| Message ID | 1447893147-9458-1-git-send-email-stefan.wahren@i2se.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On Thu, Nov 19, 2015 at 1:32 AM, Stefan Wahren <stefan.wahren@i2se.com> wrote: > Currently the provided initial value for bcm2835_gpio_direction_output > has no effect. So fix this issue by changing the value before > changing the GPIO direction. As a result we need to move the function below > bcm2835_gpio_set. > > Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com> > CC: Martin Sperl <kernel@martin.sperl.org> > CC: Stephen Warren <swarren@wwwdotorg.org> Waiting for Stephen's ACK on this. Yours, Linus Walleij
Stefan Wahren <stefan.wahren@i2se.com> writes: > Currently the provided initial value for bcm2835_gpio_direction_output > has no effect. So fix this issue by changing the value before > changing the GPIO direction. As a result we need to move the function below > bcm2835_gpio_set. > > Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com> > CC: Martin Sperl <kernel@martin.sperl.org> > CC: Stephen Warren <swarren@wwwdotorg.org> Acked-by: Eric Anholt <eric@anholt.net>
On 11/18/2015 05:32 PM, Stefan Wahren wrote: > Currently the provided initial value for bcm2835_gpio_direction_output > has no effect. So fix this issue by changing the value before > changing the GPIO direction. As a result we need to move the function below > bcm2835_gpio_set. Acked-by: Stephen Warren <swarren@wwwdotorg.org>
Am 02.12.2015 um 04:53 schrieb Stephen Warren: > On 11/18/2015 05:32 PM, Stefan Wahren wrote: >> Currently the provided initial value for bcm2835_gpio_direction_output >> has no effect. So fix this issue by changing the value before >> changing the GPIO direction. As a result we need to move the function below >> bcm2835_gpio_set. > Acked-by: Stephen Warren <swarren@wwwdotorg.org> > Should i resend the patch with Suggested-by: Martin Sperl <kernel@martin.sperl.org> ?
On Thu, Nov 19, 2015 at 1:32 AM, Stefan Wahren <stefan.wahren@i2se.com> wrote: > Currently the provided initial value for bcm2835_gpio_direction_output > has no effect. So fix this issue by changing the value before > changing the GPIO direction. As a result we need to move the function below > bcm2835_gpio_set. > > Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com> > CC: Martin Sperl <kernel@martin.sperl.org> > CC: Stephen Warren <swarren@wwwdotorg.org> Patch applied for fixes. Yours, Linus Walleij
On Wed, Dec 2, 2015 at 3:26 PM, Stefan Wahren <stefan.wahren@i2se.com> wrote: > Am 02.12.2015 um 04:53 schrieb Stephen Warren: >> On 11/18/2015 05:32 PM, Stefan Wahren wrote: >>> Currently the provided initial value for bcm2835_gpio_direction_output >>> has no effect. So fix this issue by changing the value before >>> changing the GPIO direction. As a result we need to move the function below >>> bcm2835_gpio_set. >> Acked-by: Stephen Warren <swarren@wwwdotorg.org> >> > > Should i resend the patch with > > Suggested-by: Martin Sperl <kernel@martin.sperl.org> No, I added this when applying the patch. Yours, Linus Walleij
diff --git a/drivers/pinctrl/bcm/pinctrl-bcm2835.c b/drivers/pinctrl/bcm/pinctrl-bcm2835.c index 8efa235..fd1441b 100644 --- a/drivers/pinctrl/bcm/pinctrl-bcm2835.c +++ b/drivers/pinctrl/bcm/pinctrl-bcm2835.c @@ -352,12 +352,6 @@ static int bcm2835_gpio_get(struct gpio_chip *chip, unsigned offset) return bcm2835_gpio_get_bit(pc, GPLEV0, offset); } -static int bcm2835_gpio_direction_output(struct gpio_chip *chip, - unsigned offset, int value) -{ - return pinctrl_gpio_direction_output(chip->base + offset); -} - static void bcm2835_gpio_set(struct gpio_chip *chip, unsigned offset, int value) { struct bcm2835_pinctrl *pc = dev_get_drvdata(chip->dev); @@ -365,6 +359,13 @@ static void bcm2835_gpio_set(struct gpio_chip *chip, unsigned offset, int value) bcm2835_gpio_set_bit(pc, value ? GPSET0 : GPCLR0, offset); } +static int bcm2835_gpio_direction_output(struct gpio_chip *chip, + unsigned offset, int value) +{ + bcm2835_gpio_set(chip, offset, value); + return pinctrl_gpio_direction_output(chip->base + offset); +} + static int bcm2835_gpio_to_irq(struct gpio_chip *chip, unsigned offset) { struct bcm2835_pinctrl *pc = dev_get_drvdata(chip->dev);
Currently the provided initial value for bcm2835_gpio_direction_output has no effect. So fix this issue by changing the value before changing the GPIO direction. As a result we need to move the function below bcm2835_gpio_set. Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com> CC: Martin Sperl <kernel@martin.sperl.org> CC: Stephen Warren <swarren@wwwdotorg.org> --- This patch was inspired by this discussion [1]. [1] - http://lists.infradead.org/pipermail/linux-rpi-kernel/2015-April/001499.html drivers/pinctrl/bcm/pinctrl-bcm2835.c | 13 +++++++------ 1 file changed, 7 insertions(+), 6 deletions(-)