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authorYasha Cherikovsky <yasha.che3@gmail.com>2018-09-25 21:08:25 +0300
committerPaul Burton <paul.burton@mips.com>2018-09-26 21:46:34 +0300
commitd9df9fb901d25b941ab2cfb5b570d91fb2abf7a3 (patch)
tree7529117b4e69815ac721997042314319a86e05e0 /arch/mips
parente524c788bfc1d5e18db9e226c3b7323e69094e81 (diff)
downloadlinux-d9df9fb901d25b941ab2cfb5b570d91fb2abf7a3.tar.xz
MIPS: Octeon: Remove special handling of CONFIG_MIPS_ELF_APPENDED_DTB=y
The ELF appended dtb can be accessed now via 'fw_passed_dtb'. Since raw appended dtb is accessed via that variable too, this now effectively allows to boot with CONFIG_MIPS_RAW_APPENDED_DTB=y on Octeon. Signed-off-by: Yasha Cherikovsky <yasha.che3@gmail.com> [paul.burton@mips.com: Fix trivial __dtb_octeon_*_begin conflict] Signed-off-by: Paul Burton <paul.burton@mips.com> Patchwork: https://patchwork.linux-mips.org/patch/20805/ Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Paul Burton <paul.burton@mips.com> Cc: James Hogan <jhogan@kernel.org> Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org
Diffstat (limited to 'arch/mips')
-rw-r--r--arch/mips/cavium-octeon/setup.c9
1 files changed, 3 insertions, 6 deletions
diff --git a/arch/mips/cavium-octeon/setup.c b/arch/mips/cavium-octeon/setup.c
index c2426232db06..dfb95cffef3e 100644
--- a/arch/mips/cavium-octeon/setup.c
+++ b/arch/mips/cavium-octeon/setup.c
@@ -1161,15 +1161,12 @@ void __init device_tree_init(void)
bool do_prune;
bool fill_mac;
-#ifdef CONFIG_MIPS_ELF_APPENDED_DTB
- if (!fdt_check_header(&__appended_dtb)) {
- fdt = &__appended_dtb;
+ if (fw_passed_dtb) {
+ fdt = (void *)fw_passed_dtb;
do_prune = false;
fill_mac = true;
pr_info("Using appended Device Tree.\n");
- } else
-#endif
- if (octeon_bootinfo->minor_version >= 3 && octeon_bootinfo->fdt_addr) {
+ } else if (octeon_bootinfo->minor_version >= 3 && octeon_bootinfo->fdt_addr) {
fdt = phys_to_virt(octeon_bootinfo->fdt_addr);
if (fdt_check_header(fdt))
panic("Corrupt Device Tree passed to kernel.");