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gpio: ep93xx: get rid of bogus __raw* accessors 

I have no idea why this driver is using __raw* accessors for
reading and writing registers, I suspect it is just force of
habit or copy/paste. Change all to readb()/writeb() except
one chain where I used writeb_relaxed() up until the last
writeb().

Cc: Ryan Mallon <rmallon@gmail.com>
Cc: H Hartley Sweeten <hartleys@visionengravers.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Linus Walleij 2013-10-14 10:07:08 +02:00
parent ed05e204af
commit d27e06ac5d
1 changed files with 9 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
drivers/gpio/gpio-ep93xx.c
View File

@ -51,15 +51,15 @@ static void ep93xx_gpio_update_int_params(unsigned port)
{
BUG_ON(port > 2);
__raw_writeb(0, EP93XX_GPIO_REG(int_en_register_offset[port]));
writeb_relaxed(0, EP93XX_GPIO_REG(int_en_register_offset[port]));
__raw_writeb(gpio_int_type2[port],
writeb_relaxed(gpio_int_type2[port],
EP93XX_GPIO_REG(int_type2_register_offset[port]));
__raw_writeb(gpio_int_type1[port],
writeb_relaxed(gpio_int_type1[port],
EP93XX_GPIO_REG(int_type1_register_offset[port]));
__raw_writeb(gpio_int_unmasked[port] & gpio_int_enabled[port],
writeb(gpio_int_unmasked[port] & gpio_int_enabled[port],
EP93XX_GPIO_REG(int_en_register_offset[port]));
}
@ -74,7 +74,7 @@ static void ep93xx_gpio_int_debounce(unsigned int irq, bool enable)
else
gpio_int_debounce[port] &= ~port_mask;
__raw_writeb(gpio_int_debounce[port],
writeb(gpio_int_debounce[port],
EP93XX_GPIO_REG(int_debounce_register_offset[port]));
}
@ -83,7 +83,7 @@ static void ep93xx_gpio_ab_irq_handler(unsigned int irq, struct irq_desc *desc)
unsigned char status;
int i;
status = __raw_readb(EP93XX_GPIO_A_INT_STATUS);
status = readb(EP93XX_GPIO_A_INT_STATUS);
for (i = 0; i < 8; i++) {
if (status & (1 << i)) {
int gpio_irq = gpio_to_irq(EP93XX_GPIO_LINE_A(0)) + i;
@ -91,7 +91,7 @@ static void ep93xx_gpio_ab_irq_handler(unsigned int irq, struct irq_desc *desc)
}
}
status = __raw_readb(EP93XX_GPIO_B_INT_STATUS);
status = readb(EP93XX_GPIO_B_INT_STATUS);
for (i = 0; i < 8; i++) {
if (status & (1 << i)) {
int gpio_irq = gpio_to_irq(EP93XX_GPIO_LINE_B(0)) + i;
@ -124,7 +124,7 @@ static void ep93xx_gpio_irq_ack(struct irq_data *d)
ep93xx_gpio_update_int_params(port);
}
__raw_writeb(port_mask, EP93XX_GPIO_REG(eoi_register_offset[port]));
writeb(port_mask, EP93XX_GPIO_REG(eoi_register_offset[port]));
}
static void ep93xx_gpio_irq_mask_ack(struct irq_data *d)
@ -139,7 +139,7 @@ static void ep93xx_gpio_irq_mask_ack(struct irq_data *d)
gpio_int_unmasked[port] &= ~port_mask;
ep93xx_gpio_update_int_params(port);
__raw_writeb(port_mask, EP93XX_GPIO_REG(eoi_register_offset[port]));
writeb(port_mask, EP93XX_GPIO_REG(eoi_register_offset[port]));
}
static void ep93xx_gpio_irq_mask(struct irq_data *d)