From 72119aa14a1c81b5dd2996fc86c80f8d0e2c456d Mon Sep 17 00:00:00 2001
From: Marek Vasut <marek.vasut@gmail.com>
Date: Fri, 31 May 2019 15:22:44 +0200
Subject: [PATCH] mmc: Avoid HS400 mode when accessing boot partitions
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>
---
drivers/mmc/mmc.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c
index 456c1b4cc9..71b52c6cf2 100644
--- a/drivers/mmc/mmc.c
+++ b/drivers/mmc/mmc.c
@@ -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",
--
2.39.5