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authorGeert Uytterhoeven <geert+renesas@glider.be>2021-07-14 15:53:22 +0300
committerRob Herring <robh@kernel.org>2021-07-16 23:05:38 +0300
commitcc6ef3d1fdde75ca4783f2d98d194b4a2c35d848 (patch)
tree62d6675bc633aaf1abdd09c92a0f0578f81ed525 /drivers/of
parent24519fa7f91507d3299018bf4b066dd7b1ccff60 (diff)
downloadlinux-cc6ef3d1fdde75ca4783f2d98d194b4a2c35d848.tar.xz
of: kexec: Remove FDT_PROP_* definitions
The FDT_PROP_* definitions make it harder to follow the code. Remove them, and use the actual string literals instead. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Link: https://lore.kernel.org/r/af415c86cd2ba9c8a6bb2eaaf56c3198a24b23d3.1626267092.git.geert+renesas@glider.be Signed-off-by: Rob Herring <robh@kernel.org>
Diffstat (limited to 'drivers/of')
-rw-r--r--drivers/of/kexec.c40
1 files changed, 15 insertions, 25 deletions
diff --git a/drivers/of/kexec.c b/drivers/of/kexec.c
index f335d941a716..761fd870d1db 100644
--- a/drivers/of/kexec.c
+++ b/drivers/of/kexec.c
@@ -18,14 +18,6 @@
#include <linux/random.h>
#include <linux/types.h>
-/* relevant device tree properties */
-#define FDT_PROP_KEXEC_ELFHDR "linux,elfcorehdr"
-#define FDT_PROP_MEM_RANGE "linux,usable-memory-range"
-#define FDT_PROP_INITRD_START "linux,initrd-start"
-#define FDT_PROP_INITRD_END "linux,initrd-end"
-#define FDT_PROP_BOOTARGS "bootargs"
-#define FDT_PROP_KASLR_SEED "kaslr-seed"
-#define FDT_PROP_RNG_SEED "rng-seed"
#define RNG_SEED_SIZE 128
/*
@@ -310,10 +302,10 @@ void *of_kexec_alloc_and_setup_fdt(const struct kimage *image,
goto out;
}
- ret = fdt_delprop(fdt, chosen_node, FDT_PROP_KEXEC_ELFHDR);
+ ret = fdt_delprop(fdt, chosen_node, "linux,elfcorehdr");
if (ret && ret != -FDT_ERR_NOTFOUND)
goto out;
- ret = fdt_delprop(fdt, chosen_node, FDT_PROP_MEM_RANGE);
+ ret = fdt_delprop(fdt, chosen_node, "linux,usable-memory-range");
if (ret && ret != -FDT_ERR_NOTFOUND)
goto out;
@@ -347,12 +339,12 @@ void *of_kexec_alloc_and_setup_fdt(const struct kimage *image,
/* add initrd-* */
if (initrd_load_addr) {
- ret = fdt_setprop_u64(fdt, chosen_node, FDT_PROP_INITRD_START,
+ ret = fdt_setprop_u64(fdt, chosen_node, "linux,initrd-start",
initrd_load_addr);
if (ret)
goto out;
- ret = fdt_setprop_u64(fdt, chosen_node, FDT_PROP_INITRD_END,
+ ret = fdt_setprop_u64(fdt, chosen_node, "linux,initrd-end",
initrd_load_addr + initrd_len);
if (ret)
goto out;
@@ -362,11 +354,11 @@ void *of_kexec_alloc_and_setup_fdt(const struct kimage *image,
goto out;
} else {
- ret = fdt_delprop(fdt, chosen_node, FDT_PROP_INITRD_START);
+ ret = fdt_delprop(fdt, chosen_node, "linux,initrd-start");
if (ret && (ret != -FDT_ERR_NOTFOUND))
goto out;
- ret = fdt_delprop(fdt, chosen_node, FDT_PROP_INITRD_END);
+ ret = fdt_delprop(fdt, chosen_node, "linux,initrd-end");
if (ret && (ret != -FDT_ERR_NOTFOUND))
goto out;
}
@@ -374,8 +366,7 @@ void *of_kexec_alloc_and_setup_fdt(const struct kimage *image,
if (image->type == KEXEC_TYPE_CRASH) {
/* add linux,elfcorehdr */
ret = fdt_appendprop_addrrange(fdt, 0, chosen_node,
- FDT_PROP_KEXEC_ELFHDR,
- image->elf_load_addr,
+ "linux,elfcorehdr", image->elf_load_addr,
image->elf_headers_sz);
if (ret)
goto out;
@@ -391,8 +382,7 @@ void *of_kexec_alloc_and_setup_fdt(const struct kimage *image,
/* add linux,usable-memory-range */
ret = fdt_appendprop_addrrange(fdt, 0, chosen_node,
- FDT_PROP_MEM_RANGE,
- crashk_res.start,
+ "linux,usable-memory-range", crashk_res.start,
crashk_res.end - crashk_res.start + 1);
if (ret)
goto out;
@@ -400,17 +390,17 @@ void *of_kexec_alloc_and_setup_fdt(const struct kimage *image,
/* add bootargs */
if (cmdline) {
- ret = fdt_setprop_string(fdt, chosen_node, FDT_PROP_BOOTARGS, cmdline);
+ ret = fdt_setprop_string(fdt, chosen_node, "bootargs", cmdline);
if (ret)
goto out;
} else {
- ret = fdt_delprop(fdt, chosen_node, FDT_PROP_BOOTARGS);
+ ret = fdt_delprop(fdt, chosen_node, "bootargs");
if (ret && (ret != -FDT_ERR_NOTFOUND))
goto out;
}
/* add kaslr-seed */
- ret = fdt_delprop(fdt, chosen_node, FDT_PROP_KASLR_SEED);
+ ret = fdt_delprop(fdt, chosen_node, "kaslr-seed");
if (ret == -FDT_ERR_NOTFOUND)
ret = 0;
else if (ret)
@@ -419,26 +409,26 @@ void *of_kexec_alloc_and_setup_fdt(const struct kimage *image,
if (rng_is_initialized()) {
u64 seed = get_random_u64();
- ret = fdt_setprop_u64(fdt, chosen_node, FDT_PROP_KASLR_SEED, seed);
+ ret = fdt_setprop_u64(fdt, chosen_node, "kaslr-seed", seed);
if (ret)
goto out;
} else {
pr_notice("RNG is not initialised: omitting \"%s\" property\n",
- FDT_PROP_KASLR_SEED);
+ "kaslr-seed");
}
/* add rng-seed */
if (rng_is_initialized()) {
void *rng_seed;
- ret = fdt_setprop_placeholder(fdt, chosen_node, FDT_PROP_RNG_SEED,
+ ret = fdt_setprop_placeholder(fdt, chosen_node, "rng-seed",
RNG_SEED_SIZE, &rng_seed);
if (ret)
goto out;
get_random_bytes(rng_seed, RNG_SEED_SIZE);
} else {
pr_notice("RNG is not initialised: omitting \"%s\" property\n",
- FDT_PROP_RNG_SEED);
+ "rng-seed");
}
ret = fdt_setprop(fdt, chosen_node, "linux,booted-from-kexec", NULL, 0);