linux-kernel - [PATCH v4 05/16] char/genrtc: remove alpha support

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Message-Id: <1464634684-1248135-6-git-send-email-arnd@arndb.de>
Date:	Mon, 30 May 2016 20:57:53 +0200
From:	Arnd Bergmann <arnd@...db.de>
To:	Alexandre Belloni <alexandre.belloni@...e-electrons.com>
Cc:	Arnd Bergmann <arnd@...db.de>, geert@...ux-m68k.org,
	gregkh@...uxfoundation.org, deller@....de,
	benh@...nel.crashing.org, mpe@...erman.id.au, dalias@...c.org,
	dhowells@...hat.com, linux-alpha@...r.kernel.org,
	a.zummo@...ertech.it, linux-kernel@...r.kernel.org,
	linux-parisc@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
	linux-sh@...r.kernel.org, linux-m68k@...ts.linux-m68k.org,
	rtc-linux@...glegroups.com, linux-arch@...r.kernel.org
Subject: [PATCH v4 05/16] char/genrtc: remove alpha support

The genrtc driver serves no purpose on Alpha because it drives the
same hardware as the original rtc.c driver, and the newer rtc-generic.c
or rtc-cmos.c drivers on architectures that use the asm-generic/rtc.h
header.

The defconfig uses CONFIG_RTC=y, so this driver is not used by default.
At one point it was used to abstract a quirk for the "Marvel" platform,
but it does not do this any more after the code was moved into yet
another driver in arch/alpha/kernel/rtc.c.

Signed-off-by: Arnd Bergmann <arnd@...db.de>
---
 arch/alpha/include/asm/rtc.h    | 1 -
 arch/alpha/kernel/core_marvel.c | 1 -
 drivers/char/Kconfig            | 2 +-
 3 files changed, 1 insertion(+), 3 deletions(-)
 delete mode 100644 arch/alpha/include/asm/rtc.h

diff --git a/arch/alpha/include/asm/rtc.h b/arch/alpha/include/asm/rtc.h
deleted file mode 100644
index f71c3b0ed360..000000000000
--- a/arch/alpha/include/asm/rtc.h
+++ /dev/null
@@ -1 +0,0 @@
-#include <asm-generic/rtc.h>
diff --git a/arch/alpha/kernel/core_marvel.c b/arch/alpha/kernel/core_marvel.c
index 53dd2f1a53aa..d5f0580746a5 100644
--- a/arch/alpha/kernel/core_marvel.c
+++ b/arch/alpha/kernel/core_marvel.c
@@ -24,7 +24,6 @@
 #include <asm/gct.h>
 #include <asm/pgalloc.h>
 #include <asm/tlbflush.h>
-#include <asm/rtc.h>
 #include <asm/vga.h>
 
 #include "proto.h"
diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig
index 31b5861649ee..e3f2f3e293e5 100644
--- a/drivers/char/Kconfig
+++ b/drivers/char/Kconfig
@@ -328,7 +328,7 @@ config JS_RTC
 config GEN_RTC
 	tristate "Generic /dev/rtc emulation"
 	depends on RTC!=y
-	depends on ALPHA || M68K || MN10300 || PARISC || PPC
+	depends on M68K || MN10300 || PARISC || PPC
 	---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