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blackfin: restore L1 base address and length 

Restore L1 base address and length to 0 after free else the value will be
wrong.

Signed-off-by: Barry Song <barry.song@analog.com>
Signed-off-by: Bob Liu <lliubbo@gmail.com>
This commit is contained in:
Barry Song 2010-06-29 08:55:29 +00:00 committed by Bob Liu
parent f7899f7c1f
commit edd8a97e6e
1 changed files with 4 additions and 1 deletions
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5
arch/blackfin/include/asm/mmu_context.h
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@ -30,8 +30,11 @@ extern void *l1sram_alloc_max(void*);
static inline void free_l1stack(void) static inline void free_l1stack(void)
{ {
nr_l1stack_tasks--; nr_l1stack_tasks--;
if (nr_l1stack_tasks == 0) if (nr_l1stack_tasks == 0) {
l1sram_free(l1_stack_base); l1sram_free(l1_stack_base);
l1_stack_base = NULL;
l1_stack_len = 0;
}
} }
static inline unsigned long static inline unsigned long