Merge branch 'master' into for-next

Sync with Linus' tree so that patches against newer codebase can be applied.

Signed-off-by: Jiri Kosina <jkosina@suse.cz>

7 files changed, 22 insertions, 352 deletions

diff --git a/arch/avr32/include/asm/checksum.h b/arch/avr32/include/asm/checksum.h
index 4ddbfd2486af..4ab7d5bdaf53 100644
--- a/arch/avr32/include/asm/checksum.h
+++ b/arch/avr32/include/asm/checksum.h
@@ -111,9 +111,8 @@ static inline __sum16 csum_fold(__wsum sum)
 }
 
 static inline __wsum csum_tcpudp_nofold(__be32 saddr, __be32 daddr,
-					       unsigned short len,
-					       unsigned short proto,
-					       __wsum sum)
+					__u32 len, __u8 proto,
+					__wsum sum)
 {
 	asm("	add	%0, %1\n"
 	    "	adc	%0, %0, %2\n"
@@ -132,9 +131,8 @@ static inline __wsum csum_tcpudp_nofold(__be32 saddr, __be32 daddr,
  * returns a 16-bit checksum, already complemented
  */
 static inline __sum16 csum_tcpudp_magic(__be32 saddr, __be32 daddr,
-						   unsigned short len,
-						   unsigned short proto,
-						   __wsum sum)
+					__u32 len, __u8 proto,
+					__wsum sum)
 {
 	return csum_fold(csum_tcpudp_nofold(saddr,daddr,len,proto,sum));
 }
diff --git a/arch/avr32/include/asm/cmpxchg.h b/arch/avr32/include/asm/cmpxchg.h
index 366bbeaeb405..572739b4c4b4 100644
--- a/arch/avr32/include/asm/cmpxchg.h
+++ b/arch/avr32/include/asm/cmpxchg.h
@@ -57,7 +57,7 @@ static inline unsigned long __cmpxchg_u32(volatile int *m, unsigned long old,
 		"	brne	1b\n"
 		"2:\n"
 		: [ret] "=&r"(ret), [m] "=m"(*m)
-		: "m"(m), [old] "ir"(old), [new] "r"(new)
+		: "m"(m), [old] "Ks21r"(old), [new] "r"(new)
 		: "memory", "cc");
 	return ret;
 }
diff --git a/arch/avr32/include/asm/dma-mapping.h b/arch/avr32/include/asm/dma-mapping.h
index ae7ac9205d20..1115f2a645d1 100644
--- a/arch/avr32/include/asm/dma-mapping.h
+++ b/arch/avr32/include/asm/dma-mapping.h
@@ -1,350 +1,14 @@
 #ifndef __ASM_AVR32_DMA_MAPPING_H
 #define __ASM_AVR32_DMA_MAPPING_H
 
-#include <linux/mm.h>
-#include <linux/device.h>
-#include <linux/scatterlist.h>
-#include <asm/processor.h>
-#include <asm/cacheflush.h>
-#include <asm/io.h>
-
 extern void dma_cache_sync(struct device *dev, void *vaddr, size_t size,
 	int direction);
 
-/*
- * Return whether the given device DMA address mask can be supported
- * properly.  For example, if your device can only drive the low 24-bits
- * during bus mastering, then you would pass 0x00ffffff as the mask
- * to this function.
- */
-static inline int dma_supported(struct device *dev, u64 mask)
-{
-	/* Fix when needed. I really don't know of any limitations */
-	return 1;
-}
-
-static inline int dma_set_mask(struct device *dev, u64 dma_mask)
-{
-	if (!dev->dma_mask || !dma_supported(dev, dma_mask))
-		return -EIO;
-
-	*dev->dma_mask = dma_mask;
-	return 0;
-}
+extern struct dma_map_ops avr32_dma_ops;
 
-/*
- * dma_map_single can't fail as it is implemented now.
- */
-static inline int dma_mapping_error(struct device *dev, dma_addr_t addr)
+static inline struct dma_map_ops *get_dma_ops(struct device *dev)
 {
-	return 0;
+	return &avr32_dma_ops;
 }
 
