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51 lines
1.7 KiB
Diff
51 lines
1.7 KiB
Diff
From 42e9401bd1467d22c4dc4d2c637347b874e6a80b Mon Sep 17 00:00:00 2001
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From: Sascha Hauer <s.hauer@pengutronix.de>
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Date: Thu, 9 Feb 2017 11:50:24 +0100
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Subject: [PATCH] mtd: Add partition device node to mtd partition devices
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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The user visible change here is that mtd partitions get an of_node link
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in sysfs.
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Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
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Signed-off-by: Brian Norris <computersforpeace@gmail.com>
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---
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drivers/mtd/mtdpart.c | 1 +
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drivers/mtd/ofpart.c | 1 +
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include/linux/mtd/partitions.h | 1 +
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3 files changed, 3 insertions(+)
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--- a/drivers/mtd/mtdpart.c
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+++ b/drivers/mtd/mtdpart.c
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@@ -432,6 +432,7 @@ static struct mtd_part *allocate_partiti
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slave->mtd.dev.parent = IS_ENABLED(CONFIG_MTD_PARTITIONED_MASTER) ?
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&master->dev :
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master->dev.parent;
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+ slave->mtd.dev.of_node = part->of_node;
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slave->mtd._read = part_read;
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slave->mtd._write = part_write;
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--- a/drivers/mtd/ofpart.c
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+++ b/drivers/mtd/ofpart.c
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@@ -108,6 +108,7 @@ static int parse_ofpart_partitions(struc
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parts[i].offset = of_read_number(reg, a_cells);
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parts[i].size = of_read_number(reg + a_cells, s_cells);
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+ parts[i].of_node = pp;
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partname = of_get_property(pp, "label", &len);
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if (!partname)
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--- a/include/linux/mtd/partitions.h
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+++ b/include/linux/mtd/partitions.h
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@@ -41,6 +41,7 @@ struct mtd_partition {
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uint64_t size; /* partition size */
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uint64_t offset; /* offset within the master MTD space */
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uint32_t mask_flags; /* master MTD flags to mask out for this partition */
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+ struct device_node *of_node;
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};
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#define MTDPART_OFS_RETAIN (-3)
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