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char: genrtc: replace blacklist with whitelist 

Every new architecture has to add itself to the growing list of those
that do not support the old "generic" 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/rtc.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>
Reviewed-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Arnd Bergmann 2016-03-02 10:48:51 +01:00 committed by Greg Kroah-Hartman
parent ca48fa22c3
commit ba6ed7e1ec
1 changed files with 2 additions and 1 deletions
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drivers/char/Kconfig
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@ -328,7 +328,8 @@ config JS_RTC
config GEN_RTC
tristate "Generic /dev/rtc emulation"
depends on RTC!=y && !IA64 && !ARM && !M32R && !MIPS && !SPARC && !FRV && !S390 && !SUPERH && !AVR32 && !BLACKFIN && !UML
depends on RTC!=y
depends on ALPHA || M68K || MN10300 || PARISC || PPC || 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