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efi_loader: correctly determine if an MMC device is an SD-card

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The SD cards and eMMC devices have different device nodes.
The current coding interpretes all MMC devices as eMMC.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
This commit is contained in:
Heinrich Schuchardt 2017-12-11 12:56:39 +01:00 committed by Alexander Graf
parent b9b17598f4
commit 66b051d51f
1 changed files with 21 additions and 3 deletions
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24
lib/efi_loader/efi_device_path.c
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@ -36,6 +36,24 @@ static const struct efi_device_path_vendor ROOT = {
.guid = U_BOOT_GUID,
};
#if defined(CONFIG_DM_MMC) && defined(CONFIG_MMC)
/*
* Determine if an MMC device is an SD card.
*
* @desc block device descriptor
* @return true if the device is an SD card
*/
static bool is_sd(struct blk_desc *desc)
{
struct mmc *mmc = find_mmc_device(desc->devnum);
if (!mmc)
return false;
return IS_SD(mmc) != 0U;
}
#endif
static void *dp_alloc(size_t sz)
{
void *buf;
@ -313,9 +331,9 @@ static void *dp_fill(void *buf, struct udevice *dev)
struct blk_desc *desc = mmc_get_blk_desc(mmc);
sddp->dp.type = DEVICE_PATH_TYPE_MESSAGING_DEVICE;
sddp->dp.sub_type = (desc->if_type == IF_TYPE_MMC) ?
DEVICE_PATH_SUB_TYPE_MSG_MMC :
DEVICE_PATH_SUB_TYPE_MSG_SD;
sddp->dp.sub_type = is_sd(desc) ?
DEVICE_PATH_SUB_TYPE_MSG_SD :
DEVICE_PATH_SUB_TYPE_MSG_MMC;
sddp->dp.length = sizeof(*sddp);
sddp->slot_number = dev->seq;