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 <s...@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,
--
2.34.1
