diff options
| author | Mark Rutland <mark.rutland@arm.com> | 2017-01-09 14:31:55 +0000 |
|---|---|---|
| committer | Will Deacon <will.deacon@arm.com> | 2017-01-10 12:36:22 +0000 |
| commit | 510224c2b10aba2149c0d24595be98f2254c641a (patch) | |
| tree | e87dd2da5eb2953212921a985f004fc184abf790 | |
| parent | 117f5727ae058de03e2407f5fe566e715d143596 (diff) | |
arm64: head.S: fix up stale comments
In commit 23c8a500c24d02dd ("arm64: kernel: use ordinary return/argument
register for el2_setup()"), we stopped using w20 as a global stash of
the boot mode flag, and instead pass this around in w0 as a function
parameter.
Unfortunately, we missed a couple of comments, which still refer to the
old convention of using w20/x20.
This patch fixes up the comments to describe the code as it currently
works.
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Acked-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
| -rw-r--r-- | arch/arm64/kernel/head.S | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/arm64/kernel/head.S b/arch/arm64/kernel/head.S index 4b1abac3485a..9b0857a89a2a 100644 --- a/arch/arm64/kernel/head.S +++ b/arch/arm64/kernel/head.S @@ -483,7 +483,7 @@ ENTRY(kimage_vaddr) * If we're fortunate enough to boot at EL2, ensure that the world is * sane before dropping to EL1. * - * Returns either BOOT_CPU_MODE_EL1 or BOOT_CPU_MODE_EL2 in x20 if + * Returns either BOOT_CPU_MODE_EL1 or BOOT_CPU_MODE_EL2 in w0 if * booted in EL1 or EL2 respectively. */ ENTRY(el2_setup) @@ -628,7 +628,7 @@ ENDPROC(el2_setup) /* * Sets the __boot_cpu_mode flag depending on the CPU boot mode passed - * in x20. See arch/arm64/include/asm/virt.h for more info. + * in w0. See arch/arm64/include/asm/virt.h for more info. */ set_cpu_boot_mode_flag: adr_l x1, __boot_cpu_mode |