2024-03-05 20:26:04

by Daniel Golle

[permalink] [raw]
Subject: [RFC PATCH v2 7/8] mmc: block: set fwnode of disk devices

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 <[email protected]>
---
drivers/mmc/core/block.c | 7 +++++++
1 file changed, 7 insertions(+)

diff --git a/drivers/mmc/core/block.c b/drivers/mmc/core/block.c
index bd165cef2bbc3..c3e9477743515 100644
--- a/drivers/mmc/core/block.c
+++ b/drivers/mmc/core/block.c
@@ -2461,6 +2461,7 @@ 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 mmc_blk_data *md;
int devidx, ret;
char cap_str[10];
@@ -2557,6 +2558,12 @@ static struct mmc_blk_data *mmc_blk_alloc_req(struct mmc_card *card,

blk_queue_write_cache(md->queue.queue, cache_enabled, fua_enabled);

+ fwnode = device_get_named_child_node(subname ? md->parent->parent :
+ md->parent,
+ subname ? subname : "block");
+ if (fwnode)
+ device_set_node(disk_to_dev(md->disk), fwnode);
+
string_get_size((u64)size, 512, STRING_UNITS_2,
cap_str, sizeof(cap_str));
pr_info("%s: %s %s %s%s\n",
--
2.44.0