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From: Jan Luebbe <jlu@pengutronix.de>
To: barebox@lists.infradead.org
Subject: [PATCH 2/2] fdt: of_unflatten_dtb can work on const data
Date: Wed,  3 Dec 2014 15:34:00 +0100	[thread overview]
Message-ID: <1417617240-16852-2-git-send-email-jlu@pengutronix.de> (raw)
In-Reply-To: <1417617240-16852-1-git-send-email-jlu@pengutronix.de>

Signed-off-by: Jan Luebbe <jlu@pengutronix.de>
---
 drivers/of/fdt.c | 4 ++--
 include/of.h     | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c
index cfe183350978..89f291787962 100644
--- a/drivers/of/fdt.c
+++ b/drivers/of/fdt.c
@@ -54,7 +54,7 @@ static inline char *dt_string(struct fdt_header *f, char *strstart, uint32_t ofs
  * Parse a flat device tree binary blob and return a pointer to the
  * unflattened tree.
  */
-struct device_node *of_unflatten_dtb(void *infdt)
+struct device_node *of_unflatten_dtb(const void *infdt)
 {
 	const void *nodep;	/* property node pointer */
 	uint32_t tag;		/* tag */
@@ -69,7 +69,7 @@ struct device_node *of_unflatten_dtb(void *infdt)
 	struct fdt_header f;
 	int ret;
 	unsigned int maxlen;
-	struct fdt_header *fdt = infdt;
+	const struct fdt_header *fdt = infdt;
 
 	if (fdt->magic != cpu_to_fdt32(FDT_MAGIC)) {
 		pr_err("bad magic: 0x%08x\n", fdt32_to_cpu(fdt->magic));
diff --git a/include/of.h b/include/of.h
index 7b93c58474de..5273f87ebd1d 100644
--- a/include/of.h
+++ b/include/of.h
@@ -98,7 +98,7 @@ void of_print_cmdline(struct device_node *root);
 void of_print_nodes(struct device_node *node, int indent);
 int of_probe(void);
 int of_parse_dtb(struct fdt_header *fdt);
-struct device_node *of_unflatten_dtb(void *fdt);
+struct device_node *of_unflatten_dtb(const void *fdt);
 
 struct cdev;
 
-- 
2.1.3


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  reply	other threads:[~2014-12-03 14:35 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-12-03 14:33 [PATCH 1/2] stringlist: the string argument should be const Jan Luebbe
2014-12-03 14:34 ` Jan Luebbe [this message]
2014-12-04  7:24 ` Sascha Hauer

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