4eda414b09
This gets rid of "nvmem-cells" limitation. Dynamic partitions can be defined for any (sub)partitions layout. Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
66 lines
2.1 KiB
Diff
66 lines
2.1 KiB
Diff
From 63db0cb35e1cb3b3c134906d1062f65513fdda2d Mon Sep 17 00:00:00 2001
|
|
From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
|
|
Date: Tue, 4 Oct 2022 10:37:09 +0200
|
|
Subject: [PATCH] mtd: core: simplify (a bit) code find partition-matching
|
|
dynamic OF node
|
|
MIME-Version: 1.0
|
|
Content-Type: text/plain; charset=UTF-8
|
|
Content-Transfer-Encoding: 8bit
|
|
|
|
1. Don't hardcode "partition-" string twice
|
|
2. Use simpler logic & use ->name to avoid of_property_read_string()
|
|
3. Use mtd_get_of_node() helper
|
|
|
|
Cc: Christian Marangi <ansuelsmth@gmail.com>
|
|
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
|
|
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
|
|
Link: https://lore.kernel.org/linux-mtd/20221004083710.27704-1-zajec5@gmail.com
|
|
---
|
|
drivers/mtd/mtdcore.c | 16 +++++++---------
|
|
1 file changed, 7 insertions(+), 9 deletions(-)
|
|
|
|
--- a/drivers/mtd/mtdcore.c
|
|
+++ b/drivers/mtd/mtdcore.c
|
|
@@ -569,18 +569,16 @@ static void mtd_check_of_node(struct mtd
|
|
struct device_node *partitions, *parent_dn, *mtd_dn = NULL;
|
|
const char *pname, *prefix = "partition-";
|
|
int plen, mtd_name_len, offset, prefix_len;
|
|
- struct mtd_info *parent;
|
|
bool found = false;
|
|
|
|
/* Check if MTD already has a device node */
|
|
- if (dev_of_node(&mtd->dev))
|
|
+ if (mtd_get_of_node(mtd))
|
|
return;
|
|
|
|
/* Check if a partitions node exist */
|
|
if (!mtd_is_partition(mtd))
|
|
return;
|
|
- parent = mtd->parent;
|
|
- parent_dn = of_node_get(dev_of_node(&parent->dev));
|
|
+ parent_dn = of_node_get(mtd_get_of_node(mtd->parent));
|
|
if (!parent_dn)
|
|
return;
|
|
|
|
@@ -593,15 +591,15 @@ static void mtd_check_of_node(struct mtd
|
|
|
|
/* Search if a partition is defined with the same name */
|
|
for_each_child_of_node(partitions, mtd_dn) {
|
|
- offset = 0;
|
|
-
|
|
/* Skip partition with no/wrong prefix */
|
|
- if (!of_node_name_prefix(mtd_dn, "partition-"))
|
|
+ if (!of_node_name_prefix(mtd_dn, prefix))
|
|
continue;
|
|
|
|
/* Label have priority. Check that first */
|
|
- if (of_property_read_string(mtd_dn, "label", &pname)) {
|
|
- of_property_read_string(mtd_dn, "name", &pname);
|
|
+ if (!of_property_read_string(mtd_dn, "label", &pname)) {
|
|
+ offset = 0;
|
|
+ } else {
|
|
+ pname = mtd_dn->name;
|
|
offset = prefix_len;
|
|
}
|
|
|