-/**
- * dma_alloc_coherent - allocate consistent memory for DMA
- * @dev: valid struct device pointer, or NULL for ISA and EISA-like devices
- * @size: required memory size
- * @handle: bus-specific DMA address
- *
- * Allocate some uncached, unbuffered memory for a device for
- * performing DMA.  This function allocates pages, and will
- * return the CPU-viewed address, and sets @handle to be the
- * device-viewed address.
- */
-extern void *dma_alloc_coherent(struct device *dev, size_t size,
-				dma_addr_t *handle, gfp_t gfp);
-
-/**
- * dma_free_coherent - free memory allocated by dma_alloc_coherent
- * @dev: valid struct device pointer, or NULL for ISA and EISA-like devices
- * @size: size of memory originally requested in dma_alloc_coherent
- * @cpu_addr: CPU-view address returned from dma_alloc_coherent
- * @handle: device-view address returned from dma_alloc_coherent
- *
- * Free (and unmap) a DMA buffer previously allocated by
- * dma_alloc_coherent().
- *
- * References to memory and mappings associated with cpu_addr/handle
- * during and after this call executing are illegal.
- */
-extern void dma_free_coherent(struct device *dev, size_t size,
-			      void *cpu_addr, dma_addr_t handle);
-
-/**
- * dma_alloc_writecombine - allocate write-combining memory for DMA
- * @dev: valid struct device pointer, or NULL for ISA and EISA-like devices
- * @size: required memory size
- * @handle: bus-specific DMA address
- *
- * Allocate some uncached, buffered memory for a device for
- * performing DMA.  This function allocates pages, and will
- * return the CPU-viewed address, and sets @handle to be the
- * device-viewed address.
- */
-extern void *dma_alloc_writecombine(struct device *dev, size_t size,
-				    dma_addr_t *handle, gfp_t gfp);
-
-/**
- * dma_free_coherent - free memory allocated by dma_alloc_writecombine
- * @dev: valid struct device pointer, or NULL for ISA and EISA-like devices
- * @size: size of memory originally requested in dma_alloc_writecombine
- * @cpu_addr: CPU-view address returned from dma_alloc_writecombine
- * @handle: device-view address returned from dma_alloc_writecombine
- *
- * Free (and unmap) a DMA buffer previously allocated by
- * dma_alloc_writecombine().
- *
- * References to memory and mappings associated with cpu_addr/handle
- * during and after this call executing are illegal.
- */
-extern void dma_free_writecombine(struct device *dev, size_t size,
-				  void *cpu_addr, dma_addr_t handle);
-
-/**
- * dma_map_single - map a single buffer for streaming DMA
- * @dev: valid struct device pointer, or NULL for ISA and EISA-like devices
- * @cpu_addr: CPU direct mapped address of buffer
- * @size: size of buffer to map
- * @dir: DMA transfer direction
- *
- * Ensure that any data held in the cache is appropriately discarded
- * or written back.
- *
- * The device owns this memory once this call has completed.  The CPU
- * can regain ownership by calling dma_unmap_single() or dma_sync_single().
- */
-static inline dma_addr_t
-dma_map_single(struct device *dev, void *cpu_addr, size_t size,
-	       enum dma_data_direction direction)
-{
-	dma_cache_sync(dev, cpu_addr, size, direction);
-	return virt_to_bus(cpu_addr);
-}
-
-/**
- * dma_unmap_single - unmap a single buffer previously mapped
- * @dev: valid struct device pointer, or NULL for ISA and EISA-like devices
- * @handle: DMA address of buffer
- * @size: size of buffer to map
- * @dir: DMA transfer direction
- *
- * Unmap a single streaming mode DMA translation.  The handle and size
- * must match what was provided in the previous dma_map_single() call.
- * All other usages are undefined.
- *
- * After this call, reads by the CPU to the buffer are guaranteed to see
- * whatever the device wrote there.
- */
-static inline void
-dma_unmap_single(struct device *dev, dma_addr_t dma_addr, size_t size,
-		 enum dma_data_direction direction)
-{
-
-}
-
-/**
- * dma_map_page - map a portion of a page for streaming DMA
- * @dev: valid struct device pointer, or NULL for ISA and EISA-like devices
- * @page: page that buffer resides in
- * @offset: offset into page for start of buffer
- * @size: size of buffer to map
- * @dir: DMA transfer direction
- *
- * Ensure that any data held in the cache is appropriately discarded
- * or written back.
- *
- * The device owns this memory once this call has completed.  The CPU
- * can regain ownership by calling dma_unmap_page() or dma_sync_single().
- */
-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)
-{
-	return dma_map_single(dev, page_address(page) + offset,
-			      size, direction);
-}
-
-/**
- * dma_unmap_page - unmap a buffer previously mapped through dma_map_page()
- * @dev: valid struct device pointer, or NULL for ISA and EISA-like devices
- * @handle: DMA address of buffer
- * @size: size of buffer to map
- * @dir: DMA transfer direction
- *
- * Unmap a single streaming mode DMA translation.  The handle and size
- * must match what was provided in the previous dma_map_single() call.
- * All other usages are undefined.
- *
- * After this call, reads by the CPU to the buffer are guaranteed to see
- * whatever the device wrote there.
- */
-static inline void
-dma_unmap_page(struct device *dev, dma_addr_t dma_address, size_t size,
-	       enum dma_data_direction direction)
-{
-	dma_unmap_single(dev, dma_address, size, direction);
-}
-
-/**
- * dma_map_sg - map a set of SG buffers for streaming mode DMA
- * @dev: valid struct device pointer, or NULL for ISA and EISA-like devices
- * @sg: list of buffers
