[PATCH 12/16] gpio: omap: Fix checkpatch warnings

From: Thierry Reding
Date: Fri Sep 01 2017 - 14:59:10 EST

Next message: Thierry Reding: "[PATCH 14/16] gpio: Add support for banked GPIO controllers"
Previous message: Kees Cook: "Re: tip -ENOBOOT - bisected to locking/refcounts, x86/asm: Implement fast refcount overflow protection"
In reply to: Thierry Reding: "[PATCH 15/16] gpio: tegra: Use banked GPIO infrastructure"
Next in thread: Thierry Reding: "[PATCH 14/16] gpio: Add support for banked GPIO controllers"
Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]

From: Thierry Reding <treding@xxxxxxxxxx>

Use unsigned int rather than unsigned, wrap lines longer than 80
characters and other minor coding style cleanups.

Signed-off-by: Thierry Reding <treding@xxxxxxxxxx>
---
drivers/gpio/gpio-omap.c | 113 ++++++++++++++++++++++++++---------------------
1 file changed, 63 insertions(+), 50 deletions(-)

diff --git a/drivers/gpio/gpio-omap.c b/drivers/gpio/gpio-omap.c
index ce27d6a586bf..7c600cec3e44 100644
--- a/drivers/gpio/gpio-omap.c
+++ b/drivers/gpio/gpio-omap.c
@@ -76,7 +76,8 @@ struct gpio_bank {
int power_mode;
bool workaround_enabled;

- void (*set_dataout)(struct gpio_bank *bank, unsigned gpio, int enable);
+ void (*set_dataout)(struct gpio_bank *bank, unsigned int gpio,
+ int enable);
int (*get_context_loss_count)(struct device *dev);

struct omap_gpio_reg_offs *regs;
@@ -92,6 +93,7 @@ static void omap_gpio_unmask_irq(struct irq_data *d);
static inline struct gpio_bank *omap_irq_data_get_bank(struct irq_data *d)
{
struct gpio_chip *chip = irq_data_get_irq_chip_data(d);
+
return gpiochip_get_data(chip);
}

@@ -113,8 +115,8 @@ static void omap_set_gpio_direction(struct gpio_bank *bank, int gpio,

/* set data out value using dedicate set/clear register */
-static void omap_set_gpio_dataout_reg(struct gpio_bank *bank, unsigned offset,
- int enable)
+static void omap_set_gpio_dataout_reg(struct gpio_bank *bank,
+ unsigned int offset, int enable)
{
void __iomem *reg = bank->base;
u32 l = BIT(offset);
@@ -131,8 +133,8 @@ static void omap_set_gpio_dataout_reg(struct gpio_bank *bank, unsigned offset,
}

/* set data out value using mask register */
-static void omap_set_gpio_dataout_mask(struct gpio_bank *bank, unsigned offset,
- int enable)
+static void omap_set_gpio_dataout_mask(struct gpio_bank *bank,
+ unsigned int offset, int enable)
{
void __iomem *reg = bank->base + bank->regs->dataout;
u32 gpio_bit = BIT(offset);
@@ -161,7 +163,8 @@ static int omap_get_gpio_dataout(struct gpio_bank *bank, int offset)
return (readl_relaxed(reg) & (BIT(offset))) != 0;
}

-static inline void omap_gpio_rmw(void __iomem *base, u32 reg, u32 mask, bool set)
+static inline void omap_gpio_rmw(void __iomem *base, u32 reg, u32 mask,
+ bool set)
{
int l = readl_relaxed(base + reg);

@@ -211,8 +214,8 @@ static inline void omap_gpio_dbck_disable(struct gpio_bank *bank)
*
* Return: 0 on success, negative error otherwise.
*/
-static int omap2_set_gpio_debounce(struct gpio_bank *bank, unsigned offset,
- unsigned debounce)
+static int omap2_set_gpio_debounce(struct gpio_bank *bank, unsigned int offset,
+ unsigned int debounce)
{
void __iomem *reg;
u32 val;
@@ -272,7 +275,8 @@ static int omap2_set_gpio_debounce(struct gpio_bank *bank, unsigned offset,
* time too. The debounce clock will also be disabled when calling this function
* if this is the only gpio in the bank using debounce.
*/
-static void omap_clear_gpio_debounce(struct gpio_bank *bank, unsigned offset)
+static void omap_clear_gpio_debounce(struct gpio_bank *bank,
+ unsigned int offset)
{
u32 gpio_bit = BIT(offset);

