[PATCH v4 4/7] ARM: davinci: add platform hook to fetch the SRAM pool
From: Matt Porter <hidden>
Date: 2012-10-05 17:04:32
Also in:
lkml
Subsystem:
arm port, the rest, ti davinci machine support · Maintainers:
Russell King, Linus Torvalds, Bartosz Golaszewski
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 <redacted> --- arch/arm/mach-davinci/include/mach/sram.h | 3 +++ arch/arm/mach-davinci/sram.c | 5 +++++ 2 files changed, 8 insertions(+)
diff --git a/arch/arm/mach-davinci/include/mach/sram.h b/arch/arm/mach-davinci/include/mach/sram.h
index 111f7cc..4e5db56 100644
--- a/arch/arm/mach-davinci/include/mach/sram.h
+++ b/arch/arm/mach-davinci/include/mach/sram.h@@ -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 */
diff --git a/arch/arm/mach-davinci/sram.c b/arch/arm/mach-davinci/sram.c
index fa56374..c5f7ee5 100644
--- a/arch/arm/mach-davinci/sram.c
+++ b/arch/arm/mach-davinci/sram.c@@ -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;
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