Re: [PATCH] misc: atmel_pwm: only build for supported platforms

[Paul Bolle]

On Fri, 2014-05-09 at 12:03 +0200, Nicolas Ferre wrote:
> On 08/05/2014 16:56, Arnd Bergmann :
> > There is architecture code in mach-at91 that depends on the
> > CONFIG_ATMEL_PWM symbol in order to call the soc-specific
> > at91_add_device_pwm function. While all of this is about code
> > that will be removed in the future, using DT probing and
> > the PWM framework, we currently get a build failure:
> > 
> > arch/arm/mach-at91/built-in.o: In function `at91_pwm_leds':
> > arch/arm/mach-at91/leds.c:88: undefined reference to `at91_add_device_pwm'
> > 
> > This patch ensures we only try to build this driver on
> > platforms on which it will build and work.
> > 
> > Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
> > Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
> 
> Acked-by: Nicolas Ferre <nicolas.ferre@xxxxxxxxx>

It seems this one just landed in linux-next (in next-20140528).

> > diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig
> > index fe2230c..ce29342 100644
> > --- a/drivers/misc/Kconfig
> > +++ b/drivers/misc/Kconfig
> > @@ -53,7 +53,8 @@ config AD525X_DPOT_SPI
> >  
> >  config ATMEL_PWM
> >  	tristate "Atmel AT32/AT91 PWM support"
> > -	depends on HAVE_CLK && (AVR32 || ARCH_AT91 || COMPILE_TEST)
> > +	depends on HAVE_CLK
> > +	depends on AVR32 || AT91SAM9263 || AT91SAM9RL || AT91SAM9G45

Symbols AT91SAM9263, AT91SAM9RL, and AT91SAM9G45 do not seem to exist in
next-20140528. Should these perhaps be SOC_AT91SAM9263, SOC_AT91SAM9RL,
and SOC_AT91SAM9G45 and/or ARCH_AT91SAM9263, ARCH_AT91SAM9RL, and
ARCH_AT91SAM9G45?

> >  	help
> >  	  This option enables device driver support for the PWM channels
> >  	  on certain Atmel processors.  Pulse Width Modulation is used for
> > 


Paul Bolle

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