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x86: microcode_amd: fix compile warning

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Impact: fix build warning

  CC      arch/x86/kernel/microcode_amd.o
arch/x86/kernel/microcode_amd.c: In function ‘request_microcode_fw’:
arch/x86/kernel/microcode_amd.c:393: warning: passing argument 2 of ‘generic_load_microcode’ discards qualifiers from pointer target type

(Respect "const" qualifier of firmware->data.)

Signed-off-by: Andreas Herrmann <andreas.herrmann3@amd.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Andreas Herrmann 2008-12-16 19:13:00 +01:00 committed by Ingo Molnar
parent be957763b0
commit 8c135206c8
1 changed files with 11 additions and 9 deletions
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20
arch/x86/kernel/microcode_amd.c
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@ -225,8 +225,8 @@ static void apply_microcode_amd(int cpu)
uci->cpu_sig.rev = rev;
}
static void *get_next_ucode(u8 *buf, unsigned int size,
int (*get_ucode_data)(void *, const void *, size_t),
static void *get_next_ucode(const u8 *buf, unsigned int size,
int (*get_ucode_data)(void *, const u8 *, size_t),
unsigned int *mc_size)
{
unsigned int total_size;
@ -268,8 +268,8 @@ static void *get_next_ucode(u8 *buf, unsigned int size,
}
static int install_equiv_cpu_table(u8 *buf,
int (*get_ucode_data)(void *, const void *, size_t))
static int install_equiv_cpu_table(const u8 *buf,
int (*get_ucode_data)(void *, const u8 *, size_t))
{
#define UCODE_CONTAINER_HEADER_SIZE 12
u8 *container_hdr[UCODE_CONTAINER_HEADER_SIZE];
@ -311,11 +311,13 @@ static void free_equiv_cpu_table(void)
}
}
static int generic_load_microcode(int cpu, void *data, size_t size,
int (*get_ucode_data)(void *, const void *, size_t))
static int generic_load_microcode(int cpu, const u8 *data, size_t size,
int (*get_ucode_data)(void *, const u8 *, size_t))
{
struct ucode_cpu_info *uci = ucode_cpu_info + cpu;
u8 *ucode_ptr = data, *new_mc = NULL, *mc;
const u8 *ucode_ptr = data;
void *new_mc = NULL;
void *mc;
int new_rev = uci->cpu_sig.rev;
unsigned int leftover;
unsigned long offset;
@ -368,7 +370,7 @@ static int generic_load_microcode(int cpu, void *data, size_t size,
return (int)leftover;
}
static int get_ucode_fw(void *to, const void *from, size_t n)
static int get_ucode_fw(void *to, const u8 *from, size_t n)
{
memcpy(to, from, n);
return 0;
@ -390,7 +392,7 @@ static int request_microcode_fw(int cpu, struct device *device)
return ret;
}
ret = generic_load_microcode(cpu, (void*)firmware->data, firmware->size,
ret = generic_load_microcode(cpu, firmware->data, firmware->size,
&get_ucode_fw);
release_firmware(firmware);