- * @nents: number of buffers to map
- * @dir: DMA transfer direction
- *
- * Map a set of buffers described by scatterlist in streaming
- * mode for DMA.  This is the scatter-gather version of the
- * above pci_map_single interface.  Here the scatter gather list
- * elements are each tagged with the appropriate dma address
- * and length.  They are obtained via sg_dma_{address,length}(SG).
- *
- * NOTE: An implementation may be able to use a smaller number of
- *       DMA address/length pairs than there are SG table elements.
- *       (for example via virtual mapping capabilities)
- *       The routine returns the number of addr/length pairs actually
- *       used, at most nents.
- *
- * Device ownership issues as mentioned above for pci_map_single are
- * the same here.
- */
-static inline int
-dma_map_sg(struct device *dev, struct scatterlist *sglist, int nents,
-	   enum dma_data_direction direction)
-{
-	int i;
-	struct scatterlist *sg;
-
-	for_each_sg(sglist, sg, nents, i) {
-		char *virt;
-
-		sg->dma_address = page_to_bus(sg_page(sg)) + sg->offset;
-		virt = sg_virt(sg);
-		dma_cache_sync(dev, virt, sg->length, direction);
-	}
-
-	return nents;
-}
-
-/**
- * dma_unmap_sg - unmap a set of SG buffers mapped by dma_map_sg
- * @dev: valid struct device pointer, or NULL for ISA and EISA-like devices
- * @sg: list of buffers
- * @nents: number of buffers to map
- * @dir: DMA transfer direction
- *
- * Unmap a set of streaming mode DMA translations.
- * Again, CPU read rules concerning calls here are the same as for
- * pci_unmap_single() above.
- */
-static inline void
-dma_unmap_sg(struct device *dev, struct scatterlist *sg, int nhwentries,
-	     enum dma_data_direction direction)
-{
-
-}
-
-/**
- * dma_sync_single_for_cpu
- * @dev: valid struct device pointer, or NULL for ISA and EISA-like devices
- * @handle: DMA address of buffer
- * @size: size of buffer to map
- * @dir: DMA transfer direction
- *
- * Make physical memory consistent for a single streaming mode DMA
- * translation after a transfer.
- *
- * If you perform a dma_map_single() but wish to interrogate the
- * buffer using the cpu, yet do not wish to teardown the DMA mapping,
- * you must call this function before doing so.  At the next point you
- * give the DMA address back to the card, you must first perform a
- * dma_sync_single_for_device, and then the device again owns the
- * buffer.
- */
-static inline void
-dma_sync_single_for_cpu(struct device *dev, dma_addr_t dma_handle,
-			size_t size, enum dma_data_direction direction)
-{
-	/*
-	 * No need to do anything since the CPU isn't supposed to
-	 * touch this memory after we flushed it at mapping- or
-	 * sync-for-device time.
-	 */
-}
-
-static inline void
-dma_sync_single_for_device(struct device *dev, dma_addr_t dma_handle,
-			   size_t size, enum dma_data_direction direction)
-{
-	dma_cache_sync(dev, bus_to_virt(dma_handle), size, direction);
-}
-
-static inline void
-dma_sync_single_range_for_cpu(struct device *dev, dma_addr_t dma_handle,
-			      unsigned long offset, size_t size,
-			      enum dma_data_direction direction)
-{
-	/* just sync everything, that's all the pci API can do */
-	dma_sync_single_for_cpu(dev, dma_handle, offset+size, direction);
-}
-
-static inline void
-dma_sync_single_range_for_device(struct device *dev, dma_addr_t dma_handle,
-				 unsigned long offset, size_t size,
-				 enum dma_data_direction direction)
-{
-	/* just sync everything, that's all the pci API can do */
-	dma_sync_single_for_device(dev, dma_handle, offset+size, direction);
-}
-
-/**
- * dma_sync_sg_for_cpu
- * @dev: valid struct device pointer, or NULL for ISA and EISA-like devices
- * @sg: list of buffers
- * @nents: number of buffers to map
- * @dir: DMA transfer direction
- *
- * Make physical memory consistent for a set of streaming
- * mode DMA translations after a transfer.
- *
- * The same as dma_sync_single_for_* but for a scatter-gather list,
- * same rules and usage.
- */
-static inline void
-dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg,
-		    int nents, enum dma_data_direction direction)
-{
-	/*
-	 * No need to do anything since the CPU isn't supposed to
-	 * touch this memory after we flushed it at mapping- or
-	 * sync-for-device time.
-	 */
-}
-
-static inline void
-dma_sync_sg_for_device(struct device *dev, struct scatterlist *sglist,
-		       int nents, enum dma_data_direction direction)
-{
-	int i;
-	struct scatterlist *sg;
-
-	for_each_sg(sglist, sg, nents, i)
-		dma_cache_sync(dev, sg_virt(sg), sg->length, direction);
-}
-
-/* Now for the API extensions over the pci_ one */
-
-#define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f)
-#define dma_free_noncoherent(d, s, v, h) dma_free_coherent(d, s, v, h)
-
-/* drivers/base/dma-mapping.c */
-extern int dma_common_mmap(struct device *dev, struct vm_area_struct *vma,
-			   void *cpu_addr, dma_addr_t dma_addr, size_t size);
-extern int dma_common_get_sgtable(struct device *dev, struct sg_table *sgt,
-				  void *cpu_addr, dma_addr_t dma_addr,
-				  size_t size);
-
-#define dma_mmap_coherent(d, v, c, h, s) dma_common_mmap(d, v, c, h, s)
-#define dma_get_sgtable(d, t, v, h, s) dma_common_get_sgtable(d, t, v, h, s)
-
 #endif /* __ASM_AVR32_DMA_MAPPING_H */
diff --git a/arch/avr32/include/asm/page.h b/arch/avr32/include/asm/page.h
index f805d1cb11bc..c5d2a3e2c62f 100644
--- a/arch/avr32/include/asm/page.h
+++ b/arch/avr32/include/asm/page.h
@@ -83,11 +83,9 @@ static inline int get_order(unsigned long size)
 
