Use 'ret' as the return code, since it may not be an error and this is the common name in U-Boot. Make sure to return the error code when given, rather than transforming it into -1 (-EPERM).
Signed-off-by: Simon Glass sjg@chromium.org ---
Changes in v2: - Update 'return ret' to 'return 0' when ret is known to be 0
common/spl/spl_mmc.c | 129 ++++++++++++++++++++++--------------------- 1 file changed, 65 insertions(+), 64 deletions(-)
diff --git a/common/spl/spl_mmc.c b/common/spl/spl_mmc.c index ddc85aaeda7..bc6087e88cd 100644 --- a/common/spl/spl_mmc.c +++ b/common/spl/spl_mmc.c @@ -52,7 +52,7 @@ int mmc_load_image_raw_sector(struct spl_image_info *spl_image, ret = spl_load(spl_image, bootdev, &load, 0, sector << bd->log2blksz); if (ret) { puts("mmc_load_image_raw_sector: mmc block read error\n"); - return -1; + return ret; }
return 0; @@ -75,27 +75,27 @@ static int spl_mmc_get_device_index(u32 boot_device)
static int spl_mmc_find_device(struct mmc **mmcp, u32 boot_device) { - int err, mmc_dev; + int ret, mmc_dev;
mmc_dev = spl_mmc_get_device_index(boot_device); if (mmc_dev < 0) return mmc_dev;
#if CONFIG_IS_ENABLED(DM_MMC) - err = mmc_init_device(mmc_dev); + ret = mmc_init_device(mmc_dev); #else - err = mmc_initialize(NULL); + ret = mmc_initialize(NULL); #endif /* DM_MMC */ - if (err) { - printf("spl: could not initialize mmc. error: %d\n", err); - return err; + if (ret) { + printf("spl: could not initialize mmc. error: %d\n", ret); + return ret; } *mmcp = find_mmc_device(mmc_dev); - err = *mmcp ? 0 : -ENODEV; - if (err) { + ret = *mmcp ? 0 : -ENODEV; + if (ret) { printf("spl: could not find mmc device %d. error: %d\n", - mmc_dev, err); - return err; + mmc_dev, ret); + return ret; }
return 0; @@ -108,14 +108,14 @@ static int mmc_load_image_raw_partition(struct spl_image_info *spl_image, unsigned long sector) { struct disk_partition info; - int err; + int ret;
#ifdef CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_USE_PARTITION_TYPE int type_part; /* Only support MBR so DOS_ENTRY_NUMBERS */ for (type_part = 1; type_part <= DOS_ENTRY_NUMBERS; type_part++) { - err = part_get_info(mmc_get_blk_desc(mmc), type_part, &info); - if (err) + ret = part_get_info(mmc_get_blk_desc(mmc), type_part, &info); + if (ret) continue; if (info.sys_ind == CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION_TYPE) { @@ -125,10 +125,10 @@ static int mmc_load_image_raw_partition(struct spl_image_info *spl_image, } #endif
- err = part_get_info(mmc_get_blk_desc(mmc), partition, &info); - if (err) { + ret = part_get_info(mmc_get_blk_desc(mmc), partition, &info); + if (ret) { puts("spl: partition error\n"); - return -err; + return ret; }
#ifdef CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_USE_SECTOR @@ -155,7 +155,7 @@ static int mmc_load_image_raw_os(struct spl_image_info *spl_image, (void *)CONFIG_SPL_PAYLOAD_ARGS_ADDR); if (count != CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTORS) { puts("mmc_load_image_raw_os: mmc block read error\n"); - return -1; + return -EIO; } #endif /* CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTOR */
@@ -193,7 +193,7 @@ static int spl_mmc_do_fs_boot(struct spl_image_info *spl_image, struct mmc *mmc, const char *filename) { - int err = -ENOSYS; + int ret = -ENOSYS;
__maybe_unused int partition = CONFIG_SYS_MMCSD_FS_BOOT_PARTITION;
@@ -202,8 +202,8 @@ static int spl_mmc_do_fs_boot(struct spl_image_info *spl_image, struct disk_partition info; debug("Checking for the first MBR bootable partition\n"); for (int type_part = 1; type_part <= DOS_ENTRY_NUMBERS; type_part++) { - err = part_get_info(mmc_get_blk_desc(mmc), type_part, &info); - if (err) + ret = part_get_info(mmc_get_blk_desc(mmc), type_part, &info); + if (ret) continue; debug("Partition %d is of type %d and bootable=%d\n", type_part, info.sys_ind, info.bootable); if (info.bootable != 0) { @@ -221,40 +221,40 @@ static int spl_mmc_do_fs_boot(struct spl_image_info *spl_image,
