On Tue, 21 Nov 2017 16:13:08 +0100 Jean-Jacques Hiblot <jjhib...@ti.com> wrote:
> Make sure that those basic capabilities are advertised by the host.
>
> Signed-off-by: Jean-Jacques Hiblot <jjhib...@ti.com>
> ---
> drivers/mmc/mmc.c | 15 ++++++++++-----
> 1 file changed, 10 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c
> index 67f21ff..ec1dc49 100644
> --- a/drivers/mmc/mmc.c
> +++ b/drivers/mmc/mmc.c
> @@ -1587,10 +1587,10 @@ static int sd_select_mode_and_width(struct
> mmc *mmc, uint card_caps) uint caps;
>
> mmc_dump_capabilities("sd card", card_caps);
> - mmc_dump_capabilities("host", mmc->host_caps |
> MMC_MODE_1BIT);
> + mmc_dump_capabilities("host", mmc->host_caps);
>
> /* Restrict card's capabilities by what the host can do */
> - caps = card_caps & (mmc->host_caps | MMC_MODE_1BIT);
> + caps = card_caps & mmc->host_caps;
>
> if (!uhs_en)
> caps &= ~UHS_CAPS;
> @@ -1771,10 +1771,10 @@ static int mmc_select_mode_and_width(struct
> mmc *mmc, uint card_caps) const struct ext_csd_bus_width *ecbw;
>
> mmc_dump_capabilities("mmc", card_caps);
> - mmc_dump_capabilities("host", mmc->host_caps |
> MMC_MODE_1BIT);
> + mmc_dump_capabilities("host", mmc->host_caps);
>
> /* Restrict card's capabilities by what the host can do */
> - card_caps &= (mmc->host_caps | MMC_MODE_1BIT);
> + card_caps &= mmc->host_caps;
>
> /* Only version 4 of MMC supports wider bus widths */
> if (mmc->version < MMC_VERSION_4)
> @@ -2389,7 +2389,12 @@ int mmc_start_init(struct mmc *mmc)
> bool uhs_en = supports_uhs(mmc->cfg->host_caps);
> int err;
>
> - mmc->host_caps = mmc->cfg->host_caps;
> + /*
> + * all hosts are capable of 1 bit bus-width and able to use
> the legacy
> + * timings.
> + */
> + mmc->host_caps = mmc->cfg->host_caps | MMC_CAP(SD_LEGACY) |
> + MMC_CAP(MMC_LEGACY) | MMC_MODE_1BIT;
>
> /* we pretend there's no card when init is NULL */
> no_card = mmc_getcd(mmc) == 0;
Reviewed-by: Lukasz Majewski <lu...@denx.de>
Best regards,
Lukasz Majewski
--
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