From 0e9116f0a12c0a2a8142978458d3266e5e9aacdc Mon Sep 17 00:00:00 2001 From: Julius Werner Date: Mon, 13 May 2019 17:30:31 -0700 Subject: [PATCH] device_tree: Make FDT property data non-const FDT property data should not be const -- sometimes we need to update it, for example when fixing up phandles in an overlay. On the other hand it's occasionally desirable to put a string constant in there without having to strdup() it all the time... let's just live with the tiny implicit assumption that the data we'd want to modify (phandle references, mostly) will never be added from string constants, and put a cast in dt_add_string_prop(). Change-Id: Ifac103fcff0520cc427ab9a2aa141c65e12507ac Signed-off-by: Julius Werner Reviewed-on: https://review.coreboot.org/c/coreboot/+/32868 Reviewed-by: Hung-Te Lin Tested-by: build bot (Jenkins) --- src/include/device_tree.h | 4 ++-- src/lib/device_tree.c | 4 ++-- src/soc/cavium/cn81xx/soc.c | 2 +- 3 files changed, 5 insertions(+), 5 deletions(-) diff --git a/src/include/device_tree.h b/src/include/device_tree.h index e3723c86ac..d9d9613f96 100644 --- a/src/include/device_tree.h +++ b/src/include/device_tree.h @@ -52,7 +52,7 @@ struct fdt_header { struct fdt_property { const char *name; - const void *data; + void *data; uint32_t size; }; @@ -165,7 +165,7 @@ void dt_write_int(u8 *dest, u64 src, size_t length); void dt_delete_prop(struct device_tree_node *node, const char *name); // Add different kinds of properties to a node, or update existing ones. void dt_add_bin_prop(struct device_tree_node *node, const char *name, - const void *data, size_t size); + void *data, size_t size); void dt_add_string_prop(struct device_tree_node *node, const char *name, const char *str); void dt_add_u32_prop(struct device_tree_node *node, const char *name, u32 val); diff --git a/src/lib/device_tree.c b/src/lib/device_tree.c index 3c4bd24462..a5021ca8fd 100644 --- a/src/lib/device_tree.c +++ b/src/lib/device_tree.c @@ -883,7 +883,7 @@ void dt_delete_prop(struct device_tree_node *node, const char *name) * @param size The size of data in bytes. */ void dt_add_bin_prop(struct device_tree_node *node, const char *name, - const void *data, size_t size) + void *data, size_t size) { struct device_tree_property *prop; @@ -955,7 +955,7 @@ void dt_find_bin_prop(const struct device_tree_node *node, const char *name, void dt_add_string_prop(struct device_tree_node *node, const char *name, const char *str) { - dt_add_bin_prop(node, name, str, strlen(str) + 1); + dt_add_bin_prop(node, name, (char *)str, strlen(str) + 1); } /* diff --git a/src/soc/cavium/cn81xx/soc.c b/src/soc/cavium/cn81xx/soc.c index efe7d6d204..f1e11d335b 100644 --- a/src/soc/cavium/cn81xx/soc.c +++ b/src/soc/cavium/cn81xx/soc.c @@ -149,7 +149,7 @@ static void dt_platform_fixup_mac(struct device_tree_node *node) if (*localmac) return; if (used_mac < num_free_mac_addresses) { - const u64 genmac = next_free_mac_address + used_mac; + u64 genmac = next_free_mac_address + used_mac; dt_add_bin_prop(node, name, &genmac, 6); used_mac++; return;