbdev->panel);
        case 5:
                omapfb_set_update_mode(fbdev, OMAPFB_UPDATE_DISABLED);
        case 4:
@@ -1557,7 +1561,8 @@ static void omapfb_free_resources(struct omapfb_device *fbdev, int state)
        case 3:
                ctrl_cleanup(fbdev);
        case 2:
-               fbdev->panel->cleanup(fbdev->panel);
+               if (fbdev->panel->cleanup)
+                       fbdev->panel->cleanup(fbdev->panel);
        case 1:
                dev_set_drvdata(fbdev->dev, NULL);
                kfree(fbdev);
@@ -1680,9 +1685,11 @@ static int omapfb_do_probe(struct platform_device *pdev,
                goto cleanup;
        }
 
-       r = fbdev->panel->init(fbdev->panel, fbdev);
-       if (r)
-               goto cleanup;
+       if (fbdev->panel->init) {
+               r = fbdev->panel->init(fbdev->panel, fbdev);
+               if (r)
+                       goto cleanup;
+       }
 
        pr_info("omapfb: configured for panel %s\n", fbdev->panel->name);
 
@@ -1725,9 +1732,11 @@ static int omapfb_do_probe(struct platform_device *pdev,
                                   OMAPFB_MANUAL_UPDATE : OMAPFB_AUTO_UPDATE);
        init_state++;
 
-       r = fbdev->panel->enable(fbdev->panel);
-       if (r)
-               goto cleanup;
+       if (fbdev->panel->enable) {
+               r = fbdev->panel->enable(fbdev->panel);
+               if (r)
+                       goto cleanup;
+       }
        init_state++;
 
        r = omapfb_register_sysfs(fbdev);
index 5872bc4..df02fb4 100644 (file)
@@ -129,7 +129,7 @@ static struct fb_ops pmagbafb_ops = {
 /*
  * Turn the hardware cursor off.
  */
-static void __init pmagbafb_erase_cursor(struct fb_info *info)
+static void pmagbafb_erase_cursor(struct fb_info *info)
 {
        struct pmagbafb_par *par = info->par;
 
index 0822b6f..a7a179a 100644 (file)
@@ -133,7 +133,7 @@ static struct fb_ops pmagbbfb_ops = {
 /*
  * Turn the hardware cursor off.
  */
-static void __init pmagbbfb_erase_cursor(struct fb_info *info)
+static void pmagbbfb_erase_cursor(struct fb_info *info)
 {
        struct pmagbbfb_par *par = info->par;
 
index 82c0a8c..885ee3a 100644 (file)
@@ -439,9 +439,9 @@ static unsigned long lcdc_sys_read_data(void *handle)
 }
 
 static struct sh_mobile_lcdc_sys_bus_ops sh_mobile_lcdc_sys_bus_ops = {
-       lcdc_sys_write_index,
-       lcdc_sys_write_data,
-       lcdc_sys_read_data,
+       .write_index    = lcdc_sys_write_index,
+       .write_data     = lcdc_sys_write_data,
+       .read_data      = lcdc_sys_read_data,
 };
 
 static int sh_mobile_lcdc_sginit(struct fb_info *info,
@@ -2782,8 +2782,10 @@ static int sh_mobile_lcdc_probe(struct platform_device *pdev)
                priv->forced_fourcc = pdata->ch[0].fourcc;
 
        priv->base = ioremap_nocache(res->start, resource_size(res));
-       if (!priv->base)
+       if (!priv->base) {
+               error = -ENOMEM;
                goto err1;
+       }
 
