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From: "Wang, Yalin" <Yalin.Wang@sonymobile.com>
To: "'broonie@kernel.org'" <broonie@kernel.org>,
	"'linux-driver@qlogic.com'" <linux-driver@qlogic.com>,
	"'linux-kernel@vger.kernel.org'" <linux-kernel@vger.kernel.org>,
	"'linux-arm-kernel@lists.infradead.org'" 
	<linux-arm-kernel@lists.infradead.org>,
	"'linux@arm.linux.org.uk'" <linux@arm.linux.org.uk>
Subject: [PATCH] regmap:change spinlock_flags into the union
Date: Mon, 15 Dec 2014 16:05:50 +0800	[thread overview]
Message-ID: <35FD53F367049845BC99AC72306C23D103EDAF89E148@CNBJMBX05.corpusers.net> (raw)
In-Reply-To: <35FD53F367049845BC99AC72306C23D103CDBFBFB01A@CNBJMBX05.corpusers.net>

This patch move struct regmap.spinlock_flags into the union of
spinlock, so that we can shrink struct regmap size.

Signed-off-by: Yalin Wang <yalin.wang@sonymobile.com>
---
 drivers/base/regmap/internal.h | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/base/regmap/internal.h b/drivers/base/regmap/internal.h
index 0da5865..8e94584 100644
--- a/drivers/base/regmap/internal.h
+++ b/drivers/base/regmap/internal.h
@@ -51,9 +51,11 @@ struct regmap_async {
 struct regmap {
 	union {
 		struct mutex mutex;
-		spinlock_t spinlock;
+		struct {
+			spinlock_t spinlock;
+			unsigned long spinlock_flags;
+		};
 	};
-	unsigned long spinlock_flags;
 	regmap_lock lock;
 	regmap_unlock unlock;
 	void *lock_arg; /* This is passed to lock/unlock functions */
-- 
2.1.3

WARNING: multiple messages have this Message-ID (diff)
From: Yalin.Wang@sonymobile.com (Wang, Yalin)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] regmap:change spinlock_flags into the union
Date: Mon, 15 Dec 2014 16:05:50 +0800	[thread overview]
Message-ID: <35FD53F367049845BC99AC72306C23D103EDAF89E148@CNBJMBX05.corpusers.net> (raw)
In-Reply-To: <35FD53F367049845BC99AC72306C23D103CDBFBFB01A@CNBJMBX05.corpusers.net>

This patch move struct regmap.spinlock_flags into the union of
spinlock, so that we can shrink struct regmap size.

Signed-off-by: Yalin Wang <yalin.wang@sonymobile.com>
---
 drivers/base/regmap/internal.h | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/base/regmap/internal.h b/drivers/base/regmap/internal.h
index 0da5865..8e94584 100644
--- a/drivers/base/regmap/internal.h
+++ b/drivers/base/regmap/internal.h
@@ -51,9 +51,11 @@ struct regmap_async {
 struct regmap {
 	union {
 		struct mutex mutex;
-		spinlock_t spinlock;
+		struct {
+			spinlock_t spinlock;
+			unsigned long spinlock_flags;
+		};
 	};
-	unsigned long spinlock_flags;
 	regmap_lock lock;
 	regmap_unlock unlock;
 	void *lock_arg; /* This is passed to lock/unlock functions */
-- 
2.1.3

  parent reply	other threads:[~2014-12-15  8:05 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-09-11  8:19 [PATCH] regmap:change struct regmap's internal locks as union Wang, Yalin
2014-09-11  8:19 ` Wang, Yalin
2014-09-12 13:57 ` Mark Brown
2014-09-12 13:57   ` Mark Brown
2014-12-15  8:05 ` Wang, Yalin [this message]
2014-12-15  8:05   ` [PATCH] regmap:change spinlock_flags into the union Wang, Yalin
2014-12-15 17:41   ` Mark Brown
2014-12-15 17:41     ` Mark Brown

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