[PATCH] sh: convert voyagergx to platform device, drop sh-bus

Trivial patch updating the voyagergx cchip code to reference a platform device
instead, now that the dma mask is taken care of.  Given this, there's no
longer any reason to drag around the SH-bus code, so kill that off entirely.

Signed-off-by: Manuel Lauss <mano@roarinelk.homelinux.net>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Cc: Greg KH <greg@kroah.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

arch/sh/cchips/voyagergx/consistent.c

@@ -15,7 +15,7 @@
 #include <linux/module.h>
 #include <linux/device.h>
 #include <asm/io.h>
-#include <asm/bus-sh.h>
+
 
 struct voya_alloc_entry {
 	struct list_head list;
@@ -30,12 +30,13 @@ static LIST_HEAD(voya_alloc_list);
 #define OHCI_HCCA_SIZE	0x100
 #define OHCI_SRAM_SIZE	0x10000
 
+#define VOYAGER_OHCI_NAME	"voyager-ohci"
+
 void *voyagergx_consistent_alloc(struct device *dev, size_t size,
 				 dma_addr_t *handle, gfp_t flag)
 {
 	struct list_head *list = &voya_alloc_list;
 	struct voya_alloc_entry *entry;
-	struct sh_dev *shdev = to_sh_dev(dev);
 	unsigned long start, end;
 	unsigned long flags;
 
@@ -46,9 +47,7 @@ void *voyagergx_consistent_alloc(struct device *dev, size_t size,
 	 *
 	 * Everything else goes through consistent_alloc().
 	 */
-	if (!dev || dev->bus != &sh_bus_types[SH_BUS_VIRT] ||
-		   (dev->bus == &sh_bus_types[SH_BUS_VIRT] &&
-		    shdev->dev_id != SH_DEV_ID_USB_OHCI))
+	if (!dev || strcmp(dev->driver->name, VOYAGER_OHCI_NAME))
 		return NULL;
 
 	start = OHCI_SRAM_START + OHCI_HCCA_SIZE;
@@ -98,12 +97,9 @@ int voyagergx_consistent_free(struct device *dev, size_t size,
 			      void *vaddr, dma_addr_t handle)
 {
 	struct voya_alloc_entry *entry;
-	struct sh_dev *shdev = to_sh_dev(dev);
 	unsigned long flags;
 
-	if (!dev || dev->bus != &sh_bus_types[SH_BUS_VIRT] ||
-		   (dev->bus == &sh_bus_types[SH_BUS_VIRT] &&
-		    shdev->dev_id != SH_DEV_ID_USB_OHCI))
+	if (!dev || strcmp(dev->driver->name, VOYAGER_OHCI_NAME))
 		return -EINVAL;
 
 	spin_lock_irqsave(&voya_list_lock, flags);
@@ -123,4 +119,3 @@ int voyagergx_consistent_free(struct device *dev, size_t size,
 
 EXPORT_SYMBOL(voyagergx_consistent_alloc);
 EXPORT_SYMBOL(voyagergx_consistent_free);
-

arch/sh/cchips/voyagergx/irq.c

@@ -163,7 +163,12 @@ int voyagergx_irq_demux(int irq)
 	return irq;
 }
 
-static struct irqaction irq0  = { voyagergx_interrupt, SA_INTERRUPT, 0, "VOYAGERGX", NULL, NULL};
+static struct irqaction irq0  = {
+	.name		= "voyagergx",
+	.handler	= voyagergx_interrupt,
+	.flags		= SA_INTERRUPT,
+	.mask		= CPU_MASK_NONE,
+};
 
 void __init setup_voyagergx_irq(void)
 {

arch/sh/kernel/cpu/Makefile

@@ -2,7 +2,7 @@
 # Makefile for the Linux/SuperH CPU-specifc backends.
 #
 
-obj-y	+= irq/ init.o bus.o clock.o
+obj-y	+= irq/ init.o clock.o
 
 obj-$(CONFIG_CPU_SH2)		+= sh2/
 obj-$(CONFIG_CPU_SH3)		+= sh3/