From: John Keeping <john@metanate.com>
Date: Tue, 7 Dec 2021 16:09:35 +0000 (+0000)
Subject: mmc: dwmmc: return a proper error code when busy
X-Git-Tag: v2025.01-rc5-pxa1908~1590^2~1
X-Git-Url: http://git.dujemihanovic.xyz/?a=commitdiff_plain;h=66d0b7e1f2bdcfbb7a64a0ffc1fd63617b8dd995;p=u-boot.git

mmc: dwmmc: return a proper error code when busy

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>
---

diff --git a/drivers/mmc/dw_mmc.c b/drivers/mmc/dw_mmc.c
index a949dad574..4232c5eb8c 100644
--- a/drivers/mmc/dw_mmc.c
+++ b/drivers/mmc/dw_mmc.c
@@ -301,7 +301,7 @@ static int dwmci_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd,
 		flags = dwmci_set_transfer_mode(host, data);
 
 	if ((cmd->resp_type & MMC_RSP_136) && (cmd->resp_type & MMC_RSP_BUSY))
-		return -1;
+		return -EBUSY;
 
 	if (cmd->cmdidx == MMC_CMD_STOP_TRANSMISSION)
 		flags |= DWMCI_CMD_ABORT_STOP;