[U-Boot] [PATCH 2/5] mx6qarm2: Fix error handling in board_mmc_init()
Fabio Estevam
festevam at gmail.com
Thu Nov 20 19:35:17 CET 2014
From: Fabio Estevam <fabio.estevam at freescale.com>
When an invalid USDHC port is passed we should return -EINVAL instead of 0.
Also, return the error immediately on fsl_esdhc_initialize() failure.
Signed-off-by: Fabio Estevam <fabio.estevam at freescale.com>
---
board/freescale/mx6qarm2/mx6qarm2.c | 10 ++++++----
1 file changed, 6 insertions(+), 4 deletions(-)
diff --git a/board/freescale/mx6qarm2/mx6qarm2.c b/board/freescale/mx6qarm2/mx6qarm2.c
index 667dca5..3a5b26d 100644
--- a/board/freescale/mx6qarm2/mx6qarm2.c
+++ b/board/freescale/mx6qarm2/mx6qarm2.c
@@ -125,7 +125,7 @@ int board_mmc_getcd(struct mmc *mmc)
int board_mmc_init(bd_t *bis)
{
- s32 status = 0;
+ int ret;
u32 index = 0;
usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
@@ -145,13 +145,15 @@ int board_mmc_init(bd_t *bis)
printf("Warning: you configured more USDHC controllers"
"(%d) then supported by the board (%d)\n",
index + 1, CONFIG_SYS_FSL_USDHC_NUM);
- return status;
+ return -EINVAL;
}
- status |= fsl_esdhc_initialize(bis, &usdhc_cfg[index]);
+ ret = fsl_esdhc_initialize(bis, &usdhc_cfg[index]);
+ if (ret)
+ return ret;
}
- return status;
+ return 0;
}
#endif
--
1.9.1
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