75 lines
2.2 KiB
Diff
75 lines
2.2 KiB
Diff
Revert "mmc: core: Set HS clock speed before sending HS CMD13"
|
|
|
|
This reverts commit 4bc31edebde51fcf8ad0794763b8679a7ecb5ec0.
|
|
|
|
---
|
|
drivers/mmc/core/mmc.c | 23 ++++-------------------
|
|
1 file changed, 4 insertions(+), 19 deletions(-)
|
|
|
|
diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c
|
|
index 89cd48fc..a776ac64 100644
|
|
--- a/drivers/mmc/core/mmc.c
|
|
+++ b/drivers/mmc/core/mmc.c
|
|
@@ -1391,17 +1391,13 @@ static int mmc_select_hs400es(struct mmc_card *card)
|
|
goto out_err;
|
|
}
|
|
|
|
- /*
|
|
- * Bump to HS timing and frequency. Some cards don't handle
|
|
- * SEND_STATUS reliably at the initial frequency.
|
|
- */
|
|
mmc_set_timing(host, MMC_TIMING_MMC_HS);
|
|
- mmc_set_bus_speed(card);
|
|
-
|
|
err = mmc_switch_status(card, true);
|
|
if (err)
|
|
goto out_err;
|
|
|
|
+ mmc_set_clock(host, card->ext_csd.hs_max_dtr);
|
|
+
|
|
/* Switch card to DDR with strobe bit */
|
|
val = EXT_CSD_DDR_BUS_WIDTH_8 | EXT_CSD_BUS_WIDTH_STROBE;
|
|
err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL,
|
|
@@ -1459,7 +1455,7 @@ static int mmc_select_hs400es(struct mmc_card *card)
|
|
static int mmc_select_hs200(struct mmc_card *card)
|
|
{
|
|
struct mmc_host *host = card->host;
|
|
- unsigned int old_timing, old_signal_voltage, old_clock;
|
|
+ unsigned int old_timing, old_signal_voltage;
|
|
int err = -EINVAL;
|
|
u8 val;
|
|
|
|
@@ -1490,17 +1486,8 @@ static int mmc_select_hs200(struct mmc_card *card)
|
|
false, true, MMC_CMD_RETRIES);
|
|
if (err)
|
|
goto err;
|
|
-
|
|
- /*
|
|
- * Bump to HS timing and frequency. Some cards don't handle
|
|
- * SEND_STATUS reliably at the initial frequency.
|
|
- * NB: We can't move to full (HS200) speeds until after we've
|
|
- * successfully switched over.
|
|
- */
|
|
old_timing = host->ios.timing;
|
|
- old_clock = host->ios.clock;
|
|
mmc_set_timing(host, MMC_TIMING_MMC_HS200);
|
|
- mmc_set_clock(card->host, card->ext_csd.hs_max_dtr);
|
|
|
|
/*
|
|
* For HS200, CRC errors are not a reliable way to know the
|
|
@@ -1513,10 +1500,8 @@ static int mmc_select_hs200(struct mmc_card *card)
|
|
* mmc_select_timing() assumes timing has not changed if
|
|
* it is a switch error.
|
|
*/
|
|
- if (err == -EBADMSG) {
|
|
- mmc_set_clock(host, old_clock);
|
|
+ if (err == -EBADMSG)
|
|
mmc_set_timing(host, old_timing);
|
|
- }
|
|
}
|
|
err:
|
|
if (err) {
|
|
--
|
|
2.34.1
|
|
|