mmc: drop unnecessary send_status request

It's redundant to send cmd13 after cmd9 whose response is not R1b. The
card devices will not be busy w/ cmd9.

Signed-off-by: Ziyuan Xu <xzy.xu@rock-chips.com>

diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c
index 3648950cf5a3fc39cb736b01eafa1b82308ff14c..72fc17716ea2262bf9260f36d95de3cbfe841c6e 100644 (file)
--- a/drivers/mmc/mmc.c
+++ b/drivers/mmc/mmc.c
@@ -1111,7 +1111,6 @@ static int mmc_startup(struct mmc *mmc)
        struct mmc_cmd cmd;
        ALLOC_CACHE_ALIGN_BUFFER(u8, ext_csd, MMC_MAX_BLOCK_LEN);
        ALLOC_CACHE_ALIGN_BUFFER(u8, test_csd, MMC_MAX_BLOCK_LEN);
-       int timeout = 1000;
        bool has_parts = false;
        bool part_completed;
        struct blk_desc *bdesc;
@@ -1167,9 +1166,6 @@ static int mmc_startup(struct mmc *mmc)
 
        err = mmc_send_cmd(mmc, &cmd, NULL);
 
-       /* Waiting for the ready status */
-       mmc_send_status(mmc, timeout);
-
        if (err)
                return err;