Messages in this thread | | | From | Evan Green <> | Date | Mon, 19 Nov 2018 10:50:43 -0800 | Subject | Re: [PATCH V5 2/2] mmc: sdhci-msm: Re-initialize DLL if MCLK is gated dynamically |
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On Sun, Nov 11, 2018 at 10:53 PM Veerabhadrarao Badiganti <vbadigan@codeaurora.org> wrote: > > On few SDHCI-MSM controllers, the host controller's clock tuning > circuit may go out of sync if controller clocks are gated which > eventually will result in data CRC, command CRC/timeout errors. > To overcome this h/w limitation, the DLL needs to be re-initialized > and restored with its old settings once clocks are ungated. > > Signed-off-by: Veerabhadrarao Badiganti <vbadigan@codeaurora.org>
Reviewed-by: Evan Green <evgreen@chromium.org>
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