@@ -284,8 +288,8 @@ static void omap_clear_gpio_debounce(struct gpio_bank *bank, unsigned offset)

bank->dbck_enable_mask &= ~gpio_bit;
bank->context.debounce_en &= ~gpio_bit;
- writel_relaxed(bank->context.debounce_en,
- bank->base + bank->regs->debounce_en);
+ writel_relaxed(bank->context.debounce_en,
+ bank->base + bank->regs->debounce_en);

if (!bank->dbck_enable_mask) {
bank->context.debounce = 0;
@@ -297,7 +301,7 @@ static void omap_clear_gpio_debounce(struct gpio_bank *bank, unsigned offset)
}

static inline void omap_set_gpio_trigger(struct gpio_bank *bank, int gpio,
- unsigned trigger)
+ unsigned int trigger)
{
void __iomem *base = bank->base;
u32 gpio_bit = BIT(gpio);
@@ -321,7 +325,8 @@ static inline void omap_set_gpio_trigger(struct gpio_bank *bank, int gpio,
readl_relaxed(bank->base + bank->regs->fallingdetect);

if (likely(!(bank->non_wakeup_gpios & gpio_bit))) {
- omap_gpio_rmw(base, bank->regs->wkup_en, gpio_bit, trigger != 0);
+ omap_gpio_rmw(base, bank->regs->wkup_en, gpio_bit,
+ trigger != 0);
bank->context.wake_en =
readl_relaxed(bank->base + bank->regs->wkup_en);
}
@@ -376,11 +381,13 @@ static void omap_toggle_gpio_edge_triggering(struct gpio_bank *bank, int gpio)
writel_relaxed(l, reg);
}
#else
-static void omap_toggle_gpio_edge_triggering(struct gpio_bank *bank, int gpio) {}
+static void omap_toggle_gpio_edge_triggering(struct gpio_bank *bank, int gpio)
+{
+}
#endif

static int omap_set_gpio_triggering(struct gpio_bank *bank, int gpio,
- unsigned trigger)
+ unsigned int trigger)
{
void __iomem *reg = bank->base;
void __iomem *base = bank->base;
@@ -425,7 +432,7 @@ static int omap_set_gpio_triggering(struct gpio_bank *bank, int gpio,
return 0;
}

-static void omap_enable_gpio_module(struct gpio_bank *bank, unsigned offset)
+static void omap_enable_gpio_module(struct gpio_bank *bank, unsigned int offset)
{
if (bank->regs->pinctrl) {
void __iomem *reg = bank->base + bank->regs->pinctrl;
@@ -446,7 +453,8 @@ static void omap_enable_gpio_module(struct gpio_bank *bank, unsigned offset)
}
}

-static void omap_disable_gpio_module(struct gpio_bank *bank, unsigned offset)
+static void omap_disable_gpio_module(struct gpio_bank *bank,
+ unsigned int offset)
{
void __iomem *base = bank->base;

@@ -471,14 +479,14 @@ static void omap_disable_gpio_module(struct gpio_bank *bank, unsigned offset)
}
}

-static int omap_gpio_is_input(struct gpio_bank *bank, unsigned offset)
+static int omap_gpio_is_input(struct gpio_bank *bank, unsigned int offset)
{
void __iomem *reg = bank->base + bank->regs->direction;

return readl_relaxed(reg) & BIT(offset);
}

-static void omap_gpio_init_irq(struct gpio_bank *bank, unsigned offset)
+static void omap_gpio_init_irq(struct gpio_bank *bank, unsigned int offset)
{
if (!LINE_USED(bank->mod_usage, offset)) {
omap_enable_gpio_module(bank, offset);
@@ -487,12 +495,12 @@ static void omap_gpio_init_irq(struct gpio_bank *bank, unsigned offset)
bank->irq_usage |= BIT(offset);
}

-static int omap_gpio_irq_type(struct irq_data *d, unsigned type)
+static int omap_gpio_irq_type(struct irq_data *d, unsigned int type)
{
struct gpio_bank *bank = omap_irq_data_get_bank(d);
int retval;
unsigned long flags;
- unsigned offset = d->hwirq;
+ unsigned int offset = d->hwirq;

if (type & ~IRQ_TYPE_SENSE_MASK)
return -EINVAL;
@@ -544,7 +552,7 @@ static void omap_clear_gpio_irqbank(struct gpio_bank *bank, int gpio_mask)
}

static inline void omap_clear_gpio_irqstatus(struct gpio_bank *bank,
- unsigned offset)
+ unsigned int offset)
{
omap_clear_gpio_irqbank(bank, BIT(offset));
}
@@ -608,7 +616,7 @@ static void omap_disable_gpio_irqbank(struct gpio_bank *bank, int gpio_mask)
}

static inline void omap_set_gpio_irqenable(struct gpio_bank *bank,
- unsigned offset, int enable)
+ unsigned int offset, int enable)
{
if (enable)
omap_enable_gpio_irqbank(bank, BIT(offset));
@@ -624,7 +632,7 @@ static int omap_gpio_wake_enable(struct irq_data *d, unsigned int enable)
return irq_set_irq_wake(bank->irq, enable);
}

