5 files changed, 16 insertions, 74 deletions

diff --git a/arch/sparc/kernel/ioport.c b/arch/sparc/kernel/ioport.c
index 7ceae24b0ca9..57a72c46eddb 100644
--- a/arch/sparc/kernel/ioport.c
+++ b/arch/sparc/kernel/ioport.c
@@ -52,17 +52,6 @@
 #include <asm/io-unit.h>
 #include <asm/leon.h>
 
-/* This function must make sure that caches and memory are coherent after DMA
- * On LEON systems without cache snooping it flushes the entire D-CACHE.
- */
-static inline void dma_make_coherent(unsigned long pa, unsigned long len)
-{
-	if (sparc_cpu_model == sparc_leon) {
-		if (!sparc_leon3_snooping_enabled())
-			leon_flush_dcache_all();
-	}
-}
-
 static void __iomem *_sparc_ioremap(struct resource *res, u32 bus, u32 pa, int sz);
 static void __iomem *_sparc_alloc_io(unsigned int busno, unsigned long phys,
     unsigned long size, char *name);
@@ -311,68 +300,19 @@ arch_initcall(sparc_register_ioport);
 
 #endif /* CONFIG_SBUS */
 
-
-/* Allocate and map kernel buffer using consistent mode DMA for a device.
- * hwdev should be valid struct pci_dev pointer for PCI devices.
- */
-void *arch_dma_alloc(struct device *dev, size_t size, dma_addr_t *dma_handle,
-		gfp_t gfp, unsigned long attrs)
-{
-	unsigned long addr;
-	void *va;
-
-	if (!size || size > 256 * 1024)	/* __get_free_pages() limit */
-		return NULL;
-
-	size = PAGE_ALIGN(size);
-	va = (void *) __get_free_pages(gfp | __GFP_ZERO, get_order(size));
-	if (!va) {
-		printk("%s: no %zd pages\n", __func__, size >> PAGE_SHIFT);
-		return NULL;
-	}
-
-	addr = sparc_dma_alloc_resource(dev, size);
-	if (!addr)
-		goto err_nomem;
-
-	srmmu_mapiorange(0, virt_to_phys(va), addr, size);
-
-	*dma_handle = virt_to_phys(va);
-	return (void *)addr;
-
-err_nomem:
-	free_pages((unsigned long)va, get_order(size));
-	return NULL;
-}
-
-/* Free and unmap a consistent DMA buffer.
- * cpu_addr is what was returned arch_dma_alloc, size must be the same as what
- * was passed into arch_dma_alloc, and likewise dma_addr must be the same as
- * what *dma_ndler was set to.
+/*
+ * IIep is write-through, not flushing on cpu to device transfer.
  *
- * References to the memory and mappings associated with cpu_addr/dma_addr
- * past this call are illegal.
+ * On LEON systems without cache snooping, the entire D-CACHE must be flushed to
+ * make DMA to cacheable memory coherent.
  */
-void arch_dma_free(struct device *dev, size_t size, void *cpu_addr,
-		dma_addr_t dma_addr, unsigned long attrs)
-{
-	size = PAGE_ALIGN(size);
-
-	if (!sparc_dma_free_resource(cpu_addr, size))
-		return;
-
-	dma_make_coherent(dma_addr, size);
-	srmmu_unmapiorange((unsigned long)cpu_addr, size);
-	free_pages((unsigned long)phys_to_virt(dma_addr), get_order(size));
-}
-
-/* IIep is write-through, not flushing on cpu to device transfer. */
-
 void arch_sync_dma_for_cpu(phys_addr_t paddr, size_t size,
 		enum dma_data_direction dir)
 {
-	if (dir != PCI_DMA_TODEVICE)
-		dma_make_coherent(paddr, PAGE_ALIGN(size));
+	if (dir != PCI_DMA_TODEVICE &&
+	    sparc_cpu_model == sparc_leon &&
+	    !sparc_leon3_snooping_enabled())
+		leon_flush_dcache_all();
 }
 
 #ifdef CONFIG_PROC_FS
diff --git a/arch/sparc/kernel/pci.c b/arch/sparc/kernel/pci.c
index 9c2b720bfd20..31b0c1983286 100644
--- a/arch/sparc/kernel/pci.c
+++ b/arch/sparc/kernel/pci.c
@@ -1010,7 +1010,7 @@ void pcibios_set_master(struct pci_dev *dev)
 }
 
 #ifdef CONFIG_PCI_IOV
-int pcibios_add_device(struct pci_dev *dev)
+int pcibios_device_add(struct pci_dev *dev)
 {
 	struct pci_dev *pdev;
 
diff --git a/arch/sparc/kernel/signal_32.c b/arch/sparc/kernel/signal_32.c
index 02f3ad55dfe3..cd677bc564a7 100644
--- a/arch/sparc/kernel/signal_32.c
+++ b/arch/sparc/kernel/signal_32.c
@@ -244,7 +244,7 @@ static int setup_frame(struct ksignal *ksig, struct pt_regs *regs,
 		get_sigframe(ksig, regs, sigframe_size);
 
 	if (invalid_frame_pointer(sf, sigframe_size)) {
-		do_exit(SIGILL);
+		force_fatal_sig(SIGILL);
 		return -EINVAL;
 	}
 
@@ -336,7 +336,7 @@ static int setup_rt_frame(struct ksignal *ksig, struct pt_regs *regs,
 	sf = (struct rt_signal_frame __user *)
 		get_sigframe(ksig, regs, sigframe_size);
 	if (invalid_frame_pointer(sf, sigframe_size)) {
-		do_exit(SIGILL);
+		force_fatal_sig(SIGILL);
 		return -EINVAL;
 	}
 
diff --git a/arch/sparc/kernel/smp_64.c b/arch/sparc/kernel/smp_64.c
index 0224d8f19ed6..b98a7bbe6728 100644
--- a/arch/sparc/kernel/smp_64.c
+++ b/arch/sparc/kernel/smp_64.c
@@ -1567,7 +1567,7 @@ static void * __init pcpu_alloc_bootmem(unsigned int cpu, size_t size,
 
 static void __init pcpu_free_bootmem(void *ptr, size_t size)
 {
-	memblock_free(__pa(ptr), size);
+	memblock_free(ptr, size);
 }
 
 static int __init pcpu_cpu_distance(unsigned int from, unsigned int to)
diff --git a/arch/sparc/kernel/windows.c b/arch/sparc/kernel/windows.c
index 69a6ba6e9293..bbbd40cc6b28 100644
--- a/arch/sparc/kernel/windows.c
+++ b/arch/sparc/kernel/windows.c
@@ -121,8 +121,10 @@ void try_to_clear_window_buffer(struct pt_regs *regs, int who)
 
 		if ((sp & 7) ||
 		    copy_to_user((char __user *) sp, &tp->reg_window[window],
-				 sizeof(struct reg_window32)))
-			do_exit(SIGILL);
+				 sizeof(struct reg_window32))) {
+			force_fatal_sig(SIGILL);
+			return;
+		}
 	}
 	tp->w_saved = 0;
 }