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 struct regmap's internal locks as union Date: Thu, 11 Sep 2014 16:19:49 +0800 [thread overview] Message-ID: <35FD53F367049845BC99AC72306C23D103CDBFBFB01A@CNBJMBX05.corpusers.net> (raw) this patch change struct regmap->mutex and struct regmap->spinlock as an union, because these 2 members are only used one of them, we change it to shrink the struct 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 bfc90b8..0da5865 100644 --- a/drivers/base/regmap/internal.h +++ b/drivers/base/regmap/internal.h @@ -49,8 +49,10 @@ struct regmap_async { }; struct regmap { - struct mutex mutex; - spinlock_t spinlock; + union { + struct mutex mutex; + spinlock_t spinlock; + }; unsigned long spinlock_flags; regmap_lock lock; regmap_unlock unlock; -- 2.1.0
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 struct regmap's internal locks as union Date: Thu, 11 Sep 2014 16:19:49 +0800 [thread overview] Message-ID: <35FD53F367049845BC99AC72306C23D103CDBFBFB01A@CNBJMBX05.corpusers.net> (raw) this patch change struct regmap->mutex and struct regmap->spinlock as an union, because these 2 members are only used one of them, we change it to shrink the struct 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 bfc90b8..0da5865 100644 --- a/drivers/base/regmap/internal.h +++ b/drivers/base/regmap/internal.h @@ -49,8 +49,10 @@ struct regmap_async { }; struct regmap { - struct mutex mutex; - spinlock_t spinlock; + union { + struct mutex mutex; + spinlock_t spinlock; + }; unsigned long spinlock_flags; regmap_lock lock; regmap_unlock unlock; -- 2.1.0
next reply other threads:[~2014-09-11 8:20 UTC|newest] Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top 2014-09-11 8:19 Wang, Yalin [this message] 2014-09-11 8:19 ` [PATCH] regmap:change struct regmap's internal locks as union Wang, Yalin 2014-09-12 13:57 ` Mark Brown 2014-09-12 13:57 ` Mark Brown 2014-12-15 8:05 ` [PATCH] regmap:change spinlock_flags into the union Wang, Yalin 2014-12-15 8:05 ` Wang, Yalin 2014-12-15 17:41 ` Mark Brown 2014-12-15 17:41 ` Mark Brown
Reply instructions: You may reply publicly to this message via plain-text email using any one of the following methods: * Save the following mbox file, import it into your mail client, and reply-to-all from there: mbox Avoid top-posting and favor interleaved quoting: https://en.wikipedia.org/wiki/Posting_style#Interleaved_style * Reply using the --to, --cc, and --in-reply-to switches of git-send-email(1): git send-email \ --in-reply-to=35FD53F367049845BC99AC72306C23D103CDBFBFB01A@CNBJMBX05.corpusers.net \ --to=yalin.wang@sonymobile.com \ --cc=broonie@kernel.org \ --cc=linux-arm-kernel@lists.infradead.org \ --cc=linux-driver@qlogic.com \ --cc=linux-kernel@vger.kernel.org \ --cc=linux@arm.linux.org.uk \ /path/to/YOUR_REPLY https://kernel.org/pub/software/scm/git/docs/git-send-email.html * If your mail client supports setting the In-Reply-To header via mailto: links, try the mailto: linkBe sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes, see mirroring instructions on how to clone and mirror all data and code used by this external index.