video: fbdev: au1100fb: Drop unnecessary NULL ptr check

clk_disable() already checks the clk ptr using IS_ERR_OR_NULL(clk) and
clk_enable() checks the clk ptr using !clk, so there is no need to check clk
ptr again before calling them.

Signed-off-by: Yihao Han <hanyihao@vivo.com>
Signed-off-by: Helge Deller <deller@gmx.de>

diff --git a/drivers/video/fbdev/au1100fb.c b/drivers/video/fbdev/au1100fb.c
index 52f731a..519313b 100644 (file)
--- a/drivers/video/fbdev/au1100fb.c
+++ b/drivers/video/fbdev/au1100fb.c
@@ -560,8 +560,7 @@ int au1100fb_drv_suspend(struct platform_device *dev, pm_message_t state)
        /* Blank the LCD */
        au1100fb_fb_blank(VESA_POWERDOWN, &fbdev->info);
 
-       if (fbdev->lcdclk)
-               clk_disable(fbdev->lcdclk);
+       clk_disable(fbdev->lcdclk);
 
        memcpy(&fbregs, fbdev->regs, sizeof(struct au1100fb_regs));
 
@@ -577,8 +576,7 @@ int au1100fb_drv_resume(struct platform_device *dev)
 
        memcpy(fbdev->regs, &fbregs, sizeof(struct au1100fb_regs));
 
-       if (fbdev->lcdclk)
-               clk_enable(fbdev->lcdclk);
+       clk_enable(fbdev->lcdclk);
 
        /* Unblank the LCD */
        au1100fb_fb_blank(VESA_NO_BLANKING, &fbdev->info);