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mmc: dwmmc: return a proper error code when busy

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When failing to send a command because the hardware is busy, return
EBUSY to indicate the cause instead of just -1.

Signed-off-by: John Keeping <john@metanate.com>
Reviewed-by: Jaehoon Chung <jh80.chung@samsung.com>
This commit is contained in:
John Keeping 2021-12-07 16:09:35 +00:00 committed by Jaehoon Chung
parent b2acee4bb0
commit 66d0b7e1f2
1 changed files with 1 additions and 1 deletions
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2
drivers/mmc/dw_mmc.c
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@ -301,7 +301,7 @@ static int dwmci_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd,
flags = dwmci_set_transfer_mode(host, data); flags = dwmci_set_transfer_mode(host, data);
if ((cmd->resp_type & MMC_RSP_136) && (cmd->resp_type & MMC_RSP_BUSY)) if ((cmd->resp_type & MMC_RSP_136) && (cmd->resp_type & MMC_RSP_BUSY))
return -1; return -EBUSY;
if (cmd->cmdidx == MMC_CMD_STOP_TRANSMISSION) if (cmd->cmdidx == MMC_CMD_STOP_TRANSMISSION)
flags |= DWMCI_CMD_ABORT_STOP; flags |= DWMCI_CMD_ABORT_STOP;