[U-Boot] [PATCH 06/23] dm: mmc: Add a function to obtain the block device
Simon Glass
sjg at chromium.org
Mon Apr 11 03:12:26 CEST 2016
The MMC block device is contained within struct mmc. But with driver model
this will not be the case. Add a function to obtain the block device. We
can later implement this for CONFIG_BLK.
Signed-off-by: Simon Glass <sjg at chromium.org>
---
drivers/mmc/mmc.c | 5 +++++
include/mmc.h | 8 ++++++++
2 files changed, 13 insertions(+)
diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c
index e270f5f..49996a8 100644
--- a/drivers/mmc/mmc.c
+++ b/drivers/mmc/mmc.c
@@ -24,6 +24,11 @@
static struct list_head mmc_devices;
static int cur_dev_num = -1;
+struct blk_desc *mmc_get_blk_desc(struct mmc *mmc)
+{
+ return &mmc->block_dev;
+}
+
__weak int board_mmc_getwp(struct mmc *mmc)
{
return -1;
diff --git a/include/mmc.h b/include/mmc.h
index cdb56e7..36449c3 100644
--- a/include/mmc.h
+++ b/include/mmc.h
@@ -498,4 +498,12 @@ int pci_mmc_init(const char *name, struct pci_device_id *mmc_supported);
#define CONFIG_SYS_MMC_MAX_BLK_COUNT 65535
#endif
+/**
+ * mmc_get_blk_desc() - Get the block descriptor for an MMC device
+ *
+ * @mmc: MMC device
+ * @return block device if found, else NULL
+ */
+struct blk_desc *mmc_get_blk_desc(struct mmc *mmc);
+
#endif /* _MMC_H_ */
--
2.8.0.rc3.226.g39d4020
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