Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394...

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6: (25 commits)
  firewire: fw-cdev: reorder wakeup vs. spinlock
  firewire: in-code doc updates.
  firewire: a header cleanup
  firewire: adopt read cycle timer ABI from raw1394
  firewire: fw-ohci: check for misconfigured bus (phyID == 63)
  firewire: fw-ohci: missing dma_unmap_single
  firewire: fw-ohci: log posted write errors
  firewire: fw-ohci: reorder includes
  firewire: fw-ohci: fix includes
  firewire: fw-ohci: enforce read order for selfID generation
  firewire: fw-sbp2: use an own workqueue (fix system responsiveness)
  firewire: fw-sbp2: expose module parameter for workarounds
  firewire: fw-sbp2: add support for multiple logical units per target
  firewire: fw-sbp2: always enable IRQs before calling command ORB callback
  firewire: fw-core: local variable shadows a global one
  firewire: optimize fw_core_add_address_handler
  ieee1394: ieee1394_core.c: use DEFINE_SPINLOCK for spinlock definition
  ieee1394: csr1212: proper refcounting
  ieee1394: nodemgr: fix leak of struct csr1212_keyval
  ieee1394: pcilynx: I2C cleanups
  ...

diff --git a/arch/ia64/kernel/setup.c b/arch/ia64/kernel/setup.c
index 777c8d8bd5e70febf80c8e5a8ed0c5d94d85de40..c5cfcfa4c87c1ae92db64feeda71039cd529e245 100644 (file)
--- a/arch/ia64/kernel/setup.c
+++ b/arch/ia64/kernel/setup.c
@@ -869,6 +869,7 @@ cpu_init (void)
        void *cpu_data;
 
        cpu_data = per_cpu_init();
+#ifdef CONFIG_SMP
        /*
         * insert boot cpu into sibling and core mapes
         * (must be done after per_cpu area is setup)
@@ -877,6 +878,7 @@ cpu_init (void)
                cpu_set(0, per_cpu(cpu_sibling_map, 0));
                cpu_set(0, cpu_core_map[0]);
        }
+#endif
 
        /*
         * We set ar.k3 so that assembly code in MCA handler can compute

diff --git a/arch/powerpc/mm/init_64.c b/arch/powerpc/mm/init_64.c
index 29ed495444f5e109e477defddd0dee704397506e..702d884a338a2f5da89bb1ee4b03297670cb47e0 100644 (file)
--- a/arch/powerpc/mm/init_64.c
+++ b/arch/powerpc/mm/init_64.c
@@ -243,7 +243,8 @@ int __meminit vmemmap_populate(struct page *start_page,
                                        "physical %p.\n", start, p, __pa(p));
 
                mapped = htab_bolt_mapping(start, start + page_size,
-                                       __pa(p), mode_rw, mmu_linear_psize);
+                                       __pa(p), mode_rw, mmu_linear_psize,
+                                       mmu_kernel_ssize);
                BUG_ON(mapped < 0);
        }
 

diff --git a/arch/x86/boot/Makefile b/arch/x86/boot/Makefile
index d6ed8e5e1ccc2bab83f49df77091043c47021645..e8756e5f6b29d271415669fbbe01a6a0e84bd054 100644 (file)
--- a/arch/x86/boot/Makefile
+++ b/arch/x86/boot/Makefile
@@ -64,10 +64,10 @@ KBUILD_CFLAGS       := $(LINUXINCLUDE) -g -Os -D_SETUP -D__KERNEL__ \
 KBUILD_AFLAGS  := $(KBUILD_CFLAGS) -D__ASSEMBLY__
 
 $(obj)/zImage:  IMAGE_OFFSET := 0x1000
-$(obj)/zImage:  EXTRA_AFLAGS := $(SVGA_MODE) $(RAMDISK)
+$(obj)/zImage:  asflags-y := $(SVGA_MODE) $(RAMDISK)
 $(obj)/bzImage: IMAGE_OFFSET := 0x100000
-$(obj)/bzImage: EXTRA_CFLAGS := -D__BIG_KERNEL__
-$(obj)/bzImage: EXTRA_AFLAGS := $(SVGA_MODE) $(RAMDISK) -D__BIG_KERNEL__
+$(obj)/bzImage: ccflags-y := -D__BIG_KERNEL__
+$(obj)/bzImage: asflags-y := $(SVGA_MODE) $(RAMDISK) -D__BIG_KERNEL__
 $(obj)/bzImage: BUILDFLAGS   := -b
 
