ARM: mmp: build sram driver alone

sram driver can be used by many chips besides CPU_MMP2, and so build
it alone. Also need to select MMP_SRAM for MMP_TDMA driver.

Reported-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Qiao Zhou <zhouqiao@marvell.com>
Signed-off-by: Haojian Zhuang <haojian.zhuang@gmail.com>
Signed-off-by: Olof Johansson <olof@lixom.net>

1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/dma/Kconfig b/drivers/dma/Kconfig
index 446687cc2334..af3676333da4 100644
--- a/drivers/dma/Kconfig
+++ b/drivers/dma/Kconfig
@@ -289,9 +289,11 @@ config MMP_TDMA
         bool "MMP Two-Channel DMA support"
         depends on ARCH_MMP
         select DMA_ENGINE
+        select MMP_SRAM
         help
           Support the MMP Two-Channel DMA engine.
           This engine used for MMP Audio DMA and pxa910 SQU.
+          It needs sram driver under mach-mmp.
 
           Say Y here if you enabled MMP ADMA, otherwise say N.