        error = sh_mobile_lcdc_setup_clocks(priv, pdata->clock_source);
        if (error) {
index 61f799a..a3c44ec 100644 (file)
@@ -180,10 +180,12 @@ static int simplefb_parse_pd(struct platform_device *pdev,
 struct simplefb_par {
        u32 palette[PSEUDO_PALETTE_SIZE];
 #if defined CONFIG_OF && defined CONFIG_COMMON_CLK
+       bool clks_enabled;
        unsigned int clk_count;
        struct clk **clks;
 #endif
 #if defined CONFIG_OF && defined CONFIG_REGULATOR
+       bool regulators_enabled;
        u32 regulator_count;
        struct regulator **regulators;
 #endif
@@ -208,12 +210,12 @@ struct simplefb_par {
  * the fb probe will not help us much either. So just complain and carry on,
  * and hope that the user actually gets a working fb at the end of things.
  */
-static int simplefb_clocks_init(struct simplefb_par *par,
-                               struct platform_device *pdev)
+static int simplefb_clocks_get(struct simplefb_par *par,
+                              struct platform_device *pdev)
 {
        struct device_node *np = pdev->dev.of_node;
        struct clk *clock;
-       int i, ret;
+       int i;
 
        if (dev_get_platdata(&pdev->dev) || !np)
                return 0;
@@ -244,6 +246,14 @@ static int simplefb_clocks_init(struct simplefb_par *par,
                par->clks[i] = clock;
        }
 
+       return 0;
+}
+
+static void simplefb_clocks_enable(struct simplefb_par *par,
+                                  struct platform_device *pdev)
+{
+       int i, ret;
+
        for (i = 0; i < par->clk_count; i++) {
                if (par->clks[i]) {
                        ret = clk_prepare_enable(par->clks[i]);
@@ -256,8 +266,7 @@ static int simplefb_clocks_init(struct simplefb_par *par,
                        }
                }
        }
-
-       return 0;
+       par->clks_enabled = true;
 }
 
 static void simplefb_clocks_destroy(struct simplefb_par *par)
@@ -269,7 +278,8 @@ static void simplefb_clocks_destroy(struct simplefb_par *par)
 
        for (i = 0; i < par->clk_count; i++) {
                if (par->clks[i]) {
-                       clk_disable_unprepare(par->clks[i]);
+                       if (par->clks_enabled)
+                               clk_disable_unprepare(par->clks[i]);
                        clk_put(par->clks[i]);
                }
        }
@@ -277,8 +287,10 @@ static void simplefb_clocks_destroy(struct simplefb_par *par)
        kfree(par->clks);
 }
 #else
-static int simplefb_clocks_init(struct simplefb_par *par,
+static int simplefb_clocks_get(struct simplefb_par *par,
        struct platform_device *pdev) { return 0; }
+static void simplefb_clocks_enable(struct simplefb_par *par,
+       struct platform_device *pdev) { }
 static void simplefb_clocks_destroy(struct simplefb_par *par) { }
 #endif
 
@@ -305,14 +317,14 @@ static void simplefb_clocks_destroy(struct simplefb_par *par) { }
  * the fb probe will not help us much either. So just complain and carry on,
  * and hope that the user actually gets a working fb at the end of things.
  */
-static int simplefb_regulators_init(struct simplefb_par *par,
-       struct platform_device *pdev)
+static int simplefb_regulators_get(struct simplefb_par *par,
+                                  struct platform_device *pdev)
 {
        struct device_node *np = pdev->dev.of_node;
        struct property *prop;
        struct regulator *regulator;
        const char *p;
-       int count = 0, i = 0, ret;
+       int count = 0, i = 0;
 
        if (dev_get_platdata(&pdev->dev) || !np)
                return 0;
@@ -354,6 +366,14 @@ static int simplefb_regulators_init(struct simplefb_par *par,
        }
        par->regulator_count = i;
 
+       return 0;
+}
+
+static void simplefb_regulators_enable(struct simplefb_par *par,
+                                      struct platform_device *pdev)
+{
+       int i, ret;
+
        /* Enable all the regulators */
        for (i = 0; i < par->regulator_count; i++) {
                ret = regulator_enable(par->regulators[i]);
@@ -365,15 +385,14 @@ static int simplefb_regulators_init(struct simplefb_par *par,
                        par->regulators[i] = NULL;
                }
        }
-
-       return 0;
+       par->regulators_enabled = true;
 }
 
 static void simplefb_regulators_destroy(struct simplefb_par *par)
 {
        int i;
 
