| Message ID | 1430321701-13758-5-git-send-email-vladimir_zapolskiy@mentor.com |
|---|---|
| State | New |
| Headers | show |
On Wed, Apr 29, 2015 at 5:35 PM, Vladimir Zapolskiy <vladimir_zapolskiy@mentor.com> wrote: > All supported iMX GPIO controllers store configured GPIO output value > in GPIO_DR data register, which is represented by GPIO generic reg_set. > Provide a BGPIOF_READ_OUTPUT_REG_SET flag to bgpio_init() to allow > correct getting of previously set output value. > > Signed-off-by: Vladimir Zapolskiy <vladimir_zapolskiy@mentor.com> Patch applied, unless Shawn has some issue with it. Add Shawn to CC when patching this driver. Yours, Linus Walleij -- To unsubscribe from this list: send the line "unsubscribe linux-gpio" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/drivers/gpio/gpio-mxc.c b/drivers/gpio/gpio-mxc.c index 9f7446a..38daa64 100644 --- a/drivers/gpio/gpio-mxc.c +++ b/drivers/gpio/gpio-mxc.c @@ -450,7 +450,8 @@ static int mxc_gpio_probe(struct platform_device *pdev) err = bgpio_init(&port->bgc, &pdev->dev, 4, port->base + GPIO_PSR, port->base + GPIO_DR, NULL, - port->base + GPIO_GDIR, NULL, 0); + port->base + GPIO_GDIR, NULL, + BGPIOF_READ_OUTPUT_REG_SET); if (err) goto out_bgio;
All supported iMX GPIO controllers store configured GPIO output value in GPIO_DR data register, which is represented by GPIO generic reg_set. Provide a BGPIOF_READ_OUTPUT_REG_SET flag to bgpio_init() to allow correct getting of previously set output value. Signed-off-by: Vladimir Zapolskiy <vladimir_zapolskiy@mentor.com> --- drivers/gpio/gpio-mxc.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)