diff options
| author | Simon Glass <sjg@chromium.org> | 2022-04-24 23:31:14 -0600 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2022-04-25 10:00:04 -0400 |
| commit | b8aa463e9ba96e66fc24e0d7cd0e07e9bc7bc839 (patch) | |
| tree | 0519efa9d1848cf08c896534997757dc44c9c9dc /drivers/mmc/mmc-uclass.c | |
| parent | 31aefaf89a5b5b259244a2ca83862e8d172a03a9 (diff) | |
bootstd: mmc: Add a bootdev driver
Add a bootdev driver for MMC. It mostly just calls the bootdev helper
function.
Add a function to obtain the block device for an MMC controller.
Fix up the comment for mmc_get_blk_desc() while we are here.
Signed-off-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'drivers/mmc/mmc-uclass.c')
| -rw-r--r-- | drivers/mmc/mmc-uclass.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/drivers/mmc/mmc-uclass.c b/drivers/mmc/mmc-uclass.c index 57da788ad80..688bdc06d42 100644 --- a/drivers/mmc/mmc-uclass.c +++ b/drivers/mmc/mmc-uclass.c @@ -8,6 +8,7 @@ #define LOG_CATEGORY UCLASS_MMC #include <common.h> +#include <bootdev.h> #include <log.h> #include <mmc.h> #include <dm.h> @@ -315,6 +316,20 @@ int mmc_get_next_devnum(void) return blk_find_max_devnum(IF_TYPE_MMC); } +int mmc_get_blk(struct udevice *dev, struct udevice **blkp) +{ + struct udevice *blk; + int ret; + + device_find_first_child_by_uclass(dev, UCLASS_BLK, &blk); + ret = device_probe(blk); + if (ret) + return ret; + *blkp = blk; + + return 0; +} + struct blk_desc *mmc_get_blk_desc(struct mmc *mmc) { struct blk_desc *desc; @@ -406,6 +421,10 @@ int mmc_bind(struct udevice *dev, struct mmc *mmc, const struct mmc_config *cfg) mmc->cfg = cfg; mmc->priv = dev; + ret = bootdev_setup_for_dev(dev, "mmc_bootdev"); + if (ret) + return log_msg_ret("bootdev", ret); + /* the following chunk was from mmc_register() */ /* Setup dsr related values */ @@ -424,12 +443,16 @@ int mmc_bind(struct udevice *dev, struct mmc *mmc, const struct mmc_config *cfg) int mmc_unbind(struct udevice *dev) { struct udevice *bdev; + int ret; device_find_first_child_by_uclass(dev, UCLASS_BLK, &bdev); if (bdev) { device_remove(bdev, DM_REMOVE_NORMAL); device_unbind(bdev); } + ret = bootdev_unbind_dev(dev); + if (ret) + return log_msg_ret("bootdev", ret); return 0; } |