-       if (!par->regulators)
+       if (!par->regulators || !par->regulators_enabled)
                return;
 
        for (i = 0; i < par->regulator_count; i++)
@@ -381,8 +400,10 @@ static void simplefb_regulators_destroy(struct simplefb_par *par)
                        regulator_disable(par->regulators[i]);
 }
 #else
-static int simplefb_regulators_init(struct simplefb_par *par,
+static int simplefb_regulators_get(struct simplefb_par *par,
        struct platform_device *pdev) { return 0; }
+static void simplefb_regulators_enable(struct simplefb_par *par,
+       struct platform_device *pdev) { }
 static void simplefb_regulators_destroy(struct simplefb_par *par) { }
 #endif
 
@@ -453,14 +474,17 @@ static int simplefb_probe(struct platform_device *pdev)
        }
        info->pseudo_palette = par->palette;
 
-       ret = simplefb_clocks_init(par, pdev);
+       ret = simplefb_clocks_get(par, pdev);
        if (ret < 0)
                goto error_unmap;
 
-       ret = simplefb_regulators_init(par, pdev);
+       ret = simplefb_regulators_get(par, pdev);
        if (ret < 0)
                goto error_clocks;
 
+       simplefb_clocks_enable(par, pdev);
+       simplefb_regulators_enable(par, pdev);
+
        dev_info(&pdev->dev, "framebuffer at 0x%lx, 0x%x bytes, mapped to 0x%p\n",
                             info->fix.smem_start, info->fix.smem_len,
                             info->screen_base);
index 2925d5c..bd017b5 100644 (file)
@@ -9,6 +9,7 @@
 #include <linux/backlight.h>
 #include <linux/delay.h>
 #include <linux/fb.h>
+#include <linux/gpio/consumer.h>
 #include <linux/i2c.h>
 #include <linux/kernel.h>
 #include <linux/module.h>
@@ -16,6 +17,7 @@
 #include <linux/of_gpio.h>
 #include <linux/pwm.h>
 #include <linux/uaccess.h>
+#include <linux/regulator/consumer.h>
 
 #define SSD1307FB_DATA                 0x40
 #define SSD1307FB_COMMAND              0x80
@@ -73,7 +75,8 @@ struct ssd1307fb_par {
        u32 prechargep2;
        struct pwm_device *pwm;
        u32 pwm_period;
-       int reset;
+       struct gpio_desc *reset;
+       struct regulator *vbat_reg;
        u32 seg_remap;
        u32 vcomh;
        u32 width;
@@ -439,6 +442,9 @@ static int ssd1307fb_init(struct ssd1307fb_par *par)
        if (ret < 0)
                return ret;
 
+       /* Clear the screen */
+       ssd1307fb_update_display(par);
+
        /* Turn on the display */
        ret = ssd1307fb_write_cmd(par->client, SSD1307FB_DISPLAY_ON);
        if (ret < 0)
@@ -561,10 +567,20 @@ static int ssd1307fb_probe(struct i2c_client *client,
 
        par->device_info = of_device_get_match_data(&client->dev);
 
-       par->reset = of_get_named_gpio(client->dev.of_node,
-                                        "reset-gpios", 0);
-       if (!gpio_is_valid(par->reset)) {
-               ret = -EINVAL;
+       par->reset = devm_gpiod_get_optional(&client->dev, "reset",
+                                            GPIOD_OUT_LOW);
+       if (IS_ERR(par->reset)) {
+               dev_err(&client->dev, "failed to get reset gpio: %ld\n",
+                       PTR_ERR(par->reset));
+               ret = PTR_ERR(par->reset);
+               goto fb_alloc_error;
+       }
+
+       par->vbat_reg = devm_regulator_get_optional(&client->dev, "vbat");
+       if (IS_ERR(par->vbat_reg)) {
+               dev_err(&client->dev, "failed to get VBAT regulator: %ld\n",
+                       PTR_ERR(par->vbat_reg));
+               ret = PTR_ERR(par->vbat_reg);
                goto fb_alloc_error;
        }
 
