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powerpc/book3e: Fix sparse report in mm/nohash/fsl_book3e.c 

Make tlbcam_addrs[] static.

Declare TLBCAM[] in mm/mmu_decl.h

And use NULL instead of 0 as pointer when calling restore_to_as0().

Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/fd0cc30b5556428ce1d8a1fc0f983b462e88a956.1647200488.git.christophe.leroy@csgroup.eu
This commit is contained in:
Christophe Leroy 2022-03-13 20:41:41 +01:00 committed by Michael Ellerman
parent 5e6ec1ad2e
commit 87ccc6684d
2 changed files with 6 additions and 3 deletions
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4
arch/powerpc/mm/mmu_decl.h
View File

@ -155,6 +155,10 @@ struct tlbcam {
u32 MAS3;
u32 MAS7;
};
#define NUM_TLBCAMS 64
extern struct tlbcam TLBCAM[NUM_TLBCAMS];
#endif
#if defined(CONFIG_PPC_BOOK3S_32) || defined(CONFIG_FSL_BOOKE) || defined(CONFIG_PPC_8xx)

5
arch/powerpc/mm/nohash/fsl_book3e.c
View File

@ -51,10 +51,9 @@
unsigned int tlbcam_index;
#define NUM_TLBCAMS (64)
struct tlbcam TLBCAM[NUM_TLBCAMS];
struct tlbcamrange {
static struct {
unsigned long start;
unsigned long limit;
phys_addr_t phys;
@ -274,7 +273,7 @@ void __init adjust_total_lowmem(void)
i = switch_to_as1();
__max_low_memory = map_mem_in_cams(ram, CONFIG_LOWMEM_CAM_NUM, false, true);
restore_to_as0(i, 0, 0, 1);
restore_to_as0(i, 0, NULL, 1);
pr_info("Memory CAM mapping: ");
for (i = 0; i < tlbcam_index - 1; i++)