-static int omap_gpio_request(struct gpio_chip *chip, unsigned offset)
+static int omap_gpio_request(struct gpio_chip *chip, unsigned int offset)
{
struct gpio_bank *bank = gpiochip_get_data(chip);
unsigned long flags;
@@ -644,7 +652,7 @@ static int omap_gpio_request(struct gpio_chip *chip, unsigned offset)
return 0;
}

-static void omap_gpio_free(struct gpio_chip *chip, unsigned offset)
+static void omap_gpio_free(struct gpio_chip *chip, unsigned int offset)
{
struct gpio_bank *bank = gpiochip_get_data(chip);
unsigned long flags;
@@ -702,9 +710,11 @@ static irqreturn_t omap_gpio_irq_handler(int irq, void *gpiobank)
if (bank->level_mask)
level_mask = bank->level_mask & enabled;

- /* clear edge sensitive interrupts before handler(s) are
- called so that we don't miss any interrupt occurred while
- executing them */
+ /*
+ * clear edge sensitive interrupts before handler(s) are
+ * called so that we don't miss any interrupt occurred while
+ * executing them
+ */
omap_disable_gpio_irqbank(bank, isr_saved & ~level_mask);
omap_clear_gpio_irqbank(bank, isr_saved & ~level_mask);
omap_enable_gpio_irqbank(bank, isr_saved & ~level_mask);
@@ -715,6 +725,8 @@ static irqreturn_t omap_gpio_irq_handler(int irq, void *gpiobank)
break;

while (isr) {
+ unsigned int irq;
+
bit = __ffs(isr);
isr &= ~(BIT(bit));

@@ -733,8 +745,8 @@ static irqreturn_t omap_gpio_irq_handler(int irq, void *gpiobank)

raw_spin_lock_irqsave(&bank->wa_lock, wa_lock_flags);

- generic_handle_irq(irq_find_mapping(bank->chip.irq.domain,
- bit));
+ irq = irq_find_mapping(bank->chip.irq.domain, bit);
+ generic_handle_irq(irq);

raw_spin_unlock_irqrestore(&bank->wa_lock,
wa_lock_flags);
@@ -749,7 +761,7 @@ static unsigned int omap_gpio_irq_startup(struct irq_data *d)
{
struct gpio_bank *bank = omap_irq_data_get_bank(d);
unsigned long flags;
- unsigned offset = d->hwirq;
+ unsigned int offset = d->hwirq;

raw_spin_lock_irqsave(&bank->lock, flags);

@@ -773,7 +785,7 @@ static void omap_gpio_irq_shutdown(struct irq_data *d)
{
struct gpio_bank *bank = omap_irq_data_get_bank(d);
unsigned long flags;
- unsigned offset = d->hwirq;
+ unsigned int offset = d->hwirq;

raw_spin_lock_irqsave(&bank->lock, flags);
bank->irq_usage &= ~(BIT(offset));
@@ -809,7 +821,7 @@ static void gpio_irq_bus_sync_unlock(struct irq_data *data)
static void omap_gpio_ack_irq(struct irq_data *d)
{
struct gpio_bank *bank = omap_irq_data_get_bank(d);
- unsigned offset = d->hwirq;
+ unsigned int offset = d->hwirq;

omap_clear_gpio_irqstatus(bank, offset);
}
@@ -817,7 +829,7 @@ static void omap_gpio_ack_irq(struct irq_data *d)
static void omap_gpio_mask_irq(struct irq_data *d)
{
struct gpio_bank *bank = omap_irq_data_get_bank(d);
- unsigned offset = d->hwirq;
+ unsigned int offset = d->hwirq;
unsigned long flags;

raw_spin_lock_irqsave(&bank->lock, flags);
@@ -829,7 +841,7 @@ static void omap_gpio_mask_irq(struct irq_data *d)
static void omap_gpio_unmask_irq(struct irq_data *d)
{
struct gpio_bank *bank = omap_irq_data_get_bank(d);
- unsigned offset = d->hwirq;
+ unsigned int offset = d->hwirq;
u32 trigger = irqd_get_trigger_type(d);
unsigned long flags;

