From: Wolfram Sang <wsa@the-dreams.de>
To: Ben Hutchings <ben.hutchings@codethink.co.uk>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>,
Linux MMC List <linux-mmc@vger.kernel.org>,
linux-renesas-soc@vger.kernel.org
Subject: Re: [PATCH v2 2/9] mmc: tmio, sh_mobile_sdhi: Add support for variable input clock frequency
Date: Sun, 17 Apr 2016 14:49:03 +0200 [thread overview]
Message-ID: <20160417124902.GB4954@katana> (raw)
In-Reply-To: <20160415204156.GB3105@katana>
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On Fri, Apr 15, 2016 at 10:41:57PM +0200, Wolfram Sang wrote:
> > > That seems like a bug in the clock driver. If it doesn't have
> > > independent dividers for each clock client then it shouldn't allow any
> > > client to change the frequency.
>
> So, we need MSTP clocks which do not use CLK_SET_RATE_PARENT on r8a7740.
> Probably the best way is to use the "renesas,r8a7740-mstp-clocks"
> compatible entry to determine the difference? Geert?
Well, I like the idea of a virtual sd clock even better. I sent a series
doing that a minute ago to the renesas-soc list.
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next prev parent reply other threads:[~2016-04-17 12:49 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-04-01 15:44 [PATCH v2 0/9] r8a7790: add UHS-I (SDR50) support to Lager Wolfram Sang
2016-04-01 15:44 ` [PATCH v2 1/9] mmc: tmio, sh_mobile_sdhi: Pass tmio_mmc_host ptr to clk_{enable,disable} ops Wolfram Sang
2016-04-01 15:44 ` [PATCH v2 2/9] mmc: tmio, sh_mobile_sdhi: Add support for variable input clock frequency Wolfram Sang
2016-04-12 12:55 ` Geert Uytterhoeven
2016-04-12 16:19 ` Ben Hutchings
2016-04-15 20:28 ` Wolfram Sang
2016-04-15 20:41 ` Wolfram Sang
2016-04-17 12:49 ` Wolfram Sang [this message]
2016-04-18 7:33 ` Geert Uytterhoeven
2016-04-26 10:18 ` Geert Uytterhoeven
2016-04-26 17:00 ` Wolfram Sang
2016-04-01 15:44 ` [PATCH v2 3/9] mmc: tmio: Add UHS-I mode support Wolfram Sang
2016-08-16 18:05 ` Geert Uytterhoeven
2016-08-16 19:55 ` Wolfram Sang
2016-08-16 20:21 ` Geert Uytterhoeven
2016-08-17 19:08 ` Wolfram Sang
2016-08-17 20:17 ` Geert Uytterhoeven
2016-08-18 18:41 ` Wolfram Sang
2016-08-23 12:34 ` Geert Uytterhoeven
2016-04-01 15:44 ` [PATCH v2 4/9] mmc: tmio: always start clock after frequency calculation Wolfram Sang
2016-04-01 15:44 ` [PATCH v2 5/9] mmc: tmio: stop clock when 0Hz is requested Wolfram Sang
2016-04-01 15:44 ` [PATCH v2 6/9] mmc: host: add note that set_ios needs to handle 0Hz properly Wolfram Sang
2016-04-01 15:44 ` [PATCH v2 7/9] mmc: sh_mobile_sdhi: Add UHS-I mode support Wolfram Sang
2016-04-04 15:04 ` Ulf Hansson
2016-04-04 15:17 ` Wolfram Sang
2016-04-04 15:52 ` Ulf Hansson
2016-04-04 15:56 ` Wolfram Sang
2016-04-01 15:44 ` [PATCH v2 8/9] ARM: shmobile: r8a7790: Set maximum frequencies for SDHI clocks Wolfram Sang
2016-04-01 15:44 ` [PATCH v2 9/9] ARM: shmobile: r8a7790: lager: Enable UHS-I SDR-50 Wolfram Sang
2016-04-06 0:56 ` [v2,9/9] " Simon Horman
2016-04-06 6:38 ` Geert Uytterhoeven
2016-04-06 7:13 ` Simon Horman
2016-04-04 15:08 ` [PATCH v2 0/9] r8a7790: add UHS-I (SDR50) support to Lager Ulf Hansson
2016-04-04 15:21 ` Wolfram Sang
2016-04-05 11:12 ` Ulf Hansson
2016-04-05 11:19 ` Wolfram Sang
2016-04-06 0:56 ` Simon Horman
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