mx53evk: 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.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>

diff --git a/board/freescale/mx53evk/mx53evk.c b/board/freescale/mx53evk/mx53evk.c
index 13519e26da28c546fd877cca3927ef59dbba8b04..6ee6d73ed211a72f0210f041117ece304580035f 100644 (file)
--- a/board/freescale/mx53evk/mx53evk.c
+++ b/board/freescale/mx53evk/mx53evk.c
@@ -195,7 +195,7 @@ int board_mmc_init(bd_t *bis)
        };
 
        u32 index;
-       s32 status = 0;
+       int ret;
 
        esdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK);
        esdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
@@ -214,12 +214,14 @@ int board_mmc_init(bd_t *bis)
                        printf("Warning: you configured more ESDHC controller"
                                "(%d) as supported by the board(2)\n",
                                CONFIG_SYS_FSL_ESDHC_NUM);
-                       return status;
+                       return -EINVAL;
                }
-               status |= fsl_esdhc_initialize(bis, &esdhc_cfg[index]);
+               ret = fsl_esdhc_initialize(bis, &esdhc_cfg[index]);
+               if (ret)
+                       return ret;
        }
 
-       return status;
+       return 0;
 }
 #endif