@@ -837,8 +849,10 @@ static void omap_gpio_unmask_irq(struct irq_data *d)
if (trigger)
omap_set_gpio_triggering(bank, offset, trigger);

- /* For level-triggered GPIOs, the clearing must be done after
- * the HW source is cleared, thus after the handler has run */
+ /*
+ * For level-triggered GPIOs, the clearing must be done after
+ * the HW source is cleared, thus after the handler has run
+ */
if (bank->level_mask & BIT(offset)) {
omap_set_gpio_irqenable(bank, offset, 0);
omap_clear_gpio_irqstatus(bank, offset);
@@ -912,7 +926,7 @@ static inline void omap_mpuio_init(struct gpio_bank *bank)

/*---------------------------------------------------------------------*/

-static int omap_gpio_get_direction(struct gpio_chip *chip, unsigned offset)
+static int omap_gpio_get_direction(struct gpio_chip *chip, unsigned int offset)
{
struct gpio_bank *bank;
unsigned long flags;
@@ -927,7 +941,7 @@ static int omap_gpio_get_direction(struct gpio_chip *chip, unsigned offset)
return dir;
}

-static int omap_gpio_input(struct gpio_chip *chip, unsigned offset)
+static int omap_gpio_input(struct gpio_chip *chip, unsigned int offset)
{
struct gpio_bank *bank;
unsigned long flags;
@@ -939,7 +953,7 @@ static int omap_gpio_input(struct gpio_chip *chip, unsigned offset)
return 0;
}

-static int omap_gpio_get(struct gpio_chip *chip, unsigned offset)
+static int omap_gpio_get(struct gpio_chip *chip, unsigned int offset)
{
struct gpio_bank *bank;

@@ -951,7 +965,8 @@ static int omap_gpio_get(struct gpio_chip *chip, unsigned offset)
return omap_get_gpio_dataout(bank, offset);
}

-static int omap_gpio_output(struct gpio_chip *chip, unsigned offset, int value)
+static int omap_gpio_output(struct gpio_chip *chip, unsigned int offset,
+ int value)
{
struct gpio_bank *bank;
unsigned long flags;
@@ -964,8 +979,8 @@ static int omap_gpio_output(struct gpio_chip *chip, unsigned offset, int value)
return 0;
}

-static int omap_gpio_debounce(struct gpio_chip *chip, unsigned offset,
- unsigned debounce)
+static int omap_gpio_debounce(struct gpio_chip *chip, unsigned int offset,
+ unsigned int debounce)
{
struct gpio_bank *bank;
unsigned long flags;
@@ -985,7 +1000,7 @@ static int omap_gpio_debounce(struct gpio_chip *chip, unsigned offset,
return ret;
}

-static int omap_gpio_set_config(struct gpio_chip *chip, unsigned offset,
+static int omap_gpio_set_config(struct gpio_chip *chip, unsigned int offset,
unsigned long config)
{
u32 debounce;
@@ -997,7 +1012,8 @@ static int omap_gpio_set_config(struct gpio_chip *chip, unsigned offset,
return omap_gpio_debounce(chip, offset, debounce);
}

-static void omap_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
+static void omap_gpio_set(struct gpio_chip *chip, unsigned int offset,
+ int value)
{
struct gpio_bank *bank;
unsigned long flags;
@@ -1153,10 +1169,8 @@ static int omap_gpio_probe(struct platform_device *pdev)
return -EINVAL;

bank = devm_kzalloc(dev, sizeof(struct gpio_bank), GFP_KERNEL);
- if (!bank) {
- dev_err(dev, "Memory alloc failed\n");
+ if (!bank)
return -ENOMEM;
- }

irqc = devm_kzalloc(dev, sizeof(*irqc), GFP_KERNEL);
if (!irqc)
@@ -1217,9 +1231,8 @@ static int omap_gpio_probe(struct platform_device *pdev)
/* Static mapping, never released */
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
bank->base = devm_ioremap_resource(dev, res);
- if (IS_ERR(bank->base)) {
+ if (IS_ERR(bank->base))
return PTR_ERR(bank->base);
- }

if (bank->dbck_flag) {
bank->dbck = devm_clk_get(dev, "dbclk");
--
2.13.3

Next message: Thierry Reding: "[PATCH 14/16] gpio: Add support for banked GPIO controllers"
Previous message: Kees Cook: "Re: tip -ENOBOOT - bisected to locking/refcounts, x86/asm: Implement fast refcount overflow protection"
In reply to: Thierry Reding: "[PATCH 15/16] gpio: tegra: Use banked GPIO infrastructure"
Next in thread: Thierry Reding: "[PATCH 14/16] gpio: Add support for banked GPIO controllers"
Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]