From: horms@verge.net.au (Simon Horman)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 0/3] Use generic helper scu_power_mode()
Date: Sun, 28 Oct 2012 12:11:17 +0900 [thread overview]
Message-ID: <20121028031117.GS3743@verge.net.au> (raw)
In-Reply-To: <1351162702-8391-1-git-send-email-hechtb@gmail.com>
On Thu, Oct 25, 2012 at 12:58:19PM +0200, Bastian Hecht wrote:
> Reposted to include the arch/arm mailing list.
>
> The shmobile series implements its own code for setting the SCU power
> register of the ARM MPCore. It uses 32-bit wide access and thus needs
> locking as multiple CPUs might access it simultaneously for change. There is
> already a small helper function that avoids the overhead by using 8-bit
> wide access: As every CPU only accesses its own field we can drop the
> lock and use it.
Thanks,
these look good to me. I will push them to the boards branch once
its current pull request has been processed by the arm-soc people.
prev parent reply other threads:[~2012-10-28 3:11 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-10-25 10:58 [PATCH 0/3] Use generic helper scu_power_mode() Bastian Hecht
2012-10-25 10:58 ` [PATCH 1/3] ARM: shmobile: emev2: Replace modify_scu_cpu_psr with scu_power_mode Bastian Hecht
2012-10-25 10:58 ` [PATCH 2/3] ARM: shmobile: sh73a0: " Bastian Hecht
2012-10-25 10:58 ` [PATCH 3/3] ARM: shmobile: r8a7779: " Bastian Hecht
2012-10-28 3:11 ` Simon Horman [this message]
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