Hi Niklas,
On Tue, Jul 17, 2018 at 04:52:16PM +0200, Niklas Söderlund wrote:
> From: Masaharu Hayakawa <masaharu.hayakawa.ry@xxxxxxxxxxx>
>
> Checking for SCC error during retuning is unnecessary.
>
> Signed-off-by: Masaharu Hayakawa <masaharu.hayakawa.ry@xxxxxxxxxxx>
> [Niklas: fix small style issue]
> Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@xxxxxxxxxxxx>
> Tested-by: Wolfram Sang <wsa+renesas@xxxxxxxxxxxxxxxxxxxx>
> Reviewed-by: Wolfram Sang <wsa+renesas@xxxxxxxxxxxxxxxxxxxx>
>
> ---
>
> * Changes since v2
> - Added check for HS400 as it's now merged.
> - Added tags from Wolfram.
> ---
> drivers/mmc/host/renesas_sdhi_core.c | 8 ++++++++
> 1 file changed, 8 insertions(+)
>
> diff --git a/drivers/mmc/host/renesas_sdhi_core.c b/drivers/mmc/host/renesas_sdhi_core.c
> index 777e32b0e410e850..a21b347424f67c52 100644
> --- a/drivers/mmc/host/renesas_sdhi_core.c
> +++ b/drivers/mmc/host/renesas_sdhi_core.c
> @@ -444,6 +444,14 @@ static bool renesas_sdhi_check_scc_error(struct tmio_mmc_host *host)
> {
> struct renesas_sdhi *priv = host_to_priv(host);
>
> + if (!(host->mmc->ios.timing == MMC_TIMING_UHS_SDR104) &&
> + !(host->mmc->ios.timing == MMC_TIMING_MMC_HS200) &&
> + !(host->mmc->ios.timing == MMC_TIMING_MMC_HS400))
According to the BSP this needs to differentiate between 4tap and 8tap
variants of HS400 support.
> + return false;
> +
> + if (host->mmc->doing_retune)
> + return false;
> +
> /* Check SCC error */
> if (sd_scc_read32(host, priv, SH_MOBILE_SDHI_SCC_RVSCNTL) &
> SH_MOBILE_SDHI_SCC_RVSCNTL_RVSEN &&
> --
> 2.18.0
>
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