Re: linux-next: build failure after merge of the gpio tree

From: Linus Walleij
Date: Tue Aug 18 2015 - 08:00:34 EST


On Tue, Aug 18, 2015 at 8:57 AM, Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> wrote:

> Hi Linus,
>
> After merging the gpio tree, today's linux-next build (x86_64
> allmodconfig) failed like this:
>
> drivers/media/i2c/tc358743.c: In function 'tc358743_probe_of':
> drivers/media/i2c/tc358743.c:1786:22: error: too few arguments to function 'devm_gpiod_get'
> state->reset_gpio = devm_gpiod_get(dev, "reset");
> ^
> In file included from drivers/media/i2c/tc358743.c:34:0:
> include/linux/gpio/consumer.h:73:32: note: declared here
> struct gpio_desc *__must_check devm_gpiod_get(struct device *dev,
> ^

Argh.

> I have added the following fix patch for today:
>
> From: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
> Date: Tue, 18 Aug 2015 16:53:21 +1000
> Subject: [PATCH] [media] tc358743: fix for devm_gpiod_get API change
>
> Signed-off-by: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
> ---
> drivers/media/i2c/tc358743.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/media/i2c/tc358743.c b/drivers/media/i2c/tc358743.c
> index fe42c9a1cb78..8f7641164d9d 100644
> --- a/drivers/media/i2c/tc358743.c
> +++ b/drivers/media/i2c/tc358743.c
> @@ -1783,7 +1783,7 @@ static int tc358743_probe_of(struct tc358743_state *state)
> state->pdata.ths_trailcnt = 0x2;
> state->pdata.hstxvregcnt = 0;
>
> - state->reset_gpio = devm_gpiod_get(dev, "reset");
> + state->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_ASIS);
> if (IS_ERR(state->reset_gpio)) {
> dev_err(dev, "failed to get reset gpio\n");
> ret = PTR_ERR(state->reset_gpio);

This is likely the correct solution. Mauro, can you apply Stephen's
patch to your media tree?

Yours,
Linus Walleij
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