dma: imx-dma: remove cpu_is_xxx by using platform_device_id

It changes the driver to use platform_device_id rather than cpu_is_xxx
to determine the controller type, and updates the platform code
accordingly.

As the result, mach/hardware.h inclusion gets removed from the driver.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Tested-by: Javier Martin <javier.martin@vista-silicon.com>
Cc: Vinod Koul <vinod.koul@linux.intel.com>

1 files changed, 3 insertions, 1 deletions

diff --git a/include/linux/platform_data/dma-imx.h b/include/linux/platform_data/dma-imx.h
index 1b9080385b4..f6d30cc1cb7 100644
--- a/include/linux/platform_data/dma-imx.h
+++ b/include/linux/platform_data/dma-imx.h
@@ -61,7 +61,9 @@ static inline int imx_dma_is_ipu(struct dma_chan *chan)
 static inline int imx_dma_is_general_purpose(struct dma_chan *chan)
 {
         return strstr(dev_name(chan->device->dev), "sdma") ||
-                !strcmp(dev_name(chan->device->dev), "imx-dma");
+                !strcmp(dev_name(chan->device->dev), "imx1-dma") ||
+                !strcmp(dev_name(chan->device->dev), "imx21-dma") ||
+                !strcmp(dev_name(chan->device->dev), "imx27-dma");
 }
 
 #endif