3 files changed, 4 insertions, 47 deletions
diff --git a/arch/arm/mach-ixp4xx/common-pci.c b/arch/arm/mach-ixp4xx/common-pci.c
index a54b3db80366..e9a589395723 100644
--- a/arch/arm/mach-ixp4xx/common-pci.c
+++ b/arch/arm/mach-ixp4xx/common-pci.c
@@ -342,29 +342,6 @@ int dma_needs_bounce(struct device *dev, dma_addr_t dma_addr, size_t size)
 	return (dev->bus == &pci_bus_type ) && ((dma_addr + size) >= SZ_64M);
 }
 
-/*
- * Only first 64MB of memory can be accessed via PCI.
- * We use GFP_DMA to allocate safe buffers to do map/unmap.
- * This is really ugly and we need a better way of specifying
- * DMA-capable regions of memory.
- */
-void __init ixp4xx_adjust_zones(unsigned long *zone_size,
-	unsigned long *zhole_size)
-{
-	unsigned int sz = SZ_64M >> PAGE_SHIFT;
-
-	/*
-	 * Only adjust if > 64M on current system
-	 */
-	if (zone_size[0] <= sz)
-		return;
-
-	zone_size[1] = zone_size[0] - sz;
-	zone_size[0] = sz;
-	zhole_size[1] = zhole_size[0];
-	zhole_size[0] = 0;
-}
-
 void __init ixp4xx_pci_preinit(void)
 {
 	unsigned long cpuid = read_cpuid_id();
diff --git a/arch/arm/mach-ixp4xx/common.c b/arch/arm/mach-ixp4xx/common.c
index ed19bc314318..74ed81a3cb1a 100644
--- a/arch/arm/mach-ixp4xx/common.c
+++ b/arch/arm/mach-ixp4xx/common.c
@@ -419,26 +419,14 @@ static void notrace ixp4xx_update_sched_clock(void)
 /*
  * clocksource
  */
-static cycle_t ixp4xx_get_cycles(struct clocksource *cs)
-{
-	return *IXP4XX_OSTS;
-}
-
-static struct clocksource clocksource_ixp4xx = {
-	.name 		= "OSTS",
-	.rating		= 200,
-	.read		= ixp4xx_get_cycles,
-	.mask		= CLOCKSOURCE_MASK(32),
-	.flags		= CLOCK_SOURCE_IS_CONTINUOUS,
-};
-
 unsigned long ixp4xx_timer_freq = IXP4XX_TIMER_FREQ;
 EXPORT_SYMBOL(ixp4xx_timer_freq);
 static void __init ixp4xx_clocksource_init(void)
 {
 	init_sched_clock(&cd, ixp4xx_update_sched_clock, 32, ixp4xx_timer_freq);
 
-	clocksource_register_hz(&clocksource_ixp4xx, ixp4xx_timer_freq);
+	clocksource_mmio_init(&IXP4XX_OSTS, "OSTS", ixp4xx_timer_freq, 200, 32,
+			clocksource_mmio_readl_up);
 }
 
 /*
diff --git a/arch/arm/mach-ixp4xx/include/mach/memory.h b/arch/arm/mach-ixp4xx/include/mach/memory.h
index 6d388c9d0e20..34e79404671a 100644
--- a/arch/arm/mach-ixp4xx/include/mach/memory.h
+++ b/arch/arm/mach-ixp4xx/include/mach/memory.h
@@ -14,16 +14,8 @@
  */
 #define PLAT_PHYS_OFFSET	UL(0x00000000)
 
-#if !defined(__ASSEMBLY__) && defined(CONFIG_PCI)
-
-void ixp4xx_adjust_zones(unsigned long *size, unsigned long *holes);
-
-#define arch_adjust_zones(size, holes) \
-	ixp4xx_adjust_zones(size, holes)
-
-#define ISA_DMA_THRESHOLD (SZ_64M - 1)
-#define MAX_DMA_ADDRESS		(PAGE_OFFSET + SZ_64M)
-
+#ifdef CONFIG_PCI
+#define ARM_DMA_ZONE_SIZE	SZ_64M
 #endif
 
 #endif