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mmc: stm32_sdmmc2: increase polling status register delay

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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>
This commit is contained in:
Christophe Kerello 2017-10-09 17:02:28 +02:00 committed by Tom Rini
parent 6c1bf6c442
commit 6c36e97be6
1 changed files with 1 additions and 1 deletions
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2
drivers/mmc/stm32_sdmmc2.c
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@ -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__);