From: maxime.ripard@free-electrons.com (Maxime Ripard)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] clk: sunxi: Remove ahb1_sdram from sun6i/sun8i protected clocks list
Date: Tue, 25 Nov 2014 22:49:47 +0100 [thread overview]
Message-ID: <20141125214947.GG25249@lukather> (raw)
In-Reply-To: <1416823515-9207-1-git-send-email-wens@csie.org>
On Mon, Nov 24, 2014 at 06:05:15PM +0800, Chen-Yu Tsai wrote:
> The ahb1_sdram clock gate is only used for accessing the sdram
> controller's registers over the bus. It is not used for actually clock
> the controller or the dram, hence it does not need to be protected.
>
> This also gets rid of the problem when the protected ahb1_sdram gate
> is prepared/enabled while it is still an orphan, and the operation
> is not propagated to the correct parent.
>
> This was confirmed on my A23 tablet and my A31 Hummingbird.
>
> Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Queued for 3.20, thanks!
Maxime
--
Maxime Ripard, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
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prev parent reply other threads:[~2014-11-25 21:49 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-11-24 10:05 [PATCH] clk: sunxi: Remove ahb1_sdram from sun6i/sun8i protected clocks list Chen-Yu Tsai
2014-11-25 21:49 ` Maxime Ripard [this message]
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