From: Mattijs Korpershoek Date: Wed, 10 Jul 2024 08:40:03 +0000 (+0200) Subject: bootstd: Add bootflow_iter_check_mmc() helper X-Git-Url: http://git.dujemihanovic.xyz/%22/img/sics.gif/%22/static/git-favicon.png?a=commitdiff_plain;h=be0b076c55a3de8a1a10053a8db9ff9ca8ffb8ac;p=u-boot.git bootstd: Add bootflow_iter_check_mmc() helper Some bootflows might be able to only boot from MMC devices. Add a helper function these bootflows can use. Reviewed-by: Igor Opaniuk Reviewed-by: Julien Masson Reviewed-by: Guillaume La Roque Tested-by: Guillaume La Roque Signed-off-by: Mattijs Korpershoek Reviewed-by: Simon Glass --- diff --git a/boot/bootflow.c b/boot/bootflow.c index 9aa3179c38..59d77d2385 100644 --- a/boot/bootflow.c +++ b/boot/bootflow.c @@ -575,6 +575,18 @@ int bootflow_iter_check_blk(const struct bootflow_iter *iter) return -ENOTSUPP; } +int bootflow_iter_check_mmc(const struct bootflow_iter *iter) +{ + const struct udevice *media = dev_get_parent(iter->dev); + enum uclass_id id = device_get_uclass_id(media); + + log_debug("uclass %d: %s\n", id, uclass_get_name(id)); + if (id == UCLASS_MMC) + return 0; + + return -ENOTSUPP; +} + int bootflow_iter_check_sf(const struct bootflow_iter *iter) { const struct udevice *media = dev_get_parent(iter->dev); diff --git a/include/bootflow.h b/include/bootflow.h index 6affc5e1a4..4d2fc7b69b 100644 --- a/include/bootflow.h +++ b/include/bootflow.h @@ -408,6 +408,15 @@ void bootflow_remove(struct bootflow *bflow); */ int bootflow_iter_check_blk(const struct bootflow_iter *iter); +/** + * bootflow_iter_check_mmc() - Check that a bootflow uses a MMC device + * + * This checks the bootdev in the bootflow to make sure it uses a mmc device + * + * Return: 0 if OK, -ENOTSUPP if some other device is used (e.g. ethernet) + */ +int bootflow_iter_check_mmc(const struct bootflow_iter *iter); + /** * bootflow_iter_check_sf() - Check that a bootflow uses SPI FLASH *