On 22 December 2017 at 03:18, Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> wrote:
> Hi Mark,
>
> After merging the spi tree, today's linux-next build (x86_64 allmodconfig
> build) failed like this:
>
> drivers/spi/spi-pxa2xx.c: In function 'setup_cs':
> drivers/spi/spi-pxa2xx.c:1240:3: error: implicit declaration of function 'gpiod_free' [-Werror=implicit-function-declaration]
> gpiod_free(chip->gpiod_cs);
> ^
>
> Caused by commit
>
> 221886646f75 ("spi: pxa2xx: avoid redundant gpio_to_desc(desc_to_gpio()) round-trip")
>
> Presumably a missing include file.
Gaah, sorry, not sure when I learn to compile-test every single patch
:( When I saw that gpiod_free wasn't static I didn't think to go look
for any public declaration, assuming that it would be declared the
same place as gpio_free, but apparently it's private to gpiolib.
There's no public declaration in include/, but there's a public
gpiod_put, which is nothing but a wrapper for gpiod_free. gpiod_put is
declared in linux/gpio/consumer.h, which is already #included, so
s/gpiod_free/gpiod_put/ should fix it.
Want a follow-up patch or a replacement?
Rasmus
> I have used the spi tree from next-20171221 for today.
>
> --
> Cheers,
> Stephen Rothwell
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