The patch titled
dma-mapping: arm: use generic pci_set_dma_mask and pci_set_consistent_dma_mask
has been added to the -mm tree. Its filename is
dma-mapping-arm-use-generic-pci_set_dma_mask-and-pci_set_consistent_dma_mask.patch
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------------------------------------------------------
Subject: dma-mapping: arm: use generic pci_set_dma_mask and pci_set_consistent_dma_mask
From: FUJITA Tomonori <fujita.tomonori@xxxxxxxxxxxxx>
This converts arm to the generic pci_set_dma_mask and
pci_set_consistent_dma_mask (removes HAVE_ARCH_PCI_SET_DMA_MASK for
dmabounce).
Signed-off-by: FUJITA Tomonori <fujita.tomonori@xxxxxxxxxxxxx>
Looked-over-by: Russell King <rmk+kernel@xxxxxxxxxxxxxxxx>
Cc: Jesse Barnes <jbarnes@xxxxxxxxxxxxxxxx>
Cc: Greg KH <greg@xxxxxxxxx>
Cc: Kay Sievers <kay.sievers@xxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
arch/arm/common/it8152.c | 27 -----------------
arch/arm/include/asm/dma-mapping.h | 8 +++++
arch/arm/mach-ixp4xx/common-pci.c | 26 ----------------
arch/arm/mach-ixp4xx/include/mach/hardware.h | 5 ---
arch/arm/mach-pxa/include/mach/hardware.h | 1
5 files changed, 8 insertions(+), 59 deletions(-)
diff -puN arch/arm/common/it8152.c~dma-mapping-arm-use-generic-pci_set_dma_mask-and-pci_set_consistent_dma_mask arch/arm/common/it8152.c
--- a/arch/arm/common/it8152.c~dma-mapping-arm-use-generic-pci_set_dma_mask-and-pci_set_consistent_dma_mask
+++ a/arch/arm/common/it8152.c
@@ -272,33 +272,6 @@ int dma_needs_bounce(struct device *dev,
((dma_addr + size - PHYS_OFFSET) >= SZ_64M);
}
-/*
- * We override these so we properly do dmabounce otherwise drivers
- * are able to set the dma_mask to 0xffffffff and we can no longer
- * trap bounces. :(
- *
- * We just return true on everyhing except for < 64MB in which case
- * we will fail miseralby and die since we can't handle that case.
- */
-int pci_set_dma_mask(struct pci_dev *dev, u64 mask)
-{
- dev_dbg(&dev->dev, "%s: %llx\n", __func__, mask);
- if (mask >= PHYS_OFFSET + SZ_64M - 1)
- return 0;
-
- return -EIO;
-}
-
-int
-pci_set_consistent_dma_mask(struct pci_dev *dev, u64 mask)
-{
- dev_dbg(&dev->dev, "%s: %llx\n", __func__, mask);
- if (mask >= PHYS_OFFSET + SZ_64M - 1)
- return 0;
-
- return -EIO;
-}
-
int __init it8152_pci_setup(int nr, struct pci_sys_data *sys)
{
it8152_io.start = IT8152_IO_BASE + 0x12000;
diff -puN arch/arm/include/asm/dma-mapping.h~dma-mapping-arm-use-generic-pci_set_dma_mask-and-pci_set_consistent_dma_mask arch/arm/include/asm/dma-mapping.h
--- a/arch/arm/include/asm/dma-mapping.h~dma-mapping-arm-use-generic-pci_set_dma_mask-and-pci_set_consistent_dma_mask
+++ a/arch/arm/include/asm/dma-mapping.h
@@ -128,6 +128,14 @@ static inline int dma_supported(struct d
static inline int dma_set_mask(struct device *dev, u64 dma_mask)
{
+#ifdef CONFIG_DMABOUNCE
+ if (dev->archdata.dmabounce) {
+ if (dma_mask >= ISA_DMA_THRESHOLD)
+ return 0;
+ else
+ return -EIO;
+ }
+#endif
if (!dev->dma_mask || !dma_supported(dev, dma_mask))
return -EIO;
diff -puN arch/arm/mach-ixp4xx/common-pci.c~dma-mapping-arm-use-generic-pci_set_dma_mask-and-pci_set_consistent_dma_mask arch/arm/mach-ixp4xx/common-pci.c
--- a/arch/arm/mach-ixp4xx/common-pci.c~dma-mapping-arm-use-generic-pci_set_dma_mask-and-pci_set_consistent_dma_mask
+++ a/arch/arm/mach-ixp4xx/common-pci.c
@@ -502,32 +502,6 @@ struct pci_bus * __devinit ixp4xx_scan_b
return pci_scan_bus(sys->busnr, &ixp4xx_ops, sys);
}
-/*
- * We override these so we properly do dmabounce otherwise drivers
- * are able to set the dma_mask to 0xffffffff and we can no longer
- * trap bounces. :(
- *
- * We just return true on everyhing except for < 64MB in which case
- * we will fail miseralby and die since we can't handle that case.