#ifdef CONFIG_SPL_FS_FAT if (!spl_start_uboot()) { - err = spl_load_image_fat_os(spl_image, bootdev, mmc_get_blk_desc(mmc), - partition); - if (!err) - return err; + ret = spl_load_image_fat_os(spl_image, bootdev, mmc_get_blk_desc(mmc), + partition); + if (!ret) + return 0; } #ifdef CONFIG_SPL_FS_LOAD_PAYLOAD_NAME - err = spl_load_image_fat(spl_image, bootdev, mmc_get_blk_desc(mmc), + ret = spl_load_image_fat(spl_image, bootdev, mmc_get_blk_desc(mmc), partition, filename); - if (!err) - return err; + if (!ret) + return ret; #endif #endif #ifdef CONFIG_SPL_FS_EXT4 if (!spl_start_uboot()) { - err = spl_load_image_ext_os(spl_image, bootdev, mmc_get_blk_desc(mmc), - partition); - if (!err) - return err; + ret = spl_load_image_ext_os(spl_image, bootdev, mmc_get_blk_desc(mmc), + partition); + if (!ret) + return 0; } #ifdef CONFIG_SPL_FS_LOAD_PAYLOAD_NAME - err = spl_load_image_ext(spl_image, bootdev, mmc_get_blk_desc(mmc), + ret = spl_load_image_ext(spl_image, bootdev, mmc_get_blk_desc(mmc), partition, filename); - if (!err) - return err; + if (!ret) + return 0; #endif #endif
#if defined(CONFIG_SPL_FS_FAT) || defined(CONFIG_SPL_FS_EXT4) - err = -ENOENT; + ret = -ENOENT; #endif
- return err; + return ret; } #endif
@@ -342,73 +342,74 @@ int spl_mmc_load(struct spl_image_info *spl_image, unsigned long raw_sect) { u32 boot_mode; - int err = 0; + int ret = 0; __maybe_unused int part = 0; int mmc_dev;
/* Perform peripheral init only once for an mmc device */ mmc_dev = spl_mmc_get_device_index(bootdev->boot_device); if (!mmc || spl_mmc_get_mmc_devnum(mmc) != mmc_dev) { - err = spl_mmc_find_device(&mmc, bootdev->boot_device); - if (err) - return err; + ret = spl_mmc_find_device(&mmc, bootdev->boot_device); + if (ret) + return ret;
- err = mmc_init(mmc); - if (err) { + ret = mmc_init(mmc); + if (ret) { mmc = NULL; - printf("spl: mmc init failed with error: %d\n", err); - return err; + printf("spl: mmc init failed with error: %d\n", ret); + return ret; } }
boot_mode = spl_mmc_boot_mode(mmc, bootdev->boot_device); - err = -EINVAL; + ret = -EINVAL; switch (boot_mode) { case MMCSD_MODE_EMMCBOOT: part = spl_mmc_emmc_boot_partition(mmc);
if (CONFIG_IS_ENABLED(MMC_TINY)) - err = mmc_switch_part(mmc, part); + ret = mmc_switch_part(mmc, part); else - err = blk_dselect_hwpart(mmc_get_blk_desc(mmc), part); + ret = blk_dselect_hwpart(mmc_get_blk_desc(mmc), part);
- if (err) { + if (ret) { puts("spl: mmc partition switch failed\n"); - return err; + return ret; } /* Fall through */ case MMCSD_MODE_RAW: debug("spl: mmc boot mode: raw\n");
if (!spl_start_uboot()) { - err = mmc_load_image_raw_os(spl_image, bootdev, mmc); - if (!err) - return err; + ret = mmc_load_image_raw_os(spl_image, bootdev, mmc); + if (!ret) + return 0; }
raw_sect = spl_mmc_get_uboot_raw_sector(mmc, raw_sect);
#ifdef CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_USE_PARTITION - err = mmc_load_image_raw_partition(spl_image, bootdev, + ret = mmc_load_image_raw_partition(spl_image, bootdev, mmc, raw_part, raw_sect); - if (!err) - return err; + if (!ret) + return 0; #endif #ifdef CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_USE_SECTOR - err = mmc_load_image_raw_sector(spl_image, bootdev, mmc, - raw_sect + spl_mmc_raw_uboot_offset(part)); - if (!err) - return err; + ret = mmc_load_image_raw_sector(spl_image, bootdev, mmc, + raw_sect + + spl_mmc_raw_uboot_offset(part)); + if (!ret) + return 0; #endif /* If RAW mode fails, try FS mode. */ #ifdef CONFIG_SYS_MMCSD_FS_BOOT case MMCSD_MODE_FS: debug("spl: mmc boot mode: fs\n");
- err = spl_mmc_do_fs_boot(spl_image, bootdev, mmc, filename); - if (!err) - return err; + ret = spl_mmc_do_fs_boot(spl_image, bootdev, mmc, filename); + if (!ret) + return 0;
break; #endif @@ -416,7 +417,7 @@ int spl_mmc_load(struct spl_image_info *spl_image, puts("spl: mmc: wrong boot mode\n"); }
- return err; + return ret; }
int spl_mmc_load_image(struct spl_image_info *spl_image,