From: Heiner Kallweit Date: Sat, 4 Mar 2017 12:37:46 +0000 (+0100) Subject: mmc: meson-gx: replace magic timeout numbers with constants X-Git-Tag: v4.14-rc1~1024^2~131 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=bb11eff1f1820b9f3bf6578af18b3d18094e7f54;p=platform%2Fkernel%2Flinux-rpi.git mmc: meson-gx: replace magic timeout numbers with constants Replace timeout magic numbers with proper constants. Signed-off-by: Heiner Kallweit Acked-by: Kevin Hilman Tested-by: Kevin Hilman Signed-off-by: Ulf Hansson --- diff --git a/drivers/mmc/host/meson-gx-mmc.c b/drivers/mmc/host/meson-gx-mmc.c index d1826cf..6259763 100644 --- a/drivers/mmc/host/meson-gx-mmc.c +++ b/drivers/mmc/host/meson-gx-mmc.c @@ -116,6 +116,8 @@ #define SD_EMMC_CFG_BLK_SIZE 512 /* internal buffer max: 512 bytes */ #define SD_EMMC_CFG_RESP_TIMEOUT 256 /* in clock cycles */ +#define SD_EMMC_CMD_TIMEOUT 1024 /* in ms */ +#define SD_EMMC_CMD_TIMEOUT_DATA 4096 /* in ms */ #define SD_EMMC_CFG_CMD_GAP 16 /* in clock cycles */ #define MUX_CLK_NUM_PARENTS 2 @@ -498,10 +500,10 @@ static void meson_mmc_start_cmd(struct mmc_host *mmc, struct mmc_command *cmd) desc->cmd_data = host->bounce_dma_addr & CMD_DATA_MASK; - cmd_cfg_timeout = 12; + cmd_cfg_timeout = ilog2(SD_EMMC_CMD_TIMEOUT_DATA); } else { desc->cmd_cfg &= ~CMD_CFG_DATA_IO; - cmd_cfg_timeout = 10; + cmd_cfg_timeout = ilog2(SD_EMMC_CMD_TIMEOUT); } desc->cmd_cfg |= (cmd_cfg_timeout & CMD_CFG_TIMEOUT_MASK) << CMD_CFG_TIMEOUT_SHIFT;