From: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
To: Ulf Hansson <ulf.hansson@linaro.org>
Cc: Russell King <linux@arm.linux.org.uk>,
linux-mmc <linux-mmc@vger.kernel.org>,
Chris Ball <chris@printf.net>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
linux-arm-msm@vger.kernel.org,
Linus Walleij <linus.walleij@linaro.org>
Subject: Re: [PATCH v3 06/13] mmc: mmci: Qcomm: Add 3 clock cycle delay after register write
Date: Mon, 26 May 2014 18:04:31 +0100 [thread overview]
Message-ID: <5383741F.8010205@linaro.org> (raw)
In-Reply-To: <CAPDyKFoSjXy8ptyrk_wN3N4Ovvy==HpX9S0n0endsh0Ca2kMtA@mail.gmail.com>
>
> I am not sure I like this approach. For each and every writel
> (including pio_writes) you will add a few cpu cycles, since you need
> to check for "mclk_delayed_writes" no matter of variant.
>
> How about, adding a new function pointer in the struct mmci_host, for
> "writel operations" which you could set up in probe phase instead?
>
Yes, this is an additional check for other variants. I will try the
function pointer method that you suggested.
Thanks,
srini
> Kind regards
> Ulf Hansson
>
next prev parent reply other threads:[~2014-05-26 17:04 UTC|newest]
Thread overview: 47+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-05-23 12:49 [PATCH v3 00/13] Add Qualcomm SD Card Controller support srinivas.kandagatla
2014-05-23 12:50 ` [PATCH v3 01/13] mmc: mmci: use NSEC_PER_SEC macro srinivas.kandagatla
2014-05-23 12:50 ` [PATCH v3 02/13] mmc: mmci: convert register bits to use BIT() macro srinivas.kandagatla
2014-05-23 12:51 ` [PATCH v3 03/13] mmc: mmci: Add Qualcomm Id to amba id table srinivas.kandagatla
2014-05-26 9:10 ` Ulf Hansson
2014-05-26 17:00 ` Srinivas Kandagatla
2014-05-27 13:49 ` Srinivas Kandagatla
2014-05-23 12:51 ` [PATCH v3 04/13] mmc: mmci: Add Qcom datactrl register variant srinivas.kandagatla
2014-05-23 12:51 ` [PATCH v3 05/13] mmc: mmci: Add register read/write wrappers srinivas.kandagatla
2014-05-23 12:51 ` [PATCH v3 06/13] mmc: mmci: Qcomm: Add 3 clock cycle delay after register write srinivas.kandagatla
2014-05-26 9:34 ` Ulf Hansson
2014-05-26 17:04 ` Srinivas Kandagatla [this message]
2014-05-23 12:51 ` [PATCH v3 07/13] mmc: mmci: add ddrmode mask to variant data srinivas.kandagatla
2014-05-26 9:53 ` Ulf Hansson
2014-05-26 17:06 ` Srinivas Kandagatla
2014-05-23 12:52 ` [PATCH v3 08/13] mmc: mmci: add 8bit bus support in " srinivas.kandagatla
2014-05-26 10:07 ` Ulf Hansson
2014-05-28 7:27 ` Srinivas Kandagatla
2014-05-28 7:53 ` Linus Walleij
2014-05-23 12:52 ` [PATCH v3 09/13] mmc: mmci: add edge support to data and command out " srinivas.kandagatla
2014-05-23 12:52 ` [PATCH v3 10/13] mmc: mmci: add Qcom specifics of clk and datactrl registers srinivas.kandagatla
2014-05-26 13:05 ` Ulf Hansson
2014-05-26 21:38 ` Srinivas Kandagatla
2014-05-28 9:41 ` Srinivas Kandagatla
2014-05-28 10:03 ` Ulf Hansson
2014-05-23 12:52 ` [PATCH v3 11/13] mmc: mmci: Add support to data commands via variant structure srinivas.kandagatla
2014-05-23 12:52 ` [PATCH v3 12/13] mmc: mmci: add explicit clk control srinivas.kandagatla
2014-05-26 14:21 ` Ulf Hansson
2014-05-26 14:28 ` Ulf Hansson
2014-05-26 22:39 ` Srinivas Kandagatla
2014-05-27 9:32 ` Ulf Hansson
2014-05-27 12:43 ` Srinivas Kandagatla
2014-05-27 14:07 ` Ulf Hansson
2014-05-27 14:14 ` Srinivas Kandagatla
2014-05-28 8:02 ` Linus Walleij
2014-05-28 8:28 ` Srinivas Kandagatla
2014-05-28 10:17 ` Ulf Hansson
2014-05-23 12:53 ` [PATCH v3 13/13] mmc: mmci: Add Qcom specific pio_read function srinivas.kandagatla
2014-05-23 23:28 ` Stephen Boyd
2014-05-28 13:57 ` Srinivas Kandagatla
2014-05-29 7:43 ` Linus Walleij
2014-05-30 1:30 ` Stephen Boyd
2014-05-30 9:00 ` Linus Walleij
2014-05-26 14:34 ` Ulf Hansson
2014-05-26 17:10 ` Srinivas Kandagatla
2014-05-28 8:08 ` Linus Walleij
2014-05-28 8:51 ` Srinivas Kandagatla
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