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Message-Id: <1430477175-5181-1-git-send-email-hch@lst.de>
Date: Fri, 1 May 2015 12:46:15 +0200
From: Christoph Hellwig <hch@....de>
To: Jens Axboe <axboe@...nel.dk>
Cc: linux-kernel@...r.kernel.org
Subject: [PATCH] remove <asm/scatterlist.h>
We don't have any arch specific scatterlist now that parisc switched over
to the generic one.
Signed-off-by: Christoph Hellwig <hch@....de>
---
arch/alpha/include/asm/pci.h | 2 +-
arch/arm/include/asm/dma.h | 2 +-
arch/arm/mach-footbridge/dma.c | 2 +-
arch/blackfin/include/asm/pci.h | 2 +-
arch/cris/include/asm/dma-mapping.h | 2 +-
arch/cris/include/asm/pci.h | 2 +-
arch/frv/include/asm/dma-mapping.h | 2 +-
arch/frv/include/asm/pci.h | 2 +-
arch/ia64/include/asm/pci.h | 2 +-
arch/microblaze/include/asm/pci.h | 2 +-
arch/mips/include/asm/dma-mapping.h | 2 +-
arch/mips/include/asm/pci.h | 2 +-
arch/mn10300/include/asm/pci.h | 2 +-
arch/parisc/include/asm/dma-mapping.h | 2 +-
arch/parisc/include/asm/pci.h | 2 +-
arch/powerpc/include/asm/pci.h | 2 +-
arch/powerpc/include/asm/vio.h | 2 +-
arch/sparc/kernel/iommu_common.h | 2 +-
arch/x86/include/asm/pci.h | 2 +-
arch/xtensa/include/asm/pci.h | 2 +-
drivers/mmc/host/android-goldfish.c | 2 +-
include/asm-generic/scatterlist.h | 34 ------------------------------
include/linux/blkdev.h | 3 +--
include/linux/dmapool.h | 2 +-
include/linux/scatterlist.h | 39 ++++++++++++++++++++++++++++-------
lib/swiotlb.c | 2 +-
26 files changed, 56 insertions(+), 66 deletions(-)
delete mode 100644 include/asm-generic/scatterlist.h
diff --git a/arch/alpha/include/asm/pci.h b/arch/alpha/include/asm/pci.h
index f7f680f..bf7d97d 100644
--- a/arch/alpha/include/asm/pci.h
+++ b/arch/alpha/include/asm/pci.h
@@ -5,7 +5,7 @@
#include <linux/spinlock.h>
#include <linux/dma-mapping.h>
-#include <asm/scatterlist.h>
+#include <linux/scatterlist.h>
#include <asm/machvec.h>
#include <asm-generic/pci-bridge.h>
diff --git a/arch/arm/include/asm/dma.h b/arch/arm/include/asm/dma.h
index 9908443..bb4fa67 100644
--- a/arch/arm/include/asm/dma.h
+++ b/arch/arm/include/asm/dma.h
@@ -19,7 +19,7 @@
* It should not be re-used except for that purpose.
*/
#include <linux/spinlock.h>
-#include <asm/scatterlist.h>
+#include <linux/scatterlist.h>
#include <mach/isa-dma.h>
diff --git a/arch/arm/mach-footbridge/dma.c b/arch/arm/mach-footbridge/dma.c
index e2e0df8..22536b8 100644
--- a/arch/arm/mach-footbridge/dma.c
+++ b/arch/arm/mach-footbridge/dma.c
@@ -13,9 +13,9 @@
#include <linux/init.h>
#include <linux/io.h>
#include <linux/spinlock.h>
+#include <linux/scatterlist.h>
#include <asm/dma.h>
-#include <asm/scatterlist.h>
#include <asm/mach/dma.h>
#include <asm/hardware/dec21285.h>
diff --git a/arch/blackfin/include/asm/pci.h b/arch/blackfin/include/asm/pci.h
index c737909..14efc0d 100644
--- a/arch/blackfin/include/asm/pci.h
+++ b/arch/blackfin/include/asm/pci.h
@@ -3,7 +3,7 @@
#ifndef _ASM_BFIN_PCI_H
#define _ASM_BFIN_PCI_H
-#include <asm/scatterlist.h>
+#include <linux/scatterlist.h>
#include <asm-generic/pci-dma-compat.h>
#include <asm-generic/pci.h>
diff --git a/arch/cris/include/asm/dma-mapping.h b/arch/cris/include/asm/dma-mapping.h
index 2f0f654..57f794e 100644
--- a/arch/cris/include/asm/dma-mapping.h
+++ b/arch/cris/include/asm/dma-mapping.h
@@ -5,10 +5,10 @@
#include <linux/mm.h>
#include <linux/kernel.h>
+#include <linux/scatterlist.h>
#include <asm/cache.h>
