Re: [PATCH V3 2/2] mmc: sdhci-msm: Re-initialize DLL if MCLK is gated dynamically

[Evan Green]

On Thu, Nov 1, 2018 at 5:08 AM Veerabhadrarao Badiganti
<vbadigan@xxxxxxxxxxxxxx> 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@xxxxxxxxxxxxxx>
> ---
>  drivers/mmc/host/sdhci-msm.c | 59 ++++++++++++++++++++++++++++++++++++++++++--
>  1 file changed, 57 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/mmc/host/sdhci-msm.c b/drivers/mmc/host/sdhci-msm.c

Reviewed-by: Evan Green <evgreen@xxxxxxxxxxxx>