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gpio/omap: remove useless gpio_valid() & check_gpio() checks

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These functions are useless.  They are only called in a few places,
and where they are called, the GPIO has already been converted from an
IRQ or masked, so these functions will never fail.

Signed-off-by: Kevin Hilman <khilman@ti.com>
This commit is contained in:
Kevin Hilman 2011-04-22 08:15:46 -07:00
parent f8b46b5834
commit 7a6f8416e2
1 changed files with 0 additions and 45 deletions
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45
drivers/gpio/gpio-omap.c
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@ -90,40 +90,6 @@ int gpio_bank_count;
#define GPIO_INDEX(bank, gpio) (gpio % bank->width)
#define GPIO_BIT(bank, gpio) (1 << GPIO_INDEX(bank, gpio))
static inline int gpio_valid(int gpio)
{
if (gpio < 0)
return -1;
if (cpu_class_is_omap1() && OMAP_GPIO_IS_MPUIO(gpio)) {
if (gpio >= OMAP_MAX_GPIO_LINES + 16)
return -1;
return 0;
}
if (cpu_is_omap15xx() && gpio < 16)
return 0;
if ((cpu_is_omap16xx()) && gpio < 64)
return 0;
if (cpu_is_omap7xx() && gpio < 192)
return 0;
if (cpu_is_omap2420() && gpio < 128)
return 0;
if (cpu_is_omap2430() && gpio < 160)
return 0;
if ((cpu_is_omap34xx() || cpu_is_omap44xx()) && gpio < 192)
return 0;
return -1;
}
static int check_gpio(int gpio)
{
if (unlikely(gpio_valid(gpio) < 0)) {
printk(KERN_ERR "omap-gpio: invalid GPIO %d\n", gpio);
dump_stack();
return -1;
}
return 0;
}
static void _set_gpio_direction(struct gpio_bank *bank, int gpio, int is_input)
{
void __iomem *reg = bank->base;
@ -172,9 +138,6 @@ static int _get_gpio_datain(struct gpio_bank *bank, int gpio)
{
void __iomem *reg = bank->base + bank->regs->datain;
if (check_gpio(gpio) < 0)
return -EINVAL;
return (__raw_readl(reg) & GPIO_BIT(bank, gpio)) != 0;
}
@ -182,9 +145,6 @@ static int _get_gpio_dataout(struct gpio_bank *bank, int gpio)
{
void __iomem *reg = bank->base + bank->regs->dataout;
if (check_gpio(gpio) < 0)
return -EINVAL;
return (__raw_readl(reg) & GPIO_BIT(bank, gpio)) != 0;
}
@ -453,9 +413,6 @@ static int gpio_irq_type(struct irq_data *d, unsigned type)
else
gpio = d->irq - IH_GPIO_BASE;
if (check_gpio(gpio) < 0)
return -EINVAL;
if (type & ~IRQ_TYPE_SENSE_MASK)
return -EINVAL;
@ -621,8 +578,6 @@ static int gpio_wake_enable(struct irq_data *d, unsigned int enable)
struct gpio_bank *bank;
int retval;
if (check_gpio(gpio) < 0)
return -ENODEV;
bank = irq_data_get_irq_chip_data(d);
retval = _set_gpio_wakeup(bank, GPIO_INDEX(bank, gpio), enable);