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mmc: Avoid HS400 mode when accessing boot partitions

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U-Boot code currently only applies this restriction to HS200 mode,
extend this to HS400 mode as well.

Currently U-Boot code not support accessing boot partition in HS200/400
mode. This needs more check.

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Jean-Jacques Hiblot <jjhiblot@ti.com>
Cc: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
Cc: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
This commit is contained in:
Marek Vasut 2019-05-31 15:22:44 +02:00 committed by Peng Fan
parent 77f6e2dd05
commit 72119aa14a
1 changed files with 2 additions and 2 deletions
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4
drivers/mmc/mmc.c
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@ -905,14 +905,14 @@ static int mmc_set_capacity(struct mmc *mmc, int part_num)
return 0;
}
#if CONFIG_IS_ENABLED(MMC_HS200_SUPPORT)
#if CONFIG_IS_ENABLED(MMC_HS200_SUPPORT) || CONFIG_IS_ENABLED(MMC_HS400_SUPPORT)
static int mmc_boot_part_access_chk(struct mmc *mmc, unsigned int part_num)
{
int forbidden = 0;
bool change = false;
if (part_num & PART_ACCESS_MASK)
forbidden = MMC_CAP(MMC_HS_200);
forbidden = MMC_CAP(MMC_HS_200) | MMC_CAP(MMC_HS_400);
if (MMC_CAP(mmc->selected_mode) & forbidden) {
pr_debug("selected mode (%s) is forbidden for part %d\n",