[alsa-devel] [PATCH v2 5/5] ASoC: intel: use __iowrite32_copy for 32 bit copy

[Vinod Koul]

The sst-firmware was also using own method to do 32bit copy, turns out we have a
kernel API so use that instead

[For BYT]
Tested-by: Jarkko Nikula <jarkko.nikula at linux.intel.com>
Signed-off-by: Vinod Koul <vinod.koul at intel.com>
---
 sound/soc/intel/Kconfig        |    2 +-
 sound/soc/intel/sst-firmware.c |    9 +++------
 2 files changed, 4 insertions(+), 7 deletions(-)

diff --git a/sound/soc/intel/Kconfig b/sound/soc/intel/Kconfig
index c719438..b8a02cb 100644
--- a/sound/soc/intel/Kconfig
+++ b/sound/soc/intel/Kconfig
@@ -1,6 +1,6 @@
 config SND_MFLD_MACHINE
 	tristate "SOC Machine Audio driver for Intel Medfield MID platform"
-	depends on INTEL_SCU_IPC
+	depends on INTEL_SCU_IPC || COMPILE_TEST
 	select SND_SOC_SN95031
 	select SND_SST_MFLD_PLATFORM
 	select SND_SST_IPC
diff --git a/sound/soc/intel/sst-firmware.c b/sound/soc/intel/sst-firmware.c
index 3bb43da..cf3d199 100644
--- a/sound/soc/intel/sst-firmware.c
+++ b/sound/soc/intel/sst-firmware.c
@@ -32,13 +32,10 @@
 
 static void block_module_remove(struct sst_module *module);
 
-static void sst_memcpy32(volatile void __iomem *dest, void *src, u32 bytes)
+static inline void sst_memcpy32(volatile void __iomem *dest, void *src, u32 bytes)
 {
-	u32 i;
-
-	/* copy one 32 bit word at a time as 64 bit access is not supported */
-	for (i = 0; i < bytes; i += 4)
-		memcpy_toio(dest + i, src + i, 4);
+	/* __iowrite32_copy use 32bit size values so divide by 4 */
+	__iowrite32_copy((void *)dest, src, bytes/4);
 }
 
 /* create new generic firmware object */
-- 
1.7.0.4