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authorAlan Tull <r80115@freescale.com>2010-05-25 16:44:26 -0500
committerAlan Tull <r80115@freescale.com>2010-05-27 15:23:42 -0500
commit9d7d4eaf949824598a84e678b43479d0c4893076 (patch)
treeb0d0edfab97b536d5698209d53d1a3a65ca7c240 /arch/arm/plat-mxs
parent2e0a5b93fbcc7659283e221cb5bf8216627979d1 (diff)
ENGR00123838 alsa: fall back to external ram if iram fails
If iram_alloc fails, should warn and fall back to external ram. Signed-off-by: Alan Tull <r80115@freescale.com>
Diffstat (limited to 'arch/arm/plat-mxs')
-rw-r--r--arch/arm/plat-mxs/iram.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/arm/plat-mxs/iram.c b/arch/arm/plat-mxs/iram.c
index 3d2a391bd2d1..c63b0a2a9a10 100644
--- a/arch/arm/plat-mxs/iram.c
+++ b/arch/arm/plat-mxs/iram.c
@@ -36,6 +36,11 @@ void *iram_alloc(unsigned int size, unsigned long *dma_addr)
*dma_addr = gen_pool_alloc(iram_pool, size);
pr_debug("iram alloc - %dB@0x%p\n", size, (void *)*dma_addr);
+
+ WARN_ON(!*dma_addr);
+ if (!*dma_addr)
+ return NULL;
+
return iram_phys_to_virt(*dma_addr);
}
EXPORT_SYMBOL(iram_alloc);