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-rw-r--r--arch/frv/include/asm/Kbuild1
-rw-r--r--arch/frv/include/asm/dma-mapping.h2
-rw-r--r--arch/frv/include/asm/io.h4
-rw-r--r--arch/frv/include/asm/mm-arch-hooks.h15
-rw-r--r--arch/frv/include/asm/pci.h12
-rw-r--r--arch/frv/include/asm/sections.h6
-rw-r--r--arch/frv/mb93090-mb00/pci-dma-nommu.c10
-rw-r--r--arch/frv/mb93090-mb00/pci-dma.c7
-rw-r--r--arch/frv/mm/fault.c4
-rw-r--r--arch/frv/mm/highmem.c2
10 files changed, 34 insertions, 29 deletions
diff --git a/arch/frv/include/asm/Kbuild b/arch/frv/include/asm/Kbuild
index e3f81b53578e..30edce31e5c2 100644
--- a/arch/frv/include/asm/Kbuild
+++ b/arch/frv/include/asm/Kbuild
@@ -5,5 +5,4 @@ generic-y += exec.h
generic-y += irq_work.h
generic-y += mcs_spinlock.h
generic-y += preempt.h
-generic-y += scatterlist.h
generic-y += trace_clock.h
diff --git a/arch/frv/include/asm/dma-mapping.h b/arch/frv/include/asm/dma-mapping.h
index 1746a2b8e6e7..2840adcd6d92 100644
--- a/arch/frv/include/asm/dma-mapping.h
+++ b/arch/frv/include/asm/dma-mapping.h
@@ -2,9 +2,9 @@
#define _ASM_DMA_MAPPING_H
#include <linux/device.h>
+#include <linux/scatterlist.h>
#include <asm/cache.h>
#include <asm/cacheflush.h>
-#include <asm/scatterlist.h>
#include <asm/io.h>
/*
diff --git a/arch/frv/include/asm/io.h b/arch/frv/include/asm/io.h
index 0b78bc89e840..a31b63ec4930 100644
--- a/arch/frv/include/asm/io.h
+++ b/arch/frv/include/asm/io.h
@@ -17,6 +17,8 @@
#ifdef __KERNEL__
+#define ARCH_HAS_IOREMAP_WT
+
#include <linux/types.h>
#include <asm/virtconvert.h>
#include <asm/string.h>
@@ -265,7 +267,7 @@ static inline void __iomem *ioremap_nocache(unsigned long physaddr, unsigned lon
return __ioremap(physaddr, size, IOMAP_NOCACHE_SER);
}
-static inline void __iomem *ioremap_writethrough(unsigned long physaddr, unsigned long size)
+static inline void __iomem *ioremap_wt(unsigned long physaddr, unsigned long size)
{
return __ioremap(physaddr, size, IOMAP_WRITETHROUGH);
}
diff --git a/arch/frv/include/asm/mm-arch-hooks.h b/arch/frv/include/asm/mm-arch-hooks.h
new file mode 100644
index 000000000000..51d13a870404
--- /dev/null
+++ b/arch/frv/include/asm/mm-arch-hooks.h
@@ -0,0 +1,15 @@
+/*
+ * Architecture specific mm hooks
+ *
+ * Copyright (C) 2015, IBM Corporation
+ * Author: Laurent Dufour <ldufour@linux.vnet.ibm.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef _ASM_FRV_MM_ARCH_HOOKS_H
+#define _ASM_FRV_MM_ARCH_HOOKS_H
+
+#endif /* _ASM_FRV_MM_ARCH_HOOKS_H */
diff --git a/arch/frv/include/asm/pci.h b/arch/frv/include/asm/pci.h
index 2035a4d3f9b9..e43d22c58ad5 100644
--- a/arch/frv/include/asm/pci.h
+++ b/arch/frv/include/asm/pci.h
@@ -14,7 +14,7 @@
#define _ASM_FRV_PCI_H
#include <linux/mm.h>
-#include <asm/scatterlist.h>
+#include <linux/scatterlist.h>
#include <asm-generic/pci-dma-compat.h>
#include <asm-generic/pci.h>
@@ -41,16 +41,6 @@ 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)
-#ifdef CONFIG_PCI
-static inline void pci_dma_burst_advice(struct pci_dev *pdev,
- enum pci_dma_burst_strategy *strat,
- unsigned long *strategy_parameter)
-{
- *strat = PCI_DMA_BURST_INFINITY;
- *strategy_parameter = ~0UL;
-}
-#endif
-
/*
* These are pretty much arbitrary with the CoMEM implementation.
