mfd: asic3: Fix a plethora of Checkpatch errors and warnings

ERROR: Macros with complex values should be enclosed in parentheses
+#define INIT_CDEX(_name, _rate)        \
+       [ASIC3_CLOCK_##_name] = {               \
+               .cdex = CLOCK_CDEX_##_name,     \
+               .rate = _rate,                  \
+       }

WARNING: line over 80 characters
+                                                           ASIC3_GPIO_INT_STATUS);

WARNING: void function return statements are not generally useful
+       return;
+}

WARNING: msleep < 20ms can sleep for up to 20ms; see Documentation/timers/timers-howto.txt
+       msleep(1);

WARNING: msleep < 20ms can sleep for up to 20ms; see Documentation/timers/timers-howto.txt
+       msleep(1);

WARNING: msleep < 20ms can sleep for up to 20ms; see Documentation/timers/timers-howto.txt
+       msleep(1);

WARNING: msleep < 20ms can sleep for up to 20ms; see Documentation/timers/timers-howto.txt
+       msleep(1);

WARNING: msleep < 20ms can sleep for up to 20ms; see Documentation/timers/timers-howto.txt
+       msleep(1);

WARNING: msleep < 20ms can sleep for up to 20ms; see Documentation/timers/timers-howto.txt
+       msleep(1);

WARNING: msleep < 20ms can sleep for up to 20ms; see Documentation/timers/timers-howto.txt
+               msleep(1);
WARNING: line over 80 characters
+               asic->tmio_cnf = ioremap((ASIC3_SD_CONFIG_BASE >> asic->bus_shift) +

WARNING: Prefer [subsystem eg: netdev]_err([subsystem]dev, ... then dev_err(dev, ... then p
r_err(...  to printk(KERN_ERR ...
+               printk(KERN_ERR "kzalloc failed\n");

WARNING: Possible unnecessary 'out of memory' message
+       if (asic == NULL) {
+               printk(KERN_ERR "kzalloc failed\n");

WARNING: Missing a blank line after declarations
+       int retval = 0;
+       retval = platform_driver_probe(&asic3_device_driver, asic3_probe);

total: 1 errors, 13 warnings, 1081 lines checked

Signed-off-by: Lee Jones <lee.jones@linaro.org>

diff --git a/drivers/mfd/asic3.c b/drivers/mfd/asic3.c
index 73812ee..4dca6bc 100644 (file)
--- a/drivers/mfd/asic3.c
+++ b/drivers/mfd/asic3.c
@@ -167,7 +167,6 @@ static void asic3_irq_demux(struct irq_desc *desc)
 
                                base = ASIC3_GPIO_A_BASE
                                       + bank * ASIC3_GPIO_BASE_INCR;
-
                                spin_lock_irqsave(&asic->lock, flags);
                                istat = asic3_read_register(asic,
                                                            base +
@@ -537,8 +536,6 @@ static void asic3_gpio_set(struct gpio_chip *chip,
        asic3_write_register(asic, gpio_base + ASIC3_GPIO_OUT, out_reg);
 
        spin_unlock_irqrestore(&asic->lock, flags);
-
-       return;
 }
 
 static int asic3_gpio_to_irq(struct gpio_chip *chip, unsigned offset)
@@ -666,18 +663,18 @@ static int ds1wm_enable(struct platform_device *pdev)
        asic3_clk_enable(asic, &asic->clocks[ASIC3_CLOCK_EX0]);
        asic3_clk_enable(asic, &asic->clocks[ASIC3_CLOCK_EX1]);
        asic3_clk_enable(asic, &asic->clocks[ASIC3_CLOCK_OWM]);
-       msleep(1);
+       usleep_range(1000, 5000);
 
        /* Reset and enable DS1WM */
        asic3_set_register(asic, ASIC3_OFFSET(EXTCF, RESET),
                           ASIC3_EXTCF_OWM_RESET, 1);
-       msleep(1);
+       usleep_range(1000, 5000);
        asic3_set_register(asic, ASIC3_OFFSET(EXTCF, RESET),
                           ASIC3_EXTCF_OWM_RESET, 0);
-       msleep(1);
+       usleep_range(1000, 5000);
        asic3_set_register(asic, ASIC3_OFFSET(EXTCF, SELECT),
                           ASIC3_EXTCF_OWM_EN, 1);
-       msleep(1);
+       usleep_range(1000, 5000);
 
        return 0;
 }
@@ -758,7 +755,7 @@ static int asic3_mmc_enable(struct platform_device *pdev)
         * when HCLK is stopped.
         */
        asic3_clk_enable(asic, &asic->clocks[ASIC3_CLOCK_EX1]);
-       msleep(1);
+       usleep_range(1000, 5000);
 
        /* HCLK 24.576 MHz, BCLK 12.288 MHz: */
        asic3_write_register(asic, ASIC3_OFFSET(CLOCK, SEL),
@@ -766,7 +763,7 @@ static int asic3_mmc_enable(struct platform_device *pdev)
 
        asic3_clk_enable(asic, &asic->clocks[ASIC3_CLOCK_SD_HOST]);
        asic3_clk_enable(asic, &asic->clocks[ASIC3_CLOCK_SD_BUS]);
-       msleep(1);
+       usleep_range(1000, 5000);
 
        asic3_set_register(asic, ASIC3_OFFSET(EXTCF, SELECT),
                           ASIC3_EXTCF_SD_MEM_ENABLE, 1);
@@ -842,7 +839,7 @@ static int asic3_leds_suspend(struct platform_device *pdev)
        struct asic3 *asic = dev_get_drvdata(pdev->dev.parent);
 
        while (asic3_gpio_get(&asic->gpio, ASIC3_GPIO(C, cell->id)) != 0)
-               msleep(1);
+               usleep_range(1000, 5000);
 
        asic3_clk_disable(asic, &asic->clocks[clock_ledn[cell->id]]);
 
@@ -901,8 +898,8 @@ static int __init asic3_mfd_probe(struct platform_device *pdev,
 
        /* MMC */
        if (mem_sdio) {
-               asic->tmio_cnf = ioremap((ASIC3_SD_CONFIG_BASE >> asic->bus_shift) +
-                                mem_sdio->start,
+               asic->tmio_cnf = ioremap((ASIC3_SD_CONFIG_BASE >>
+                                         asic->bus_shift) + mem_sdio->start,
                                 ASIC3_SD_CONFIG_SIZE >> asic->bus_shift);
                if (!asic->tmio_cnf) {
                        ret = -ENOMEM;
@@ -963,10 +960,8 @@ static int __init asic3_probe(struct platform_device *pdev)
 
        asic = devm_kzalloc(&pdev->dev,
                            sizeof(struct asic3), GFP_KERNEL);
-       if (asic == NULL) {
-               printk(KERN_ERR "kzalloc failed\n");
+       if (!asic)
                return -ENOMEM;
-       }
 
        spin_lock_init(&asic->lock);
        platform_set_drvdata(pdev, asic);
@@ -1075,7 +1070,9 @@ static struct platform_driver asic3_device_driver = {
 static int __init asic3_init(void)
 {
        int retval = 0;
+
        retval = platform_driver_probe(&asic3_device_driver, asic3_probe);
+
        return retval;
 }