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Subject[PATCH 03/11] arm64: Use core efi=debug instead of uefi_debug command line parameter
Date
From: Leif Lindholm <leif.lindholm@linaro.org>

Now that we have an efi=debug command line option in the core code, use
this instead of the arm64-specific uefi_debug option.

Signed-off-by: Leif Lindholm <leif.lindholm@linaro.org>
Acked-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Tested-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: Mark Salter <msalter@redhat.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Signed-off-by: Matt Fleming <matt.fleming@intel.com>
---
Documentation/arm/uefi.txt | 2 --
arch/arm64/kernel/efi.c | 19 +++++--------------
2 files changed, 5 insertions(+), 16 deletions(-)

diff --git a/Documentation/arm/uefi.txt b/Documentation/arm/uefi.txt
index d60030a1b909..7b3fdfe0f7ba 100644
--- a/Documentation/arm/uefi.txt
+++ b/Documentation/arm/uefi.txt
@@ -60,5 +60,3 @@ linux,uefi-mmap-desc-ver | 32-bit | Version of the mmap descriptor format.
--------------------------------------------------------------------------------
linux,uefi-stub-kern-ver | string | Copy of linux_banner from build.
--------------------------------------------------------------------------------
-
-For verbose debug messages, specify 'uefi_debug' on the kernel command line.
diff --git a/arch/arm64/kernel/efi.c b/arch/arm64/kernel/efi.c
index e8ca6eaedd02..612ad5ec1d2e 100644
--- a/arch/arm64/kernel/efi.c
+++ b/arch/arm64/kernel/efi.c
@@ -51,15 +51,6 @@ static struct mm_struct efi_mm = {
INIT_MM_CONTEXT(efi_mm)
};

-static int uefi_debug __initdata;
-static int __init uefi_debug_setup(char *str)
-{
- uefi_debug = 1;
-
- return 0;
-}
-early_param("uefi_debug", uefi_debug_setup);
-
static int __init is_normal_ram(efi_memory_desc_t *md)
{
if (md->attribute & EFI_MEMORY_WB)
@@ -171,14 +162,14 @@ static __init void reserve_regions(void)
efi_memory_desc_t *md;
u64 paddr, npages, size;

- if (uefi_debug)
+ if (efi_enabled(EFI_DBG))
pr_info("Processing EFI memory map:\n");

for_each_efi_memory_desc(&memmap, md) {
paddr = md->phys_addr;
npages = md->num_pages;

- if (uefi_debug) {
+ if (efi_enabled(EFI_DBG)) {
char buf[64];

pr_info(" 0x%012llx-0x%012llx %s",
@@ -194,11 +185,11 @@ static __init void reserve_regions(void)

if (is_reserve_region(md)) {
memblock_reserve(paddr, size);
- if (uefi_debug)
+ if (efi_enabled(EFI_DBG))
pr_cont("*");
}

- if (uefi_debug)
+ if (efi_enabled(EFI_DBG))
pr_cont("\n");
}

@@ -210,7 +201,7 @@ void __init efi_init(void)
struct efi_fdt_params params;

/* Grab UEFI information placed in FDT by stub */
- if (!efi_get_fdt_params(&params, uefi_debug))
+ if (!efi_get_fdt_params(&params, efi_enabled(EFI_DBG)))
return;

efi_system_table = params.system_table;
--
2.1.0


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