[PATCH] pwm: stm32: fix build warning with CONFIG_DMA_ENGINE disabled

[lee.jones@linaro.org (Lee Jones)]

On Wed, 06 Jun 2018, Thierry Reding wrote:

> On Fri, May 25, 2018 at 11:08:30PM +0200, Arnd Bergmann wrote:
> > Without dmaengine support, we get a harmless warning about an
> > unused function:
> > 
> > drivers/pwm/pwm-stm32.c:166:12: error: 'stm32_pwm_capture' defined but not used [-Werror=unused-function]
> > 
> > Changing the #ifdef to an IS_ENABLED() check shuts up that warning
> > and is slightly nicer to read.
> > 
> > Fixes: 53e38fe73f94 ("pwm: stm32: Add capture support")
> > Signed-off-by: Arnd Bergmann <arnd@arndb.de>
> > ---
> >  drivers/pwm/pwm-stm32.c | 4 +---
> >  1 file changed, 1 insertion(+), 3 deletions(-)
> 
> Applied, thanks.
> 
> Lee, I applied this on top of your immutable MFD/PWM branch because it
> depends on the capture support that you applied. I wasn't sure what your
> PR timing was going to be, so I thought I'd do it this way since I'm
> pulling in some last minute fixes for v4.18.

I don't see a problem with that.

-- 
Lee Jones [???]
Linaro Services Technical Lead
Linaro.org ? Open source software for ARM SoCs
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