spl_mmc: return error from mmc_load_image_{raw, fat} rather than hanging

So we can instead fallback to doing something else on errors.

Signed-off-by: Peter Korsgaard <peter.korsgaard@barco.com>

diff --git a/common/spl/spl_mmc.c b/common/spl/spl_mmc.c
index 7efdcb8..0c50657 100644 (file)
--- a/common/spl/spl_mmc.c
+++ b/common/spl/spl_mmc.c
@@ -32,7 +32,7 @@
 
 DECLARE_GLOBAL_DATA_PTR;
 
-static void mmc_load_image_raw(struct mmc *mmc)
+static int mmc_load_image_raw(struct mmc *mmc)
 {
        unsigned long err;
        u32 image_size_sectors;
@@ -61,14 +61,14 @@ static void mmc_load_image_raw(struct mmc *mmc)
                        image_size_sectors, (void *)spl_image.load_addr);
 
 end:
-       if (err == 0) {
+       if (err == 0)
                printf("spl: mmc blk read err - %lu\n", err);
-               hang();
-       }
+
+       return (err == 0);
 }
 
 #ifdef CONFIG_SPL_FAT_SUPPORT
-static void mmc_load_image_fat(struct mmc *mmc)
+static int mmc_load_image_fat(struct mmc *mmc)
 {
        int err;
        struct image_header *header;
@@ -94,11 +94,11 @@ static void mmc_load_image_fat(struct mmc *mmc)
                                (u8 *)spl_image.load_addr, 0);
 
 end:
-       if (err <= 0) {
+       if (err <= 0)
                printf("spl: error reading image %s, err - %d\n",
                        CONFIG_SPL_FAT_LOAD_PAYLOAD_NAME, err);
-               hang();
-       }
+
+       return (err <= 0);
 }
 #endif
 
@@ -121,17 +121,21 @@ void spl_mmc_load_image(void)
                printf("spl: mmc init failed: err - %d\n", err);
                hang();
        }
+
        boot_mode = spl_boot_mode();
        if (boot_mode == MMCSD_MODE_RAW) {
                debug("boot mode - RAW\n");
-               mmc_load_image_raw(mmc);
+               err = mmc_load_image_raw(mmc);
 #ifdef CONFIG_SPL_FAT_SUPPORT
        } else if (boot_mode == MMCSD_MODE_FAT) {
                debug("boot mode - FAT\n");
-               mmc_load_image_fat(mmc);
+               err = mmc_load_image_fat(mmc);
 #endif
        } else {
                puts("spl: wrong MMC boot mode\n");
                hang();
        }
+
+       if (err)
+               hang();
 }