[PATCH v4 4/7] ARM: davinci: add platform hook to fetch the SRAM pool

[Matt Porter <mporter@ti.com>]

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>
---
 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;
-- 
1.7.9.5