From: maxime.ripard@free-electrons.com (Maxime Ripard)
To: linux-arm-kernel@lists.infradead.org
Subject: [linux-sunxi] Re: [PATCH 01/10] clk: sunxi: Add module 0 (storage) style clock support for A80
Date: Sun, 7 Dec 2014 16:16:40 +0100 [thread overview]
Message-ID: <20141207151640.GJ12434@lukather> (raw)
In-Reply-To: <CAGb2v66iE2OzYEV6YxE=3-6MLSOzXHRwYfSSMGcq00VwmwS=mw@mail.gmail.com>
On Sun, Dec 07, 2014 at 09:13:46AM +0800, Chen-Yu Tsai wrote:
> > (Which makes me wonder why do we the same spinlock for all the
> > instances of the mod0 clocks, but that's another story)
>
> Are you worried about contention? AFAIK we don't do anything
> fancy in our code that would result in a major problem.
> I was wondering the same thing a while ago.
Yes. While I'm not overly concerned about a performance bottleneck, it
does seems a bit odd to have a shared lock when there's no shared
resources.
Maxime
--
Maxime Ripard, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
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next prev parent reply other threads:[~2014-12-07 15:16 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-12-03 6:35 [PATCH 00/10] ARM: sun9i: Enable MMC support on Allwinner A80 Chen-Yu Tsai
2014-12-03 6:35 ` [PATCH 01/10] clk: sunxi: Add module 0 (storage) style clock support for A80 Chen-Yu Tsai
2014-12-06 17:13 ` Maxime Ripard
2014-12-07 1:13 ` [linux-sunxi] " Chen-Yu Tsai
2014-12-07 15:16 ` Maxime Ripard [this message]
2014-12-03 6:35 ` [PATCH 02/10] ARM: dts: sun9i: Add mmc module clock nodes " Chen-Yu Tsai
2014-12-06 17:24 ` Maxime Ripard
2014-12-07 1:11 ` Chen-Yu Tsai
2014-12-07 15:14 ` Maxime Ripard
2014-12-03 6:35 ` [PATCH 03/10] clk: sunxi: Add driver for A80 MMC config clocks/resets Chen-Yu Tsai
2014-12-06 18:01 ` Maxime Ripard
2014-12-07 1:30 ` Chen-Yu Tsai
2014-12-07 15:20 ` Maxime Ripard
2014-12-03 6:35 ` [PATCH 04/10] ARM: dts: sun9i: Add clock-indices property for bus gate clocks Chen-Yu Tsai
2014-12-03 6:36 ` [PATCH 05/10] ARM: dts: sun9i: Add mmc config clock nodes Chen-Yu Tsai
2014-12-07 15:00 ` Maxime Ripard
2014-12-07 16:00 ` Chen-Yu Tsai
2014-12-07 17:45 ` Maxime Ripard
2014-12-03 6:36 ` [PATCH 06/10] ARM: dts: sun9i: Add mmc controller nodes to the A80 dtsi Chen-Yu Tsai
2014-12-03 6:36 ` [PATCH 07/10] ARM: dts: sun9i: Add pinmux setting for mmc0 Chen-Yu Tsai
2014-12-07 15:01 ` Maxime Ripard
2014-12-03 6:36 ` [PATCH 08/10] ARM: dts: sun9i: Enable mmc0 on A80 Optimus Board Chen-Yu Tsai
2014-12-07 15:02 ` Maxime Ripard
2014-12-07 15:18 ` Chen-Yu Tsai
2014-12-07 15:35 ` Maxime Ripard
2014-12-03 6:36 ` [PATCH 09/10] ARM: dts: sun9i: Add pinmux settings for mmc2 Chen-Yu Tsai
2014-12-07 15:03 ` Maxime Ripard
2014-12-07 15:11 ` Chen-Yu Tsai
2014-12-07 17:46 ` Maxime Ripard
2014-12-03 6:36 ` [PATCH 10/10] ARM: dts: sun9i: Enable mmc2 on A80 Optimus Board Chen-Yu Tsai
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