@@ -642,27 +658,25 @@ static int ssd1307fb_probe(struct i2c_client *client,
 
        fb_deferred_io_init(info);
 
-       ret = devm_gpio_request_one(&client->dev, par->reset,
-                                   GPIOF_OUT_INIT_HIGH,
-                                   "oled-reset");
+       i2c_set_clientdata(client, info);
+
+       if (par->reset) {
+               /* Reset the screen */
+               gpiod_set_value(par->reset, 0);
+               udelay(4);
+               gpiod_set_value(par->reset, 1);
+               udelay(4);
+       }
+
+       ret = regulator_enable(par->vbat_reg);
        if (ret) {
-               dev_err(&client->dev,
-                       "failed to request gpio %d: %d\n",
-                       par->reset, ret);
+               dev_err(&client->dev, "failed to enable VBAT: %d\n", ret);
                goto reset_oled_error;
        }
 
-       i2c_set_clientdata(client, info);
-
-       /* Reset the screen */
-       gpio_set_value(par->reset, 0);
-       udelay(4);
-       gpio_set_value(par->reset, 1);
-       udelay(4);
-
        ret = ssd1307fb_init(par);
        if (ret)
-               goto reset_oled_error;
+               goto regulator_enable_error;
 
        ret = register_framebuffer(info);
        if (ret) {
@@ -695,6 +709,8 @@ panel_init_error:
                pwm_disable(par->pwm);
                pwm_put(par->pwm);
        };
+regulator_enable_error:
+       regulator_disable(par->vbat_reg);
 reset_oled_error:
        fb_deferred_io_cleanup(info);
 fb_alloc_error:
index accfef7..6ded5c1 100644 (file)
@@ -1294,6 +1294,10 @@ static int __init stifb_init_fb(struct sti_struct *sti, int bpp_pref)
        strcpy(fix->id, "stifb");
        info->fbops = &stifb_ops;
        info->screen_base = ioremap_nocache(REGION_BASE(fb,1), fix->smem_len);
+       if (!info->screen_base) {
+               printk(KERN_ERR "stifb: failed to map memory\n");
+               goto out_err0;
+       }
        info->screen_size = fix->smem_len;
        info->flags = FBINFO_DEFAULT | FBINFO_HWACCEL_COPYAREA;
        info->pseudo_palette = &fb->pseudo_palette;
index e925619..253ffe9 100644 (file)
@@ -182,7 +182,7 @@ static ssize_t contrast_store(struct device *dev,
        return count;
 }
 
-static DEVICE_ATTR(contrast, 0644, contrast_show, contrast_store);
+static DEVICE_ATTR_RW(contrast);
 
 static inline u_int chan_to_field(u_int chan, struct fb_bitfield *bf)
 {
index a1e8277..c46eab5 100644 (file)
@@ -73,7 +73,7 @@ struct diu_ad {
        /* Word 0(32-bit) in DDR memory */
 /*     __u16 comp; */
 /*     __u16 pixel_s:2; */
-/*     __u16 pallete:1; */
+/*     __u16 palette:1; */
 /*     __u16 red_c:2; */
 /*     __u16 green_c:2; */
 /*     __u16 blue_c:2; */
@@ -142,7 +142,7 @@ struct diu_ad {
 struct diu {
        __be32 desc[3];
        __be32 gamma;
-       __be32 pallete;
+       __be32 palette;
        __be32 cursor;
        __be32 curs_pos;
        __be32 diu_mode;
index 18e9083..a5c0a71 100644 (file)
 #define LSCR1_GRAY2(x)            (((x) & 0xf) << 4)
 #define LSCR1_GRAY1(x)            (((x) & 0xf))
 
-#define DMACR_BURST    (1 << 31)
-#define DMACR_HM(x)    (((x) & 0xf) << 16)
-#define DMACR_TM(x)    ((x) & 0xf)
-
 struct imx_fb_videomode {
        struct fb_videomode mode;
        u32 pcr;