From: Kevin Hilman <khilman@baylibre.com>
To: Jerome Brunet <jbrunet@baylibre.com>
Cc: Ulf Hansson <ulf.hansson@linaro.org>,
Carlo Caione <carlo@caione.org>,
linux-mmc@vger.kernel.org, linux-amlogic@lists.infradead.org,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 13/16] mmc: meson-gx: use CCF to handle the clock phases
Date: Thu, 24 Aug 2017 17:04:26 -0700 [thread overview]
Message-ID: <7hd17kh5rp.fsf@baylibre.com> (raw)
In-Reply-To: <20170821160301.21899-14-jbrunet@baylibre.com> (Jerome Brunet's message of "Mon, 21 Aug 2017 18:02:58 +0200")
Jerome Brunet <jbrunet@baylibre.com> writes:
> Several phases can be controlled on the meson-gx controller, the core, tx
> and rx clock phase. The tx and rx uses delays to allow for a more fine
> grained setting of the phase. To properly compute the phase using delays,
> accessing the clock rate is necessary.
>
> Instead of ad-hoc functions, use the common clock framework to set the
> clock phases (and access the clock rate while doing it).
>
> Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
I have to admit to not fully understanding the MMC tuning aspsects here,
but I like this approach to using the clock framework for handling the
extra clocks.
Acked-by: Kevin Hilman <khilman@baylibre.com>
next prev parent reply other threads:[~2017-08-25 0:04 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-08-21 16:02 [PATCH v2 00/16] mmc: meson-gx: driver fixups and upgrades Jerome Brunet
2017-08-21 16:02 ` [PATCH v2 01/16] mmc: meson-gx: fix mux mask definition Jerome Brunet
2017-08-21 16:02 ` [PATCH v2 02/16] mmc: meson-gx: remove CLK_DIVIDER_ALLOW_ZERO clock flag Jerome Brunet
2017-08-21 16:02 ` [PATCH v2 03/16] mmc: meson-gx: clean up some constants Jerome Brunet
2017-08-21 16:02 ` [PATCH v2 04/16] mmc: meson-gx: use _irqsave variant of spinlock Jerome Brunet
2017-08-22 11:08 ` Ulf Hansson
2017-08-22 11:41 ` Jerome Brunet
2017-08-21 16:02 ` [PATCH v2 05/16] mmc: meson-gx: cfg init overwrite values Jerome Brunet
2017-08-21 16:02 ` [PATCH v2 06/16] mmc: meson-gx: rework set_ios function Jerome Brunet
2017-08-21 16:02 ` [PATCH v2 07/16] mmc: meson-gx: rework clk_set function Jerome Brunet
2017-08-21 16:02 ` [PATCH v2 08/16] mmc: meson-gx: rework clock init function Jerome Brunet
2017-08-21 16:02 ` [PATCH v2 09/16] mmc: meson-gx: fix dual data rate mode frequencies Jerome Brunet
2017-08-21 16:02 ` [PATCH v2 10/16] mmc: meson-gx: work around clk-stop issue Jerome Brunet
2017-08-21 16:02 ` [PATCH v2 11/16] mmc: meson-gx: simplify interrupt handler Jerome Brunet
2017-08-21 16:02 ` [PATCH v2 12/16] mmc: meson-gx: implement card_busy callback Jerome Brunet
2017-08-21 16:02 ` [PATCH v2 13/16] mmc: meson-gx: use CCF to handle the clock phases Jerome Brunet
2017-08-25 0:04 ` Kevin Hilman [this message]
2017-08-21 16:02 ` [PATCH v2 14/16] mmc: meson-gx: implement voltage switch callback Jerome Brunet
2017-08-21 16:03 ` [PATCH v2 15/16] mmc: meson-gx: change default tx phase Jerome Brunet
2017-08-25 0:05 ` Kevin Hilman
2017-08-21 16:03 ` [PATCH v2 16/16] mmc: meson-gx: rework tuning function Jerome Brunet
2017-08-22 11:15 ` [PATCH v2 00/16] mmc: meson-gx: driver fixups and upgrades Ulf Hansson
2017-08-22 11:46 ` Jerome Brunet
2017-08-23 13:10 ` Ulf Hansson
2017-08-25 0:05 ` Kevin Hilman
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