[PATCH 4/5] leds: leds-gpio: adopt pinctrl support
AnilKumar, Chimata
anilkumar at ti.com
Sat Sep 1 03:54:18 EST 2012
Hi Tony,
Thanks for the review,
On Fri, Aug 31, 2012 at 21:34:04, Tony Lindgren wrote:
> * AnilKumar Ch <anilkumar at ti.com> [120831 02:30]:
> > Adopt pinctrl support to leds-gpio driver, based on the device
> > pointer (leds-gpio) pinctrl driver configure SoC pins to GPIO
> > mode.
> >
> > Signed-off-by: AnilKumar Ch <anilkumar at ti.com>
> > ---
> > drivers/leds/leds-gpio.c | 31 ++++++++++++++++++++++++-------
> > 1 file changed, 24 insertions(+), 7 deletions(-)
> >
> > diff --git a/drivers/leds/leds-gpio.c b/drivers/leds/leds-gpio.c
> > index c032b21..d98dfb9 100644
> > --- a/drivers/leds/leds-gpio.c
> > +++ b/drivers/leds/leds-gpio.c
> > @@ -20,6 +20,7 @@
> > #include <linux/slab.h>
> > #include <linux/workqueue.h>
> > #include <linux/module.h>
> > +#include <linux/pinctrl/consumer.h>
> >
> > struct gpio_led_data {
> > struct led_classdev cdev;
> > @@ -236,14 +237,23 @@ static int __devinit gpio_led_probe(struct platform_device *pdev)
> > {
> > struct gpio_led_platform_data *pdata = pdev->dev.platform_data;
> > struct gpio_leds_priv *priv;
> > - int i, ret = 0;
> > + struct pinctrl *pinctrl;
> > + int i = 0;
> > + int ret = 0;
> > +
> > + pinctrl = devm_pinctrl_get_select_default(&pdev->dev);
> > + if (IS_ERR(pinctrl)) {
> > + return PTR_ERR(pinctrl);
> > + }
>
> I think you need to just print out a warning here as most systems don't
> have the pinctrl implemented. And some people just do static pinmuxing
> in the bootloader.
>
Yes, that is better approach I will fix this in my next version.
I will separate out this patch from the series because these changes are
leds-gpio driver specific which are different from DT data (pinctrl and
d_can).
Thanks
AnilKumar
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