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-rw-r--r--arch/frv/include/asm/dma-mapping.h41
-rw-r--r--arch/frv/include/asm/pci.h8
-rw-r--r--arch/frv/include/asm/ptrace.h2
-rw-r--r--arch/frv/include/asm/segment.h6
-rw-r--r--arch/frv/include/asm/uaccess.h2
-rw-r--r--arch/frv/include/asm/unistd.h1
6 files changed, 9 insertions, 51 deletions
diff --git a/arch/frv/include/asm/dma-mapping.h b/arch/frv/include/asm/dma-mapping.h
index b2898877c07..6af5d83e2fb 100644
--- a/arch/frv/include/asm/dma-mapping.h
+++ b/arch/frv/include/asm/dma-mapping.h
@@ -7,6 +7,11 @@
#include <asm/scatterlist.h>
#include <asm/io.h>
+/*
+ * See Documentation/DMA-API.txt for the description of how the
+ * following DMA API should work.
+ */
+
#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)
@@ -16,24 +21,9 @@ extern unsigned long __nongprelbss dma_coherent_mem_end;
void *dma_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle, gfp_t gfp);
void dma_free_coherent(struct device *dev, size_t size, void *vaddr, dma_addr_t dma_handle);
-/*
- * Map a single buffer of the indicated size for DMA in streaming mode.
- * The 32-bit bus address to use is returned.
- *
- * Once the device is given the dma address, the device owns this memory
- * until either pci_unmap_single or pci_dma_sync_single is performed.
- */
extern dma_addr_t dma_map_single(struct device *dev, void *ptr, size_t size,
enum dma_data_direction direction);
-/*
- * Unmap a single streaming mode DMA translation. The dma_addr and size
- * must match what was provided for in a previous pci_map_single call. All
- * other usages are undefined.
- *
- * After this call, reads by the cpu to the buffer are guarenteed 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)
@@ -41,30 +31,9 @@ void dma_unmap_single(struct device *dev, dma_addr_t dma_addr, size_t size,
BUG_ON(direction == DMA_NONE);
}
-/*
- * Map a set of buffers described by scatterlist in streaming
- * mode for DMA. This is the scather-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.
- */
extern int dma_map_sg(struct device *dev, struct scatterlist *sg, int nents,
enum dma_data_direction 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)
diff --git a/arch/frv/include/asm/pci.h b/arch/frv/include/asm/pci.h
index 8c7260a3cd4..0d599790985 100644
--- a/arch/frv/include/asm/pci.h
+++ b/arch/frv/include/asm/pci.h
@@ -43,14 +43,6 @@ extern void pci_free_consistent(struct pci_dev *hwdev, size_t size,
/* Return the index of the PCI controller for device PDEV. */
#define pci_controller_num(PDEV) (0)
-/* pci_unmap_{page,single} is a nop so... */
-#define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME)
-#define DECLARE_PCI_UNMAP_LEN(LEN_NAME)
-#define pci_unmap_addr(PTR, ADDR_NAME) (0)
-#define pci_unmap_addr_set(PTR, ADDR_NAME, VAL) do { } while (0)
-#define pci_unmap_len(PTR, LEN_NAME) (0)
-#define pci_unmap_len_set(PTR, LEN_NAME, VAL) do { } while (0)
-
#ifdef CONFIG_PCI
static inline void pci_dma_burst_advice(struct pci_dev *pdev,
enum pci_dma_burst_strategy *strat,
diff --git a/arch/frv/include/asm/ptrace.h b/arch/frv/include/asm/ptrace.h
index a54b535c9e4..6bfad4cf190 100644
--- a/arch/frv/include/asm/ptrace.h
+++ b/arch/frv/include/asm/ptrace.h
@@ -84,8 +84,6 @@ extern void show_regs(struct pt_regs *);
#define task_pt_regs(task) ((task)->thread.frame0)
#define arch_has_single_step() (1)
-extern void user_enable_single_step(struct task_struct *);
-extern void user_disable_single_step(struct task_struct *);
#endif /* !__ASSEMBLY__ */
#endif /* __KERNEL__ */
diff --git a/arch/frv/include/asm/segment.h b/arch/frv/include/asm/segment.h
index e3616a6f941..a2320a4a004 100644
--- a/arch/frv/include/asm/segment.h
+++ b/arch/frv/include/asm/segment.h
@@ -21,12 +21,12 @@ typedef struct {
#define MAKE_MM_SEG(s) ((mm_segment_t) { (s) })
-#define KERNEL_DS MAKE_MM_SEG(0xdfffffffUL)
-
#ifdef CONFIG_MMU
#define USER_DS MAKE_MM_SEG(TASK_SIZE - 1)
+#define KERNEL_DS MAKE_MM_SEG(0xdfffffffUL)
#else
-#define USER_DS KERNEL_DS
+#define USER_DS MAKE_MM_SEG(memory_end)
+#define KERNEL_DS MAKE_MM_SEG(0xe0000000UL)
#endif
#define get_ds() (KERNEL_DS)
diff --git a/arch/frv/include/asm/uaccess.h b/arch/frv/include/asm/uaccess.h
index 53650c958f4..0b67ec5b441 100644
--- a/arch/frv/include/asm/uaccess.h
+++ b/arch/frv/include/asm/uaccess.h
@@ -27,8 +27,6 @@
#define VERIFY_READ 0
#define VERIFY_WRITE 1
-#define __addr_ok(addr) ((unsigned long)(addr) < get_addr_limit())
-
/*
* check that a range of addresses falls within the current address limit
*/
diff --git a/arch/frv/include/asm/unistd.h b/arch/frv/include/asm/unistd.h
index be6ef0f5cd4..b28da499e22 100644
--- a/arch/frv/include/asm/unistd.h
+++ b/arch/frv/include/asm/unistd.h
@@ -354,6 +354,7 @@
#define __ARCH_WANT_STAT64
#define __ARCH_WANT_SYS_ALARM
/* #define __ARCH_WANT_SYS_GETHOSTNAME */
+#define __ARCH_WANT_SYS_IPC
#define __ARCH_WANT_SYS_PAUSE
/* #define __ARCH_WANT_SYS_SGETMASK */
/* #define __ARCH_WANT_SYS_SIGNAL */