diff mbox series

[v2,1/2] mmc: core: Always reselect card type

Message ID 20230929-mmc-caps-v2-1-11a4c2d94f15@axis.com
State New
Headers show
Series mmc: Allow speed modes to be adjusted dynamically | expand

Commit Message

Vincent Whitchurch Sept. 29, 2023, 7:45 a.m. UTC 
We want to allow host caps to be changed dynamically via debugfs, so for
these to have an effect, ensure that the card type reselection is always
applied even if the card is old.

Signed-off-by: Vincent Whitchurch <vincent.whitchurch@axis.com>
---
 drivers/mmc/core/mmc.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c
index 89cd48fcec79..d372e2098ffc 100644
--- a/drivers/mmc/core/mmc.c
+++ b/drivers/mmc/core/mmc.c
@@ -419,7 +419,6 @@  static int mmc_decode_ext_csd(struct mmc_card *card, u8 *ext_csd)
 
 	card->ext_csd.strobe_support = ext_csd[EXT_CSD_STROBE_SUPPORT];
 	card->ext_csd.raw_card_type = ext_csd[EXT_CSD_CARD_TYPE];
-	mmc_select_card_type(card);
 
 	card->ext_csd.raw_s_a_timeout = ext_csd[EXT_CSD_S_A_TIMEOUT];
 	card->ext_csd.raw_erase_timeout_mult =
@@ -1732,6 +1731,12 @@  static int mmc_init_card(struct mmc_host *host, u32 ocr,
 		mmc_set_erase_size(card);
 	}
 
+	/*
+	 * Reselect the card type since host caps could have been changed when
+	 * debugging even if the card is not new.
+	 */
+	mmc_select_card_type(card);
+
 	/* Enable ERASE_GRP_DEF. This bit is lost after a reset or power off. */
 	if (card->ext_csd.rev >= 3) {
 		err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL,