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-rw-r--r--nixos/modules/kernel-patches/0054-mtd-core-add-get_mtd_device_by_node.patch82
1 files changed, 0 insertions, 82 deletions
diff --git a/nixos/modules/kernel-patches/0054-mtd-core-add-get_mtd_device_by_node.patch b/nixos/modules/kernel-patches/0054-mtd-core-add-get_mtd_device_by_node.patch
deleted file mode 100644
index 6a57d72..0000000
--- a/nixos/modules/kernel-patches/0054-mtd-core-add-get_mtd_device_by_node.patch
+++ /dev/null
@@ -1,82 +0,0 @@
-From 1065fc1f12c66020a9e49a9951a7ba39112bf405 Mon Sep 17 00:00:00 2001
-From: Bernhard Frauendienst <kernel@nospam.obeliks.de>
-Date: Sat, 1 Sep 2018 00:30:11 +0200
-Subject: [PATCH 54/96] mtd: core: add get_mtd_device_by_node
-
-Add function to retrieve a mtd device by its OF node. Since drivers can
-assign arbitrary names to mtd devices in the absence of a label
-property, there is no other reliable way to retrieve a mtd device for a
-given OF node.
-
-Signed-off-by: Bernhard Frauendienst <kernel@nospam.obeliks.de>
-Reviewed-by: Miquel Raynal <miquel.raynal@bootlin.com>
----
- drivers/mtd/mtdcore.c | 38 ++++++++++++++++++++++++++++++++++++++
- include/linux/mtd/mtd.h | 2 ++
- 2 files changed, 40 insertions(+)
-
-diff --git a/drivers/mtd/mtdcore.c b/drivers/mtd/mtdcore.c
-index ccb80197d960..c8f8da3f3736 100644
---- a/drivers/mtd/mtdcore.c
-+++ b/drivers/mtd/mtdcore.c
-@@ -1202,6 +1202,44 @@ struct mtd_info *get_mtd_device_nm(const char *name)
- }
- EXPORT_SYMBOL_GPL(get_mtd_device_nm);
-
-+/**
-+ * get_mtd_device_by_node - obtain a validated handle for an MTD device
-+ * by of_node
-+ * @of_node: OF node of MTD device to open
-+ *
-+ * This function returns MTD device description structure in case of
-+ * success and an error code in case of failure.
-+ */
-+struct mtd_info *get_mtd_device_by_node(const struct device_node *of_node)
-+{
-+ int err = -ENODEV;
-+ struct mtd_info *mtd = NULL, *other;
-+
-+ mutex_lock(&mtd_table_mutex);
-+
-+ mtd_for_each_device(other) {
-+ if (of_node == other->dev.of_node) {
-+ mtd = other;
-+ break;
-+ }
-+ }
-+
-+ if (!mtd)
-+ goto out_unlock;
-+
-+ err = __get_mtd_device(mtd);
-+ if (err)
-+ goto out_unlock;
-+
-+ mutex_unlock(&mtd_table_mutex);
-+ return mtd;
-+
-+out_unlock:
-+ mutex_unlock(&mtd_table_mutex);
-+ return ERR_PTR(err);
-+}
-+EXPORT_SYMBOL_GPL(get_mtd_device_by_node);
-+
- void put_mtd_device(struct mtd_info *mtd)
- {
- mutex_lock(&mtd_table_mutex);
-diff --git a/include/linux/mtd/mtd.h b/include/linux/mtd/mtd.h
-index cd7807a23123..3ec4f745f1b4 100644
---- a/include/linux/mtd/mtd.h
-+++ b/include/linux/mtd/mtd.h
-@@ -698,6 +698,8 @@ extern struct mtd_info *get_mtd_device(struct mtd_info *mtd, int num);
- extern int __get_mtd_device(struct mtd_info *mtd);
- extern void __put_mtd_device(struct mtd_info *mtd);
- extern struct mtd_info *get_mtd_device_nm(const char *name);
-+extern struct mtd_info *get_mtd_device_by_node(
-+ const struct device_node *of_node);
- extern void put_mtd_device(struct mtd_info *mtd);
-
- static inline uint64_t mtdpart_get_offset(const struct mtd_info *mtd)
---
-2.37.2
-