summary refs log tree commit diff
path: root/arch/powerpc
diff options
context:
space:
mode:
authorGrant Likely <grant.likely@secretlab.ca>2010-04-13 16:12:59 -0700
committerGrant Likely <grant.likely@secretlab.ca>2010-05-22 00:10:40 -0600
commitcb6dc512b745292eaf123fedf437c211e27fb680 (patch)
tree56177ae8f827c346b9180aad8723be8e04b50153 /arch/powerpc
parent58f9b0b02414062eaff46716bc04b47d7e79add5 (diff)
downloadlinux-cb6dc512b745292eaf123fedf437c211e27fb680.tar.gz
arch/powerpc: Move dma_mask from of_device into pdev_archdata
By moving dma_mask into pdev_archdata, and adding archdata to
struct of_device, it makes it possible to substitute of_device
with struct platform_device, which is a stepping stone to
removing the of_platform bus entirely.

Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Diffstat (limited to 'arch/powerpc')
-rw-r--r--arch/powerpc/include/asm/device.h1
-rw-r--r--arch/powerpc/include/asm/of_device.h2
-rw-r--r--arch/powerpc/kernel/of_device.c2
-rw-r--r--arch/powerpc/kernel/of_platform.c2
4 files changed, 4 insertions, 3 deletions
diff --git a/arch/powerpc/include/asm/device.h b/arch/powerpc/include/asm/device.h
index f23f8d8bd68d..a3954e4fcbe2 100644
--- a/arch/powerpc/include/asm/device.h
+++ b/arch/powerpc/include/asm/device.h
@@ -28,6 +28,7 @@ struct dev_archdata {
 };
 
 struct pdev_archdata {
+	u64 dma_mask;
 };
 
 #endif /* _ASM_POWERPC_DEVICE_H */
diff --git a/arch/powerpc/include/asm/of_device.h b/arch/powerpc/include/asm/of_device.h
index 8b26f96b9f9e..444e97e2982e 100644
--- a/arch/powerpc/include/asm/of_device.h
+++ b/arch/powerpc/include/asm/of_device.h
@@ -12,8 +12,8 @@
  */
 struct of_device
 {
-	u64			dma_mask;	/* DMA mask */
 	struct device		dev;		/* Generic device interface */
+	struct pdev_archdata	archdata;
 };
 
 extern struct of_device *of_device_alloc(struct device_node *np,
diff --git a/arch/powerpc/kernel/of_device.c b/arch/powerpc/kernel/of_device.c
index 20b3474b6f6b..df78e0236a02 100644
--- a/arch/powerpc/kernel/of_device.c
+++ b/arch/powerpc/kernel/of_device.c
@@ -70,7 +70,7 @@ struct of_device *of_device_alloc(struct device_node *np,
 		return NULL;
 
 	dev->dev.of_node = of_node_get(np);
-	dev->dev.dma_mask = &dev->dma_mask;
+	dev->dev.dma_mask = &dev->archdata.dma_mask;
 	dev->dev.parent = parent;
 	dev->dev.release = of_release_dev;
 
diff --git a/arch/powerpc/kernel/of_platform.c b/arch/powerpc/kernel/of_platform.c
index 1c747c474415..218853466510 100644
--- a/arch/powerpc/kernel/of_platform.c
+++ b/arch/powerpc/kernel/of_platform.c
@@ -74,7 +74,7 @@ struct of_device* of_platform_device_create(struct device_node *np,
 	if (!dev)
 		return NULL;
 
-	dev->dma_mask = 0xffffffffUL;
+	dev->archdata.dma_mask = 0xffffffffUL;
 	dev->dev.coherent_dma_mask = DMA_BIT_MASK(32);
 
 	dev->dev.bus = &of_platform_bus_type;