* We have the whole address space to ourselves.
diff --git a/arch/frv/include/asm/sections.h b/arch/frv/include/asm/sections.h
index 17d0fb171bba..d03fb64e93e9 100644
--- a/arch/frv/include/asm/sections.h
+++ b/arch/frv/include/asm/sections.h
@@ -35,12 +35,6 @@ extern unsigned long __nongprelbss memory_start;
extern unsigned long __nongprelbss memory_end;
extern unsigned long __nongprelbss rom_length;
-/* determine if we're running from ROM */
-static inline int is_in_rom(unsigned long addr)
-{
- return 0; /* default case: not in ROM */
-}
-
#endif
#endif
#endif /* _ASM_SECTIONS_H */
diff --git a/arch/frv/mb93090-mb00/pci-dma-nommu.c b/arch/frv/mb93090-mb00/pci-dma-nommu.c
index b99c2a7cc7a4..8eeea0d77aad 100644
--- a/arch/frv/mb93090-mb00/pci-dma-nommu.c
+++ b/arch/frv/mb93090-mb00/pci-dma-nommu.c
@@ -119,14 +119,16 @@ dma_addr_t dma_map_single(struct device *dev, void *ptr, size_t size,
EXPORT_SYMBOL(dma_map_single);
-int dma_map_sg(struct device *dev, struct scatterlist *sg, int nents,
+int dma_map_sg(struct device *dev, struct scatterlist *sglist, int nents,
enum dma_data_direction direction)
{
int i;
+ struct scatterlist *sg;
- for (i=0; i<nents; i++)
- frv_cache_wback_inv(sg_dma_address(&sg[i]),
- sg_dma_address(&sg[i]) + sg_dma_len(&sg[i]));
+ for_each_sg(sglist, sg, nents, i) {
+ frv_cache_wback_inv(sg_dma_address(sg),
+ sg_dma_address(sg) + sg_dma_len(sg));
+ }
BUG_ON(direction == DMA_NONE);
diff --git a/arch/frv/mb93090-mb00/pci-dma.c b/arch/frv/mb93090-mb00/pci-dma.c
index 82478979ac9a..4d1f01dc46e5 100644
--- a/arch/frv/mb93090-mb00/pci-dma.c
+++ b/arch/frv/mb93090-mb00/pci-dma.c
@@ -50,19 +50,20 @@ dma_addr_t dma_map_single(struct device *dev, void *ptr, size_t size,
EXPORT_SYMBOL(dma_map_single);
-int dma_map_sg(struct device *dev, struct scatterlist *sg, int nents,
+int dma_map_sg(struct device *dev, struct scatterlist *sglist, int nents,
enum dma_data_direction direction)
{
unsigned long dampr2;
void *vaddr;
int i;
+ struct scatterlist *sg;
BUG_ON(direction == DMA_NONE);
dampr2 = __get_DAMPR(2);
- for (i = 0; i < nents; i++) {
- vaddr = kmap_atomic_primary(sg_page(&sg[i]));
+ for_each_sg(sglist, sg, nents, i) {
+ vaddr = kmap_atomic_primary(sg_page(sg));
frv_dcache_writeback((unsigned long) vaddr,
(unsigned long) vaddr + PAGE_SIZE);
diff --git a/arch/frv/mm/fault.c b/arch/frv/mm/fault.c
index ec4917ddf678..61d99767fe16 100644
--- a/arch/frv/mm/fault.c
+++ b/arch/frv/mm/fault.c
@@ -19,9 +19,9 @@
#include <linux/kernel.h>
#include <linux/ptrace.h>
#include <linux/hardirq.h>
+#include <linux/uaccess.h>
#include <asm/pgtable.h>
-#include <asm/uaccess.h>
#include <asm/gdb-stub.h>
/*****************************************************************************/
@@ -78,7 +78,7 @@ asmlinkage void do_page_fault(int datammu, unsigned long esr0, unsigned long ear
* If we're in an interrupt or have no user
* context, we must not take the fault..
*/
- if (in_atomic() || !mm)
+ if (faulthandler_disabled() || !mm)
goto no_context;
if (user_mode(__frame))
diff --git a/arch/frv/mm/highmem.c b/arch/frv/mm/highmem.c
index bed9a9bd3c10..785344bbdc07 100644
--- a/arch/frv/mm/highmem.c
+++ b/arch/frv/mm/highmem.c
@@ -42,6 +42,7 @@ void *kmap_atomic(struct page *page)
unsigned long paddr;
int type;
+ preempt_disable();
pagefault_disable();
type = kmap_atomic_idx_push();
paddr = page_to_phys(page);
@@ -85,5 +86,6 @@ void __kunmap_atomic(void *kvaddr)
}
kmap_atomic_idx_pop();
pagefault_enable();
+ preempt_enable();
}
EXPORT_SYMBOL(__kunmap_atomic);
generated by cgit v1.2.3 (git 2.39.0) at 2025-01-11 13:27:51 +0300