* [U-Boot] [PATCH 1/1] mmc: stm32_sdmmc2: increase polling status register delay
@ 2017-10-09 15:02 patrice.chotard at st.com
2017-10-17 0:47 ` [U-Boot] [U-Boot, " Tom Rini
0 siblings, 1 reply; 2+ messages in thread
From: patrice.chotard at st.com @ 2017-10-09 15:02 UTC (permalink / raw)
To: u-boot
From: Christophe Kerello <christophe.kerello@st.com>
MMC commands like MMC_CMD_ALL_SEND_CID or MMC_CMD_SEND_CSD can reach
500 us. This patch increases the polling status register delay to avoid
a timeout on a command.
Signed-off-by: Christophe Kerello <christophe.kerello@st.com>
Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
---
drivers/mmc/stm32_sdmmc2.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/mmc/stm32_sdmmc2.c b/drivers/mmc/stm32_sdmmc2.c
index 0e1f40b..fd49d42 100644
--- a/drivers/mmc/stm32_sdmmc2.c
+++ b/drivers/mmc/stm32_sdmmc2.c
@@ -276,7 +276,7 @@ static int stm32_sdmmc2_end_cmd(struct stm32_sdmmc2_priv *priv,
/* Polling status register */
ret = readl_poll_timeout(priv->base + SDMMC_STA, status, status & mask,
- 300);
+ 10000);
if (ret < 0) {
debug("%s: timeout reading SDMMC_STA register\n", __func__);
--
1.9.1
^ permalink raw reply related [flat|nested] 2+ messages in thread
* [U-Boot] [U-Boot, 1/1] mmc: stm32_sdmmc2: increase polling status register delay
2017-10-09 15:02 [U-Boot] [PATCH 1/1] mmc: stm32_sdmmc2: increase polling status register delay patrice.chotard at st.com
@ 2017-10-17 0:47 ` Tom Rini
0 siblings, 0 replies; 2+ messages in thread
From: Tom Rini @ 2017-10-17 0:47 UTC (permalink / raw)
To: u-boot
On Mon, Oct 09, 2017 at 05:02:28PM +0200, patrice.chotard at st.com wrote:
> From: Christophe Kerello <christophe.kerello@st.com>
>
> MMC commands like MMC_CMD_ALL_SEND_CID or MMC_CMD_SEND_CSD can reach
> 500 us. This patch increases the polling status register delay to avoid
> a timeout on a command.
>
> Signed-off-by: Christophe Kerello <christophe.kerello@st.com>
> Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
Applied to u-boot/master, thanks!
--
Tom
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2017-10-09 15:02 [U-Boot] [PATCH 1/1] mmc: stm32_sdmmc2: increase polling status register delay patrice.chotard at st.com
2017-10-17 0:47 ` [U-Boot] [U-Boot, " Tom Rini
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