diff options
Diffstat (limited to 'bsp/meta-altera/recipes-bsp/u-boot/files/v2019.07/0007-mmc-dwmmc-Enable-small-delay-before-returning-error.patch')
| -rw-r--r-- | bsp/meta-altera/recipes-bsp/u-boot/files/v2019.07/0007-mmc-dwmmc-Enable-small-delay-before-returning-error.patch | 60 |
1 files changed, 0 insertions, 60 deletions
diff --git a/bsp/meta-altera/recipes-bsp/u-boot/files/v2019.07/0007-mmc-dwmmc-Enable-small-delay-before-returning-error.patch b/bsp/meta-altera/recipes-bsp/u-boot/files/v2019.07/0007-mmc-dwmmc-Enable-small-delay-before-returning-error.patch deleted file mode 100644 index 8da5892c..00000000 --- a/bsp/meta-altera/recipes-bsp/u-boot/files/v2019.07/0007-mmc-dwmmc-Enable-small-delay-before-returning-error.patch +++ /dev/null @@ -1,60 +0,0 @@ -From 17366d3b46cf70a8fa4d807519790ef4b1b03772 Mon Sep 17 00:00:00 2001 -From: "Ang, Chee Hong" <chee.hong.ang@intel.com> -Date: Wed, 30 Jan 2019 21:47:36 -0800 -Subject: [PATCH 07/12] mmc: dwmmc: Enable small delay before returning error - -'SET_BLOCKLEN' may occasionally fail on first attempt. -This patch enable a small delay in dwmci_send_cmd() on -busy, I/O or CRC error to allow the MMC controller recovers -from the failure/error on subsequent retries. - -Signed-off-by: Ang, Chee Hong <chee.hong.ang@intel.com> ---- - drivers/mmc/dw_mmc.c | 14 ++++++++++---- - 1 file changed, 10 insertions(+), 4 deletions(-) - -diff --git a/drivers/mmc/dw_mmc.c b/drivers/mmc/dw_mmc.c -index 1992d61182..8b9c6a8e60 100644 ---- a/drivers/mmc/dw_mmc.c -+++ b/drivers/mmc/dw_mmc.c -@@ -294,8 +294,11 @@ static int dwmci_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd, - if (data) - flags = dwmci_set_transfer_mode(host, data); - -- if ((cmd->resp_type & MMC_RSP_136) && (cmd->resp_type & MMC_RSP_BUSY)) -- return -1; -+ if ((cmd->resp_type & MMC_RSP_136) && -+ (cmd->resp_type & MMC_RSP_BUSY)) { -+ ret = -1; -+ goto delay_ret; -+ } - - if (cmd->cmdidx == MMC_CMD_STOP_TRANSMISSION) - flags |= DWMCI_CMD_ABORT_STOP; -@@ -344,11 +347,13 @@ static int dwmci_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd, - return -ETIMEDOUT; - } else if (mask & DWMCI_INTMSK_RE) { - debug("%s: Response Error.\n", __func__); -- return -EIO; -+ ret = -EIO; -+ goto delay_ret; - } else if ((cmd->resp_type & MMC_RSP_CRC) && - (mask & DWMCI_INTMSK_RCRC)) { - debug("%s: Response CRC Error.\n", __func__); -- return -EIO; -+ ret = -EIO; -+ goto delay_ret; - } - - -@@ -387,6 +392,7 @@ static int dwmci_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd, - } - } - -+delay_ret: - udelay(100); - - return ret; --- -2.21.0 - |