Re: [PATCH 1/8] char/rtc: replace blacklist with whitelist

Alexandre Belloni
2016-04-27T08:31:24Z

On 26/04/2016 at 23:44:05 +0200, Arnd Bergmann wrote :
> Every new architecture has to add itself to the growing list of those
> that do not support the legacy PC RTC driver.
>
> This replaces the long list of architectures that don't support it
> with a shorter list of those that do.
>
> The list is taken from those architectures that have a non-empty
> asm/mc146818rtc.h header file and were not explicitly blacklisted.
>
> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>

> ---
> drivers/char/Kconfig | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig
> index 3ec0766ed5e9..66b5d48f409a 100644
> --- a/drivers/char/Kconfig
> +++ b/drivers/char/Kconfig
> @@ -279,8 +279,7 @@ if RTC_LIB=n
>
> config RTC
> tristate "Enhanced Real Time Clock Support (legacy PC RTC driver)"
> - depends on !PPC && !PARISC && !IA64 && !M68K && !SPARC && !FRV \
> - && !ARM && !SUPERH && !S390 && !AVR32 && !BLACKFIN && !UML
> + depends on ALPHA || (MIPS && MACH_LOONGSON64) || MN10300 || X86
> ---help---
> If you say Y here and create a character special file /dev/rtc with
> major number 10 and minor number 135 using mknod ("man mknod"), you
> --
> 2.7.0
>

--
Alexandre Belloni, Free Electrons
Embedded Linux, Kernel and Android engineering