linux-kernel - [PATCH 5/8] char/genrtc: powerpc: use asm-generic/rtc.h

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Message-Id: <1461707052-1337718-6-git-send-email-arnd@arndb.de>
Date:	Tue, 26 Apr 2016 23:44:09 +0200
From:	Arnd Bergmann <arnd@...db.de>
To:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:	Arnd Bergmann <arnd@...db.de>, tony.luck@...el.com,
	geert@...ux-m68k.org, jejb@...isc-linux.org, deller@....de,
	benh@...nel.crashing.org, mpe@...erman.id.au, dalias@...c.org,
	dhowells@...hat.com, yasutake.koichi@...panasonic.com,
	rth@...ddle.net, ink@...assic.park.msu.ru,
	linux-alpha@...r.kernel.org, x86@...nel.org, a.zummo@...ertech.it,
	alexandre.belloni@...e-electrons.com, linux-kernel@...r.kernel.org,
	linux-ia64@...r.kernel.org, linux-parisc@...r.kernel.org,
	linuxppc-dev@...ts.ozlabs.org, linux-sh@...r.kernel.org,
	rtc-linux@...glegroups.com, linux-arch@...r.kernel.org
Subject: [PATCH 5/8] char/genrtc: powerpc: use asm-generic/rtc.h

The asm-generic/rtc.h header can now be included by
architectures that provide their own set_rtc_time/get_rtc_time
macros, letting us remove most of the common contents in
the powerpc implementation.

Signed-off-by: Arnd Bergmann <arnd@...db.de>
---
 arch/powerpc/include/asm/rtc.h | 36 +++++-------------------------------
 1 file changed, 5 insertions(+), 31 deletions(-)

diff --git a/arch/powerpc/include/asm/rtc.h b/arch/powerpc/include/asm/rtc.h
index f5802926b6c0..c6659582bd1e 100644
--- a/arch/powerpc/include/asm/rtc.h
+++ b/arch/powerpc/include/asm/rtc.h
@@ -26,23 +26,14 @@
 
 #ifdef __KERNEL__
 
-#include <linux/rtc.h>
+#define get_rtc_time powerpc_get_rtc_time
+#define set_rtc_time powerpc_set_rtc_time
+#include <asm-generic/rtc.h>
 
 #include <asm/machdep.h>
 #include <asm/time.h>
 
-#define RTC_PIE 0x40		/* periodic interrupt enable */
-#define RTC_AIE 0x20		/* alarm interrupt enable */
-#define RTC_UIE 0x10		/* update-finished interrupt enable */
-
-/* some dummy definitions */
-#define RTC_BATT_BAD 0x100	/* battery bad */
-#define RTC_SQWE 0x08		/* enable square-wave output */
-#define RTC_DM_BINARY 0x04	/* all time/date values are BCD if clear */
-#define RTC_24H 0x02		/* 24 hour mode - else hours bit 7 means pm */
-#define RTC_DST_EN 0x01	        /* auto switch DST - works f. USA only */
-
-static inline unsigned int get_rtc_time(struct rtc_time *time)
+static inline unsigned int powerpc_get_rtc_time(struct rtc_time *time)
 {
 	if (ppc_md.get_rtc_time)
 		ppc_md.get_rtc_time(time);
@@ -50,29 +41,12 @@ static inline unsigned int get_rtc_time(struct rtc_time *time)
 }
 
 /* Set the current date and time in the real time clock. */
-static inline int set_rtc_time(struct rtc_time *time)
+static inline int powerpc_set_rtc_time(struct rtc_time *time)
 {
 	if (ppc_md.set_rtc_time)
 		return ppc_md.set_rtc_time(time);
 	return -EINVAL;
 }
 
-static inline unsigned int get_rtc_ss(void)
-{
-	struct rtc_time h;
-
-	get_rtc_time(&h);
-	return h.tm_sec;
-}
-
-static inline int get_rtc_pll(struct rtc_pll_info *pll)
-{
-	return -EINVAL;
-}
-static inline int set_rtc_pll(struct rtc_pll_info *pll)
-{
-	return -EINVAL;
-}
-
 #endif /* __KERNEL__ */
 #endif /* __ASM_POWERPC_RTC_H__ */
-- 
2.7.0