media: mx2_camera: 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>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Tested-by: Javier Martin <javier.martin@vista-silicon.com>
Cc: linux-media@vger.kernel.org

2 files changed, 8 insertions, 5 deletions

diff --git a/arch/arm/mach-imx/devices/devices-common.h b/arch/arm/mach-imx/devices/devices-common.h
index 36eb3f09f5d7..d213da9dfd93 100644
--- a/arch/arm/mach-imx/devices/devices-common.h
+++ b/arch/arm/mach-imx/devices/devices-common.h
@@ -220,6 +220,7 @@ struct platform_device *__init imx_add_mx1_camera(
 
 #include <linux/platform_data/camera-mx2.h>
 struct imx_mx2_camera_data {
+        const char *devid;
         resource_size_t iobasecsi;
         resource_size_t iosizecsi;
         resource_size_t irqcsi;
diff --git a/arch/arm/mach-imx/devices/platform-mx2-camera.c b/arch/arm/mach-imx/devices/platform-mx2-camera.c
index 9ad5b2d97054..b88877d54d7f 100644
--- a/arch/arm/mach-imx/devices/platform-mx2-camera.c
+++ b/arch/arm/mach-imx/devices/platform-mx2-camera.c
@@ -9,14 +9,16 @@
 #include <mach/hardware.h>
 #include "devices-common.h"
 
-#define imx_mx2_camera_data_entry_single(soc)                           \
+#define imx_mx2_camera_data_entry_single(soc, _devid)                   \
         {                                                               \
+                .devid = _devid,                                        \
                 .iobasecsi = soc ## _CSI_BASE_ADDR,                     \
                 .iosizecsi = SZ_4K,                                     \
                 .irqcsi = soc ## _INT_CSI,                              \
         }
-#define imx_mx2_camera_data_entry_single_emma(soc)                      \
+#define imx_mx2_camera_data_entry_single_emma(soc, _devid)              \
         {                                                               \
+                .devid = _devid,                                        \
                 .iobasecsi = soc ## _CSI_BASE_ADDR,                     \
                 .iosizecsi = SZ_32,                                     \
                 .irqcsi = soc ## _INT_CSI,                              \
@@ -27,12 +29,12 @@
 
 #ifdef CONFIG_SOC_IMX25
 const struct imx_mx2_camera_data imx25_mx2_camera_data __initconst =
-        imx_mx2_camera_data_entry_single(MX25);
+        imx_mx2_camera_data_entry_single(MX25, "imx25-camera");
 #endif /* ifdef CONFIG_SOC_IMX25 */
 
 #ifdef CONFIG_SOC_IMX27
 const struct imx_mx2_camera_data imx27_mx2_camera_data __initconst =
-        imx_mx2_camera_data_entry_single_emma(MX27);
+        imx_mx2_camera_data_entry_single_emma(MX27, "imx27-camera");
 #endif /* ifdef CONFIG_SOC_IMX27 */
 
 struct platform_device *__init imx_add_mx2_camera(
@@ -58,7 +60,7 @@ struct platform_device *__init imx_add_mx2_camera(
                         .flags = IORESOURCE_IRQ,
                 },
         };
-        return imx_add_platform_device_dmamask("mx2-camera", 0,
+        return imx_add_platform_device_dmamask(data->devid, 0,
                         res, data->iobaseemmaprp ? 4 : 2,
                         pdata, sizeof(*pdata), DMA_BIT_MASK(32));
 }