tbs2910: Fix error handling in board_mmc_init()

When an invalid USDHC port is passed we should return -EINVAL instead of 0.
Also, return the error immediately on fsl_esdhc_initialize() failure.

Based on similar patches by Fabio Estevam for mx6sabresd, mx53loco, wandboard

Signed-off-by: Soeren Moch <smoch@web.de>
Acked-by: Stefano Babic <sbabic@denx.de>
This commit is contained in:
Soeren Moch 2014-11-20 13:03:32 +01:00 committed by Stefano Babic
parent 593243d3a2
commit 02a32a92d4

View file

@ -219,15 +219,13 @@ int board_mmc_getcd(struct mmc *mmc)
int board_mmc_init(bd_t *bis)
{
s32 status = 0;
int i;
/*
* (U-boot device node) (Physical Port)
* mmc0 SD2
* mmc1 SD3
* mmc2 eMMC
*/
int i, ret;
for (i = 0; i < CONFIG_SYS_FSL_USDHC_NUM; i++) {
switch (i) {
case 0:
@ -251,12 +249,13 @@ int board_mmc_init(bd_t *bis)
printf("Warning: you configured more USDHC controllers"
"(%d) then supported by the board (%d)\n",
i + 1, CONFIG_SYS_FSL_USDHC_NUM);
return status;
return -EINVAL;
}
status |= fsl_esdhc_initialize(bis, &usdhc_cfg[i]);
ret = fsl_esdhc_initialize(bis, &usdhc_cfg[i]);
if (ret)
return ret;
}
return status;
return 0;
}
#endif /* CONFIG_FSL_ESDHC */