diff options
| author | Kunihiko Hayashi <hayashi.kunihiko@socionext.com> | 2022-09-09 16:23:32 +0900 |
|---|---|---|
| committer | Jaehoon Chung <jh80.chung@samsung.com> | 2022-10-24 18:01:23 +0900 |
| commit | 2b0dd4174f36e1f57f32116e44cb6e0e84fb2c67 (patch) | |
| tree | e52572c1463cbc2df7e2671e05834fdc53a4812c | |
| parent | fc6b5d82607f2c351455a8048a3dbc6169987c13 (diff) | |
| download | u-boot-2b0dd4174f36e1f57f32116e44cb6e0e84fb2c67.tar.gz | |
mmc: sdhci: Add new quirks for SUPPORT_SINGLE
This patch defines a quirk to disable the block count
for single block transactions.
This is similar to Linux kernel commit d3fc5d71ac4d
("mmc: sdhci: add a quirk for single block transactions").
Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
Reviewed-by: Jaehoon Chung <jh80.chung@samsung.com>
| -rw-r--r-- | drivers/mmc/sdhci.c | 8 | ||||
| -rw-r--r-- | include/sdhci.h | 1 |
2 files changed, 6 insertions, 3 deletions
diff --git a/drivers/mmc/sdhci.c b/drivers/mmc/sdhci.c index bf989a594f..a80ad8329a 100644 --- a/drivers/mmc/sdhci.c +++ b/drivers/mmc/sdhci.c @@ -211,7 +211,7 @@ static int sdhci_send_command(struct mmc *mmc, struct mmc_cmd *cmd, unsigned int stat = 0; int ret = 0; int trans_bytes = 0, is_aligned = 1; - u32 mask, flags, mode; + u32 mask, flags, mode = 0; unsigned int time = 0; int mmc_dev = mmc_get_blk_desc(mmc)->devnum; ulong start = get_timer(0); @@ -273,10 +273,12 @@ static int sdhci_send_command(struct mmc *mmc, struct mmc_cmd *cmd, /* Set Transfer mode regarding to data flag */ if (data) { sdhci_writeb(host, 0xe, SDHCI_TIMEOUT_CONTROL); - mode = SDHCI_TRNS_BLK_CNT_EN; + + if (!(host->quirks & SDHCI_QUIRK_SUPPORT_SINGLE)) + mode = SDHCI_TRNS_BLK_CNT_EN; trans_bytes = data->blocks * data->blocksize; if (data->blocks > 1) - mode |= SDHCI_TRNS_MULTI; + mode |= SDHCI_TRNS_MULTI | SDHCI_TRNS_BLK_CNT_EN; if (data->flags == MMC_DATA_READ) mode |= SDHCI_TRNS_READ; diff --git a/include/sdhci.h b/include/sdhci.h index 88f1917480..24b4599b85 100644 --- a/include/sdhci.h +++ b/include/sdhci.h @@ -247,6 +247,7 @@ #define SDHCI_QUIRK_WAIT_SEND_CMD (1 << 6) #define SDHCI_QUIRK_USE_WIDE8 (1 << 8) #define SDHCI_QUIRK_NO_1_8_V (1 << 9) +#define SDHCI_QUIRK_SUPPORT_SINGLE (1 << 10) /* to make gcc happy */ struct sdhci_host; |