 quiet_cmd_image = BUILD   $@

diff --git a/include/asm-powerpc/dma-mapping.h b/include/asm-powerpc/dma-mapping.h
index 2af321f36aba8aa025d6f43360367b6e5c18329d..65be95dd03a57407db066b1317d9d6f0fc4c2e1f 100644 (file)
--- a/include/asm-powerpc/dma-mapping.h
+++ b/include/asm-powerpc/dma-mapping.h
@@ -6,6 +6,149 @@
  */
 #ifndef _ASM_DMA_MAPPING_H
 #define _ASM_DMA_MAPPING_H
+#ifdef __KERNEL__
+
+#include <linux/types.h>
+#include <linux/cache.h>
+/* need struct page definitions */
+#include <linux/mm.h>
+#include <linux/scatterlist.h>
+#include <asm/io.h>
+
+#define DMA_ERROR_CODE         (~(dma_addr_t)0x0)
+
+#ifdef CONFIG_NOT_COHERENT_CACHE
+/*
+ * DMA-consistent mapping functions for PowerPCs that don't support
+ * cache snooping.  These allocate/free a region of uncached mapped
+ * memory space for use with DMA devices.  Alternatively, you could
+ * allocate the space "normally" and use the cache management functions
+ * to ensure it is consistent.
+ */
+extern void *__dma_alloc_coherent(size_t size, dma_addr_t *handle, gfp_t gfp);
+extern void __dma_free_coherent(size_t size, void *vaddr);
+extern void __dma_sync(void *vaddr, size_t size, int direction);
+extern void __dma_sync_page(struct page *page, unsigned long offset,
+                                size_t size, int direction);
+
+#else /* ! CONFIG_NOT_COHERENT_CACHE */
+/*
+ * Cache coherent cores.
+ */
+
+#define __dma_alloc_coherent(gfp, size, handle)        NULL
+#define __dma_free_coherent(size, addr)                ((void)0)
+#define __dma_sync(addr, size, rw)             ((void)0)
+#define __dma_sync_page(pg, off, sz, rw)       ((void)0)
+
+#endif /* ! CONFIG_NOT_COHERENT_CACHE */
+
+#ifdef CONFIG_PPC64
+/*
+ * DMA operations are abstracted for G5 vs. i/pSeries, PCI vs. VIO
+ */
+struct dma_mapping_ops {
+       void *          (*alloc_coherent)(struct device *dev, size_t size,
+                               dma_addr_t *dma_handle, gfp_t flag);
+       void            (*free_coherent)(struct device *dev, size_t size,
+                               void *vaddr, dma_addr_t dma_handle);
+       dma_addr_t      (*map_single)(struct device *dev, void *ptr,
+                               size_t size, enum dma_data_direction direction);
+       void            (*unmap_single)(struct device *dev, dma_addr_t dma_addr,
+                               size_t size, enum dma_data_direction direction);
+       int             (*map_sg)(struct device *dev, struct scatterlist *sg,
+                               int nents, enum dma_data_direction direction);
+       void            (*unmap_sg)(struct device *dev, struct scatterlist *sg,
+                               int nents, enum dma_data_direction direction);
+       int             (*dma_supported)(struct device *dev, u64 mask);
+       int             (*set_dma_mask)(struct device *dev, u64 dma_mask);
+};
+
+static inline struct dma_mapping_ops *get_dma_ops(struct device *dev)
+{
+       /* We don't handle the NULL dev case for ISA for now. We could
+        * do it via an out of line call but it is not needed for now. The
+        * only ISA DMA device we support is the floppy and we have a hack
+        * in the floppy driver directly to get a device for us.
+        */
+       if (unlikely(dev == NULL || dev->archdata.dma_ops == NULL))
+               return NULL;
+       return dev->archdata.dma_ops;
+}
+
+static inline int dma_supported(struct device *dev, u64 mask)
+{
+       struct dma_mapping_ops *dma_ops = get_dma_ops(dev);
+
+       if (unlikely(dma_ops == NULL))
+               return 0;
+       if (dma_ops->dma_supported == NULL)
+               return 1;
+       return dma_ops->dma_supported(dev, mask);
+}
+
+static inline int dma_set_mask(struct device *dev, u64 dma_mask)
+{
+       struct dma_mapping_ops *dma_ops = get_dma_ops(dev);
+
+       if (unlikely(dma_ops == NULL))
+               return -EIO;
+       if (dma_ops->set_dma_mask != NULL)
+               return dma_ops->set_dma_mask(dev, dma_mask);
+       if (!dev->dma_mask || !dma_supported(dev, dma_mask))
+               return -EIO;
+       *dev->dma_mask = dma_mask;
+       return 0;
+}
+
+static inline void *dma_alloc_coherent(struct device *dev, size_t size,
+                                      dma_addr_t *dma_handle, gfp_t flag)
+{
+       struct dma_mapping_ops *dma_ops = get_dma_ops(dev);
+
+       BUG_ON(!dma_ops);
+       return dma_ops->alloc_coherent(dev, size, dma_handle, flag);
+}
+
+static inline void dma_free_coherent(struct device *dev, size_t size,
+                                    void *cpu_addr, dma_addr_t dma_handle)
+{
+       struct dma_mapping_ops *dma_ops = get_dma_ops(dev);
+
+       BUG_ON(!dma_ops);
+       dma_ops->free_coherent(dev, size, cpu_addr, dma_handle);
+}
+
+static inline dma_addr_t dma_map_single(struct device *dev, void *cpu_addr,
+                                       size_t size,
+                                       enum dma_data_direction direction)
+{
+       struct dma_mapping_ops *dma_ops = get_dma_ops(dev);
+
+       BUG_ON(!dma_ops);
+       return dma_ops->map_single(dev, cpu_addr, size, direction);
+}
+
+static inline void dma_unmap_single(struct device *dev, dma_addr_t dma_addr,
+                                   size_t size,
+                                   enum dma_data_direction direction)
+{
+       struct dma_mapping_ops *dma_ops = get_dma_ops(dev);
+
+       BUG_ON(!dma_ops);
+       dma_ops->unmap_single(dev, dma_addr, size, direction);
+}
+
+static inline dma_addr_t dma_map_page(struct device *dev, struct page *page,
+                                     unsigned long offset, size_t size,
+                                     enum dma_data_direction direction)
+{
+       struct dma_mapping_ops *dma_ops = get_dma_ops(dev);
+
+       BUG_ON(!dma_ops);
+       return dma_ops->map_single(dev, page_address(page) + offset, size,
+                       direction);
+}
 
 static inline void dma_unmap_page(struct device *dev, dma_addr_t dma_address,
                                  size_t size,