 #ifndef CONFIG_NEED_MULTIPLE_NODES
 
-#define PHYS_PFN_OFFSET		(CONFIG_PHYS_OFFSET >> PAGE_SHIFT)
+#define ARCH_PFN_OFFSET		(CONFIG_PHYS_OFFSET >> PAGE_SHIFT)
 
-#define pfn_to_page(pfn)	(mem_map + ((pfn) - PHYS_PFN_OFFSET))
-#define page_to_pfn(page)	((unsigned long)((page) - mem_map) + PHYS_PFN_OFFSET)
-#define pfn_valid(pfn)		((pfn) >= PHYS_PFN_OFFSET && (pfn) < (PHYS_PFN_OFFSET + max_mapnr))
+#define pfn_valid(pfn)		((pfn) >= ARCH_PFN_OFFSET && (pfn) < (ARCH_PFN_OFFSET + max_mapnr))
 #endif /* CONFIG_NEED_MULTIPLE_NODES */
 
 #define virt_to_page(kaddr)	pfn_to_page(__pa(kaddr) >> PAGE_SHIFT)
@@ -101,4 +99,6 @@ static inline int get_order(unsigned long size)
  */
 #define HIGHMEM_START		0x20000000UL
 
+#include <asm-generic/memory_model.h>
+
 #endif /* __ASM_AVR32_PAGE_H */
diff --git a/arch/avr32/include/asm/pci.h b/arch/avr32/include/asm/pci.h
index a32a02372017..0f5f134b896a 100644
--- a/arch/avr32/include/asm/pci.h
+++ b/arch/avr32/include/asm/pci.h
@@ -5,6 +5,4 @@
 
 #define PCI_DMA_BUS_IS_PHYS	(1)
 
-#include <asm-generic/pci-dma-compat.h>
-
 #endif /* __ASM_AVR32_PCI_H__ */
diff --git a/arch/avr32/include/uapi/asm/socket.h b/arch/avr32/include/uapi/asm/socket.h
index 2b65ed6b277c..1fd147f09a38 100644
--- a/arch/avr32/include/uapi/asm/socket.h
+++ b/arch/avr32/include/uapi/asm/socket.h
@@ -85,4 +85,9 @@
 #define SO_ATTACH_BPF		50
 #define SO_DETACH_BPF		SO_DETACH_FILTER
 
+#define SO_ATTACH_REUSEPORT_CBPF	51
+#define SO_ATTACH_REUSEPORT_EBPF	52
+
+#define SO_CNX_ADVICE		53
+
 #endif /* _UAPI__ASM_AVR32_SOCKET_H */
diff --git a/arch/avr32/include/uapi/asm/unistd.h b/arch/avr32/include/uapi/asm/unistd.h
index bbe2fba565cd..60c0f3afc1f9 100644
--- a/arch/avr32/include/uapi/asm/unistd.h
+++ b/arch/avr32/include/uapi/asm/unistd.h
@@ -333,5 +333,10 @@
 #define __NR_memfd_create	318
 #define __NR_bpf		319
 #define __NR_execveat		320
+#define __NR_accept4		321
+#define __NR_userfaultfd	322
+#define __NR_membarrier		323
+#define __NR_mlock2		324
+#define __NR_copy_file_range    325
 
 #endif /* _UAPI__ASM_AVR32_UNISTD_H */