#include <asm/io.h>
-#include <asm/scatterlist.h>
#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)
diff --git a/arch/cris/include/asm/pci.h b/arch/cris/include/asm/pci.h
index cc2399c..c15b4b4 100644
--- a/arch/cris/include/asm/pci.h
+++ b/arch/cris/include/asm/pci.h
@@ -29,7 +29,7 @@ int pcibios_set_irq_routing(struct pci_dev *dev, int pin, int irq);
#include <linux/types.h>
#include <linux/slab.h>
-#include <asm/scatterlist.h>
+#include <linux/scatterlist.h>
#include <linux/string.h>
#include <asm/io.h>
diff --git a/arch/frv/include/asm/dma-mapping.h b/arch/frv/include/asm/dma-mapping.h
index 1746a2b..2840adc 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/pci.h b/arch/frv/include/asm/pci.h
index 2035a4d..43d2246 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>
diff --git a/arch/ia64/include/asm/pci.h b/arch/ia64/include/asm/pci.h
index 52af5ed..0c0e25d 100644
--- a/arch/ia64/include/asm/pci.h
+++ b/arch/ia64/include/asm/pci.h
@@ -6,9 +6,9 @@
#include <linux/spinlock.h>
#include <linux/string.h>
#include <linux/types.h>
+#include <linux/scatterlist.h>
#include <asm/io.h>
-#include <asm/scatterlist.h>
#include <asm/hw_irq.h>
struct pci_vector_struct {
diff --git a/arch/microblaze/include/asm/pci.h b/arch/microblaze/include/asm/pci.h
index 468aca8..81f27ae 100644
--- a/arch/microblaze/include/asm/pci.h
+++ b/arch/microblaze/include/asm/pci.h
@@ -16,8 +16,8 @@
#include <linux/string.h>
#include <linux/dma-mapping.h>
#include <linux/pci.h>
+#include <linux/scatterlist.h>
-#include <asm/scatterlist.h>
#include <asm/io.h>
#include <asm/prom.h>
#include <asm/pci-bridge.h>
diff --git a/arch/mips/include/asm/dma-mapping.h b/arch/mips/include/asm/dma-mapping.h
index fd1b4a1..360b338 100644
--- a/arch/mips/include/asm/dma-mapping.h
+++ b/arch/mips/include/asm/dma-mapping.h
@@ -1,7 +1,7 @@
#ifndef _ASM_DMA_MAPPING_H
#define _ASM_DMA_MAPPING_H
-#include <asm/scatterlist.h>
+#include <linux/scatterlist.h>
#include <asm/dma-coherence.h>
#include <asm/cache.h>
#include <asm-generic/dma-coherent.h>
diff --git a/arch/mips/include/asm/pci.h b/arch/mips/include/asm/pci.h
index d969299..3413b10 100644
--- a/arch/mips/include/asm/pci.h
+++ b/arch/mips/include/asm/pci.h
@@ -99,7 +99,7 @@ static inline void pci_resource_to_user(const struct pci_dev *dev, int bar,
#include <linux/types.h>
#include <linux/slab.h>
-#include <asm/scatterlist.h>
+#include <linux/scatterlist.h>
#include <linux/string.h>
#include <asm/io.h>
#include <asm-generic/pci-bridge.h>
diff --git a/arch/mn10300/include/asm/pci.h b/arch/mn10300/include/asm/pci.h
index 5f70af2..393b51d 100644
--- a/arch/mn10300/include/asm/pci.h
+++ b/arch/mn10300/include/asm/pci.h
@@ -55,7 +55,7 @@ void pcibios_set_master(struct pci_dev *dev);
#include <linux/types.h>
#include <linux/slab.h>
-#include <asm/scatterlist.h>
+#include <linux/scatterlist.h>
#include <linux/string.h>
#include <asm/io.h>
diff --git a/arch/parisc/include/asm/dma-mapping.h b/arch/parisc/include/asm/dma-mapping.h
index d0eae5f..d8d60a5 100644
--- a/arch/parisc/include/asm/dma-mapping.h
+++ b/arch/parisc/include/asm/dma-mapping.h
@@ -2,8 +2,8 @@
#define _PARISC_DMA_MAPPING_H
#include <linux/mm.h>
+#include <linux/scatterlist.h>
#include <asm/cacheflush.h>
-#include <asm/scatterlist.h>
/* See Documentation/DMA-API-HOWTO.txt */
struct hppa_dma_ops {
diff --git a/arch/parisc/include/asm/pci.h b/arch/parisc/include/asm/pci.h
index 20df2b0..794d882 100644
