Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu:
  m68knommu: update the default config for the ColdFire 5407C3 board
  m68knommu: update the default config for the ColdFire 5307C3 board
  m68knommu: update the default config for the ColdFire 5257EVB board
  m68knommu: update the default config for the ColdFire 5249EVB.
  m68knommu: add a defconfig for the ColdFire M5272C3 board
  m68knommu: update the defconfig for the ColdFire 5208evb board
  m68knommu: fix DMA support for ColdFire
  m68knommu: remove unused kernel stats offsets
  m68knommu: fix missing .data.cacheline_aligned section
  m68knommu: Fixed GPIO pin initialization for CONFIG_M5271 FEC.

arch/m68knommu/Kconfig

@@ -16,6 +16,7 @@ config MMU
 
 config NO_DMA
 	bool
+	depends on !COLDFIRE
 	default y
 
 config FPU

arch/m68knommu/kernel/asm-offsets.c

@@ -30,9 +30,6 @@ int main(void)
 	DEFINE(TASK_MM, offsetof(struct task_struct, mm));
 	DEFINE(TASK_ACTIVE_MM, offsetof(struct task_struct, active_mm));
 
-	/* offsets into the kernel_stat struct */
-	DEFINE(STAT_IRQ, offsetof(struct kernel_stat, irqs));
-
 	/* offsets into the irq_cpustat_t struct */
 	DEFINE(CPUSTAT_SOFTIRQ_PENDING, offsetof(irq_cpustat_t, __softirq_pending));
 
@@ -69,9 +66,6 @@ int main(void)
 	DEFINE(PT_VECTOR, offsetof(struct pt_regs, pc) + 4);
 #endif
 
-	/* offsets into the kernel_stat struct */
-	DEFINE(STAT_IRQ, offsetof(struct kernel_stat, irqs));
-
 	/* signal defines */
 	DEFINE(SIGSEGV, SIGSEGV);
 	DEFINE(SEGV_MAPERR, SEGV_MAPERR);

arch/m68knommu/kernel/dma.c

@@ -7,10 +7,9 @@
 
 #include <linux/types.h>
 #include <linux/mm.h>
-#include <linux/string.h>
 #include <linux/device.h>
 #include <linux/dma-mapping.h>
-#include <asm/io.h>
+#include <asm/cacheflush.h>
 
 void *dma_alloc_coherent(struct device *dev, size_t size,
 			   dma_addr_t *dma_handle, gfp_t gfp)
@@ -36,7 +35,39 @@ void dma_free_coherent(struct device *dev, size_t size,
 	free_pages((unsigned long)vaddr, get_order(size));
 }
 
-void dma_sync_single_for_cpu(struct device *dev, dma_addr_t handle, size_t size, enum dma_data_direction dir)
+void dma_sync_single_for_device(struct device *dev, dma_addr_t handle,
+				size_t size, enum dma_data_direction dir)
 {
+	switch (dir) {
+	case DMA_TO_DEVICE:
+		flush_dcache_range(handle, size);
+		break;
+	case DMA_FROM_DEVICE:
+		/* Should be clear already */
+		break;
+	default:
+		if (printk_ratelimit())
+			printk("dma_sync_single_for_device: unsupported dir %u\n", dir);
+		break;
+	}
+}
+
+EXPORT_SYMBOL(dma_sync_single_for_device);
+dma_addr_t dma_map_single(struct device *dev, void *addr, size_t size,
+			  enum dma_data_direction dir)
+{
+	dma_addr_t handle = virt_to_phys(addr);
+	flush_dcache_range(handle, size);
+	return handle;
 }
+EXPORT_SYMBOL(dma_map_single);
 
+dma_addr_t dma_map_page(struct device *dev, struct page *page,
+			unsigned long offset, size_t size,
+			enum dma_data_direction dir)
+{
+	dma_addr_t handle = page_to_phys(page) + offset;
+	dma_sync_single_for_device(dev, handle, size, dir);
+	return handle;
+}
+EXPORT_SYMBOL(dma_map_page);

arch/m68knommu/kernel/vmlinux.lds.S

@@ -147,6 +147,8 @@ SECTIONS {
 		. = ALIGN(4);
 		_sdata = . ;
 		DATA_DATA
+		. = ALIGN(32);
+		*(.data.cacheline_aligned)
 		. = ALIGN(8192) ;
 		*(.data.init_task)
 		_edata = . ;

arch/m68knommu/platform/527x/config.c

@@ -189,10 +189,15 @@ static void __init m527x_fec_init(void)
 	m527x_fec_irq_init(0);
 
 	/* Set multi-function pins to ethernet mode for fec0 */
+#if defined(CONFIG_M5271)
+	v = readb(MCF_IPSBAR + 0x100047);
+	writeb(v | 0xf0, MCF_IPSBAR + 0x100047);
+#else
 	par = readw(MCF_IPSBAR + 0x100082);
 	writew(par | 0xf00, MCF_IPSBAR + 0x100082);
 	v = readb(MCF_IPSBAR + 0x100078);
 	writeb(v | 0xc0, MCF_IPSBAR + 0x100078);
+#endif
 
 #ifdef CONFIG_FEC2
 	m527x_fec_irq_init(1);