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ARM: davinci: add platform hook to fetch the SRAM pool

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Adds sram_get_gen_pool() which allows platform code to get
the machine's SRAM gen_pool. The gen_pool may be passed in
platform data for driver genalloc use.

Signed-off-by: Matt Porter <mporter@ti.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
This commit is contained in:
Matt Porter 2012-10-05 13:04:43 -04:00 committed by Sekhar Nori
parent c94472d4ad
commit 983c42ba34
2 changed files with 8 additions and 0 deletions
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3
arch/arm/mach-davinci/include/mach/sram.h
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@ -24,4 +24,7 @@
extern void *sram_alloc(size_t len, dma_addr_t *dma);
extern void sram_free(void *addr, size_t len);
/* Get the struct gen_pool * for use in platform data */
extern struct gen_pool *sram_get_gen_pool(void);
#endif /* __MACH_SRAM_H */

5
arch/arm/mach-davinci/sram.c
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@ -18,6 +18,11 @@
static struct gen_pool *sram_pool;
struct gen_pool *sram_get_gen_pool(void)
{
return sram_pool;
}
void *sram_alloc(size_t len, dma_addr_t *dma)
{
unsigned long vaddr;