--- a/arch/parisc/include/asm/pci.h
+++ b/arch/parisc/include/asm/pci.h
@@ -1,7 +1,7 @@
#ifndef __ASM_PARISC_PCI_H
#define __ASM_PARISC_PCI_H
-#include <asm/scatterlist.h>
+#include <linux/scatterlist.h>
diff --git a/arch/powerpc/include/asm/pci.h b/arch/powerpc/include/asm/pci.h
index 4aef8d6..3be43ab 100644
--- a/arch/powerpc/include/asm/pci.h
+++ b/arch/powerpc/include/asm/pci.h
@@ -13,9 +13,9 @@
#include <linux/slab.h>
#include <linux/string.h>
#include <linux/dma-mapping.h>
+#include <linux/scatterlist.h>
#include <asm/machdep.h>
-#include <asm/scatterlist.h>
#include <asm/io.h>
#include <asm/prom.h>
#include <asm/pci-bridge.h>
diff --git a/arch/powerpc/include/asm/vio.h b/arch/powerpc/include/asm/vio.h
index 4f9b7ca..84286ec 100644
--- a/arch/powerpc/include/asm/vio.h
+++ b/arch/powerpc/include/asm/vio.h
@@ -19,9 +19,9 @@
#include <linux/device.h>
#include <linux/dma-mapping.h>
#include <linux/mod_devicetable.h>
+#include <linux/scatterlist.h>
#include <asm/hvcall.h>
-#include <asm/scatterlist.h>
/*
* Architecture-specific constants for drivers to
diff --git a/arch/sparc/kernel/iommu_common.h b/arch/sparc/kernel/iommu_common.h
index f4be0d7..b40cec2 100644
--- a/arch/sparc/kernel/iommu_common.h
+++ b/arch/sparc/kernel/iommu_common.h
@@ -13,9 +13,9 @@
#include <linux/scatterlist.h>
#include <linux/device.h>
#include <linux/iommu-helper.h>
+#include <linux/scatterlist.h>
#include <asm/iommu.h>
-#include <asm/scatterlist.h>
/*
* These give mapping size of each iommu pte/tlb.
diff --git a/arch/x86/include/asm/pci.h b/arch/x86/include/asm/pci.h
index 4e370a5..81da003 100644
--- a/arch/x86/include/asm/pci.h
+++ b/arch/x86/include/asm/pci.h
@@ -5,7 +5,7 @@
#include <linux/types.h>
#include <linux/slab.h>
#include <linux/string.h>
-#include <asm/scatterlist.h>
+#include <linux/scatterlist.h>
#include <asm/io.h>
#include <asm/x86_init.h>
diff --git a/arch/xtensa/include/asm/pci.h b/arch/xtensa/include/asm/pci.h
index 5d52dc4..e438a00 100644
--- a/arch/xtensa/include/asm/pci.h
+++ b/arch/xtensa/include/asm/pci.h
@@ -33,7 +33,7 @@ extern struct pci_controller* pcibios_alloc_controller(void);
#include <linux/types.h>
#include <linux/slab.h>
-#include <asm/scatterlist.h>
+#include <linux/scatterlist.h>
#include <linux/string.h>
#include <asm/io.h>
diff --git a/drivers/mmc/host/android-goldfish.c b/drivers/mmc/host/android-goldfish.c
index 8b4e20a..b1eac71 100644
--- a/drivers/mmc/host/android-goldfish.c
+++ b/drivers/mmc/host/android-goldfish.c
@@ -42,10 +42,10 @@
#include <linux/spinlock.h>
#include <linux/timer.h>
#include <linux/clk.h>
+#include <linux/scatterlist.h>
#include <asm/io.h>
#include <asm/irq.h>
-#include <asm/scatterlist.h>
#include <asm/types.h>
#include <asm/io.h>
diff --git a/include/asm-generic/scatterlist.h b/include/asm-generic/scatterlist.h
deleted file mode 100644
index 5de0735..0000000
--- a/include/asm-generic/scatterlist.h
+++ /dev/null
@@ -1,34 +0,0 @@
-#ifndef __ASM_GENERIC_SCATTERLIST_H
-#define __ASM_GENERIC_SCATTERLIST_H
-
-#include <linux/types.h>
-
-struct scatterlist {
-#ifdef CONFIG_DEBUG_SG
- unsigned long sg_magic;
-#endif
- unsigned long page_link;
- unsigned int offset;
- unsigned int length;
- dma_addr_t dma_address;
-#ifdef CONFIG_NEED_SG_DMA_LENGTH
- unsigned int dma_length;
-#endif
-};
-
-/*
- * These macros should be used after a dma_map_sg call has been done
- * to get bus addresses of each of the SG entries and their lengths.