- */
-int
-pci_set_dma_mask(struct pci_dev *dev, u64 mask)
-{
- if (mask >= SZ_64M - 1 )
- return 0;
-
- return -EIO;
-}
-
-int
-pci_set_consistent_dma_mask(struct pci_dev *dev, u64 mask)
-{
- if (mask >= SZ_64M - 1 )
- return 0;
-
- return -EIO;
-}
-
EXPORT_SYMBOL(ixp4xx_pci_read);
EXPORT_SYMBOL(ixp4xx_pci_write);
diff -puN arch/arm/mach-ixp4xx/include/mach/hardware.h~dma-mapping-arm-use-generic-pci_set_dma_mask-and-pci_set_consistent_dma_mask arch/arm/mach-ixp4xx/include/mach/hardware.h
--- a/arch/arm/mach-ixp4xx/include/mach/hardware.h~dma-mapping-arm-use-generic-pci_set_dma_mask-and-pci_set_consistent_dma_mask
+++ a/arch/arm/mach-ixp4xx/include/mach/hardware.h
@@ -26,11 +26,6 @@
#define PCIBIOS_MAX_MEM 0x4BFFFFFF
#endif
-/*
- * We override the standard dma-mask routines for bouncing.
- */
-#define HAVE_ARCH_PCI_SET_DMA_MASK
-
#define pcibios_assign_all_busses() 1
/* Register locations and bits */
diff -puN arch/arm/mach-pxa/include/mach/hardware.h~dma-mapping-arm-use-generic-pci_set_dma_mask-and-pci_set_consistent_dma_mask arch/arm/mach-pxa/include/mach/hardware.h
--- a/arch/arm/mach-pxa/include/mach/hardware.h~dma-mapping-arm-use-generic-pci_set_dma_mask-and-pci_set_consistent_dma_mask
+++ a/arch/arm/mach-pxa/include/mach/hardware.h
@@ -314,7 +314,6 @@ extern unsigned long get_clock_tick_rate
#define PCIBIOS_MIN_IO 0
#define PCIBIOS_MIN_MEM 0
#define pcibios_assign_all_busses() 1
-#define HAVE_ARCH_PCI_SET_DMA_MASK 1
#endif
_
Patches currently in -mm which might be from fujita.tomonori@xxxxxxxxxxxxx are
origin.patch
linux-next.patch
scsi-add-__init-__exit-macros-to-ibmvstgtc.patch
frv-remove-pci_dma_sync_single-and-pci_dma_sync_sg.patch
documentation-dma-apitxt-remove-deprecated-function-descriptions.patch
dma-apitxt-add-dma_sync_single-sg-api-description.patch
dma-apitxt-remove-dma_sync_single_range-description.patch
alpha-remove-dma_sync_single_range.patch
um-remove-dma_sync_single_range.patch
pci-dma-add-include-linux-pci-dmah.patch
pci-dma-x86-use-include-linux-pci-dmah.patch
pci-dma-alpha-use-include-linux-pci-dmah.patch
pci-dma-arm-use-include-linux-pci-dmah.patch
pci-dma-frv-use-include-linux-pci-dmah.patch
pci-dma-ia64-use-include-linux-pci-dmah.patch
pci-dma-mips-use-include-linux-pci-dmah.patch
pci-dma-parisc-use-include-linux-pci-dmah.patch
pci-dma-powerpc-use-include-linux-pci-dmah.patch
pci-dma-sh-use-include-linux-pci-dmah.patch
pci-dma-sparc-use-include-linux-pci-dmah.patch
pci-dma-xtensa-use-include-linux-pci-dmah.patch
pci-dma-cris-use-include-linux-pci-dmah.patch
pci-dma-add-linux-pci-dmah-to-linux-pcih.patch
dma-mappingh-add-the-dma_unmap-state-api.patch
frv-remove-the-obsolete-and-unnecessary-dma-api-comments.patch
blackfin-remove-the-obsolete-and-unnecessary-dma-api-comments.patch
mn10300-remove-the-obsolete-and-unnecessary-dma-api-comments.patch
dma-mapping-sparc-unify-32bit-and-64bit-dma_set_mask.patch
dma-mapping-alpha-use-include-linux-pci-dma-compath.patch
dma-mapping-pci-convert-pci_set_dma_mask-to-call-dma_set_mask.patch
dma-mapping-dma-mappingh-add-dma_set_coherent_mask.patch
dma-mapping-powerpc-use-generic-pci_set_dma_mask-and-pci_set_consistent_dma_mask.patch
dma-mapping-arm-use-generic-pci_set_dma_mask-and-pci_set_consistent_dma_mask.patch
dma-mapping-pci-move-pci_set_dma_mask-and-pci_set_consistent_dma_mask-to-pci-dma-compath.patch
--
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