[RFC PATCH 2/6] mmc: block: set fwnode of disk devices

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Set fwnode of disk devices to 'block', 'boot0' and 'boot1' subnodes of
the mmc-card. This is done in preparation for having the eMMC act as
NVMEM provider.

Signed-off-by: Daniel Golle <daniel@xxxxxxxxxxxxxx>
---
 drivers/mmc/core/block.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/mmc/core/block.c b/drivers/mmc/core/block.c
index f701efb1fa785..fc1a9f31bd253 100644
--- a/drivers/mmc/core/block.c
+++ b/drivers/mmc/core/block.c
@@ -2413,6 +2413,8 @@ static struct mmc_blk_data *mmc_blk_alloc_req(struct mmc_card *card,
 					      int area_type,
 					      unsigned int part_type)
 {
+	struct fwnode_handle *fwnode;
+	struct device *ddev;
 	struct mmc_blk_data *md;
 	int devidx, ret;
 	char cap_str[10];
@@ -2509,6 +2511,12 @@ static struct mmc_blk_data *mmc_blk_alloc_req(struct mmc_card *card,
 
 	blk_queue_write_cache(md->queue.queue, cache_enabled, fua_enabled);
 
+	ddev = disk_to_dev(md->disk);
+	fwnode = device_get_named_child_node(subname ? md->parent->parent :
+						       md->parent,
+					     subname ? subname : "block");
+	ddev->fwnode = fwnode;
+
 	string_get_size((u64)size, 512, STRING_UNITS_2,
 			cap_str, sizeof(cap_str));
 	pr_info("%s: %s %s %s%s\n",
-- 
2.41.0



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