- * You should only work with the number of sg entries pci_map_sg
- * returns, or alternatively stop on the first sg_dma_len(sg) which
- * is 0.
- */
-#define sg_dma_address(sg) ((sg)->dma_address)
-
-#ifdef CONFIG_NEED_SG_DMA_LENGTH
-#define sg_dma_len(sg) ((sg)->dma_length)
-#else
-#define sg_dma_len(sg) ((sg)->length)
-#endif
-
-#endif /* __ASM_GENERIC_SCATTERLIST_H */
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 7f9a516..504af1e 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -22,8 +22,7 @@
#include <linux/smp.h>
#include <linux/rcupdate.h>
#include <linux/percpu-refcount.h>
-
-#include <asm/scatterlist.h>
+#include <linux/scatterlist.h>
struct module;
struct scsi_ioctl_command;
diff --git a/include/linux/dmapool.h b/include/linux/dmapool.h
index 52456aa..e1043f7 100644
--- a/include/linux/dmapool.h
+++ b/include/linux/dmapool.h
@@ -11,8 +11,8 @@
#ifndef LINUX_DMAPOOL_H
#define LINUX_DMAPOOL_H
+#include <linux/scatterlist.h>
#include <asm/io.h>
-#include <asm/scatterlist.h>
struct device;
diff --git a/include/linux/scatterlist.h b/include/linux/scatterlist.h
index ed8f9e7..eca1ec9 100644
--- a/include/linux/scatterlist.h
+++ b/include/linux/scatterlist.h
@@ -2,13 +2,39 @@
#define _LINUX_SCATTERLIST_H
#include <linux/string.h>
+#include <linux/types.h>
#include <linux/bug.h>
#include <linux/mm.h>
-
-#include <asm/types.h>
-#include <asm/scatterlist.h>
#include <asm/io.h>
+struct scatterlist {
+#ifdef CONFIG_DEBUG_SG
+ unsigned long sg_magic;
+#endif
+ unsigned long page_link;
+ unsigned int offset;
+ unsigned int length;
+ dma_addr_t dma_address;
+#ifdef CONFIG_NEED_SG_DMA_LENGTH
+ unsigned int dma_length;
+#endif
+};
+
+/*
+ * These macros should be used after a dma_map_sg call has been done
+ * to get bus addresses of each of the SG entries and their lengths.
+ * You should only work with the number of sg entries dma_map_sg
+ * returns, or alternatively stop on the first sg_dma_len(sg) which
+ * is 0.
+ */
+#define sg_dma_address(sg) ((sg)->dma_address)
+
+#ifdef CONFIG_NEED_SG_DMA_LENGTH
+#define sg_dma_len(sg) ((sg)->dma_length)
+#else
+#define sg_dma_len(sg) ((sg)->length)
+#endif
+
struct sg_table {
struct scatterlist *sgl; /* the list */
unsigned int nents; /* number of mapped entries */
@@ -18,10 +44,9 @@ struct sg_table {
/*
* Notes on SG table design.
*
- * Architectures must provide an unsigned long page_link field in the
- * scatterlist struct. We use that to place the page pointer AND encode
- * information about the sg table as well. The two lower bits are reserved
- * for this information.
+ * We use the unsigned long page_link field in the scatterlist struct to place
+ * the page pointer AND encode information about the sg table as well. The two
+ * lower bits are reserved for this information.
*
* If bit 0 is set, then the page_link contains a pointer to the next sg
* table list. Otherwise the next entry is at sg + 1.
diff --git a/lib/swiotlb.c b/lib/swiotlb.c
index 4abda07..3412688 100644
--- a/lib/swiotlb.c
+++ b/lib/swiotlb.c
@@ -29,10 +29,10 @@
#include <linux/ctype.h>
#include <linux/highmem.h>
#include <linux/gfp.h>
+#include <linux/scatterlist.h>
#include <asm/io.h>
#include <asm/dma.h>
-#include <asm/scatterlist.h>
#include <linux/init.h>
#include <linux/bootmem.h>
--
1.9.1
--
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