| Message ID | 1342359637-15325-1-git-send-email-plagnioj@jcrosoft.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On 07/15/2012 03:40 PM, Jean-Christophe PLAGNIOL-VILLARD : > confire the pin as pio when requested > > Cc: Nicolas Ferre <nicolas.ferre@atmel.com> Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com> > Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> > --- > arch/arm/mach-at91/gpio.c | 14 ++++++++++++++ > 1 file changed, 14 insertions(+) > > diff --git a/arch/arm/mach-at91/gpio.c b/arch/arm/mach-at91/gpio.c > index 325837a..994ed02 100644 > --- a/arch/arm/mach-at91/gpio.c > +++ b/arch/arm/mach-at91/gpio.c > @@ -44,6 +44,7 @@ struct at91_gpio_chip { > > #define to_at91_gpio_chip(c) container_of(c, struct at91_gpio_chip, chip) > > +static int at91_gpiolib_request(struct gpio_chip *chip, unsigned offset); > static void at91_gpiolib_dbg_show(struct seq_file *s, struct gpio_chip *chip); > static void at91_gpiolib_set(struct gpio_chip *chip, unsigned offset, int val); > static int at91_gpiolib_get(struct gpio_chip *chip, unsigned offset); > @@ -57,6 +58,7 @@ static int at91_gpiolib_to_irq(struct gpio_chip *chip, unsigned offset); > { \ > .chip = { \ > .label = name, \ > + .request = at91_gpiolib_request, \ > .direction_input = at91_gpiolib_direction_input, \ > .direction_output = at91_gpiolib_direction_output, \ > .get = at91_gpiolib_get, \ > @@ -861,6 +863,18 @@ void __init at91_gpio_irq_setup(void) > } > > /* gpiolib support */ > + > + > +static int at91_gpiolib_request(struct gpio_chip *chip, unsigned offset) > +{ > + struct at91_gpio_chip *at91_gpio = to_at91_gpio_chip(chip); > + void __iomem *pio = at91_gpio->regbase; > + unsigned mask = 1 << offset; > + > + __raw_writel(mask, pio + PIO_PER); > + return 0; > +} > + > static int at91_gpiolib_direction_input(struct gpio_chip *chip, > unsigned offset) > { >
diff --git a/arch/arm/mach-at91/gpio.c b/arch/arm/mach-at91/gpio.c index 325837a..994ed02 100644 --- a/arch/arm/mach-at91/gpio.c +++ b/arch/arm/mach-at91/gpio.c @@ -44,6 +44,7 @@ struct at91_gpio_chip { #define to_at91_gpio_chip(c) container_of(c, struct at91_gpio_chip, chip) +static int at91_gpiolib_request(struct gpio_chip *chip, unsigned offset); static void at91_gpiolib_dbg_show(struct seq_file *s, struct gpio_chip *chip); static void at91_gpiolib_set(struct gpio_chip *chip, unsigned offset, int val); static int at91_gpiolib_get(struct gpio_chip *chip, unsigned offset); @@ -57,6 +58,7 @@ static int at91_gpiolib_to_irq(struct gpio_chip *chip, unsigned offset); { \ .chip = { \ .label = name, \ + .request = at91_gpiolib_request, \ .direction_input = at91_gpiolib_direction_input, \ .direction_output = at91_gpiolib_direction_output, \ .get = at91_gpiolib_get, \ @@ -861,6 +863,18 @@ void __init at91_gpio_irq_setup(void) } /* gpiolib support */ + + +static int at91_gpiolib_request(struct gpio_chip *chip, unsigned offset) +{ + struct at91_gpio_chip *at91_gpio = to_at91_gpio_chip(chip); + void __iomem *pio = at91_gpio->regbase; + unsigned mask = 1 << offset; + + __raw_writel(mask, pio + PIO_PER); + return 0; +} + static int at91_gpiolib_direction_input(struct gpio_chip *chip, unsigned offset) {
confire the pin as pio when requested Cc: Nicolas Ferre <nicolas.ferre@atmel.com> Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> --- arch/arm/mach-at91/gpio.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+)