[PATCH 12/19] mfd: asic3: Fix a plethora of Checkpatch errors and warnings

From: Lee Jones
Date: Mon Dec 07 2015 - 06:54:20 EST


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@xxxxxxxxxx>
---
drivers/mfd/asic3.c | 27 ++++++++++++---------------
1 file changed, 12 insertions(+), 15 deletions(-)

diff --git a/drivers/mfd/asic3.c b/drivers/mfd/asic3.c
index a726f01..d09f805 100644
--- 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 +
@@ -536,8 +535,6 @@ 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)
@@ -665,18 +662,18 @@ 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;
}
@@ -757,7 +754,7 @@ 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),
@@ -765,7 +762,7 @@ 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);
@@ -841,7 +838,7 @@ 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]]);

@@ -900,8 +897,8 @@ 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;
@@ -962,10 +959,8 @@ 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);
@@ -1074,7 +1069,9 @@ 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;
}

--
1.9.1

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