mmc: stm32_sdmmc2: increase polling status register delay

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>

diff --git a/drivers/mmc/stm32_sdmmc2.c b/drivers/mmc/stm32_sdmmc2.c
index 0bf7135b4ff2ffcfa33d4486565600f382ea3de2..5e43397f8edfe025e3fe6a614801ec372aebeef7 100644 (file)
--- 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__);