From: Maxime Ripard <maxime.ripard@free-electrons.com>
To: Chen-Yu Tsai <wens@csie.org>
Cc: Ulf Hansson <ulf.hansson@linaro.org>,
Michael Turquette <mturquette@baylibre.com>,
Stephen Boyd <sboyd@codeaurora.org>,
Rob Herring <robh+dt@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
linux-arm-kernel@lists.infradead.org, linux-mmc@vger.kernel.org,
linux-clk@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-sunxi@googlegroups.com
Subject: Re: [PATCH v2 05/10] mmc: sunxi: Support MMC DDR52 transfer mode with new timing mode
Date: Fri, 21 Jul 2017 09:21:16 +0200 [thread overview]
Message-ID: <20170721072116.bub4fxqq2zg6kj3t@flea> (raw)
In-Reply-To: <20170720034452.15920-6-wens@csie.org>
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On Thu, Jul 20, 2017 at 11:44:47AM +0800, Chen-Yu Tsai wrote:
> The MMC controller can support DDR52 transfers under the new timing
> mode. According to the BSP kernel, the module clock has to be double
> the card clock, regardless of the bus width. The default timings in
> the hardware can be used.
>
> This also reworks the code setting the internal divider, getting rid
> of a extra conditional.
>
> Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Thanks!
Maxime
--
Maxime Ripard, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com
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next prev parent reply other threads:[~2017-07-21 7:21 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-07-20 3:44 [PATCH v2 00/10] ARM: sun8i: a83t: Add support for MMC controllers Chen-Yu Tsai
2017-07-20 3:44 ` [PATCH v2 01/10] clk: sunxi-ng: Add interface to query or configure MMC timing modes Chen-Yu Tsai
2017-07-21 7:18 ` Maxime Ripard
2017-07-21 7:23 ` Chen-Yu Tsai
2017-07-20 3:44 ` [PATCH v2 02/10] clk: sunxi-ng: Add MP_MMC clocks that support MMC timing modes switching Chen-Yu Tsai
2017-07-21 7:19 ` Maxime Ripard
2017-07-20 3:44 ` [PATCH v2 03/10] clk: sunxi-ng: a83t: Support new timing mode for mmc2 clock Chen-Yu Tsai
2017-07-20 3:44 ` [PATCH v2 04/10] mmc: sunxi: Support controllers that can use both old and new timings Chen-Yu Tsai
2017-07-21 7:20 ` Maxime Ripard
2017-07-20 3:44 ` [PATCH v2 05/10] mmc: sunxi: Support MMC DDR52 transfer mode with new timing mode Chen-Yu Tsai
2017-07-21 7:21 ` Maxime Ripard [this message]
2017-07-20 3:44 ` [PATCH v2 06/10] mmc: sunxi: Add support for A83T eMMC (MMC2) Chen-Yu Tsai
2017-07-21 7:21 ` Maxime Ripard
2017-07-20 3:44 ` [PATCH v2 07/10] ARM: dts: sun8i: a83t: Add MMC controller device nodes Chen-Yu Tsai
2017-07-23 0:36 ` kbuild test robot
2017-07-20 3:44 ` [PATCH v2 08/10] ARM: dts: sun8i: a83t: Add pingroup for 8-bit eMMC on mmc2 Chen-Yu Tsai
2017-07-20 3:44 ` [PATCH v2 09/10] ARM: dts: sun8i: a83t: cubietruck-plus: Enable micro-SD card and eMMC Chen-Yu Tsai
2017-07-20 3:44 ` [PATCH v2 10/10] ARM: dts: sun8i: a83t: h8homlet: Enable micro-SD card and onboard eMMC Chen-Yu Tsai
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