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dma-mapping: no need to pass a bus_type into get_arch_dma_ops()

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The get_arch_dma_ops() arch-specific function never does anything with
the struct bus_type that is passed into it, so remove it entirely as it
is not needed.

Cc: Richard Henderson <richard.henderson@linaro.org>
Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Cc: Matt Turner <mattst88@gmail.com>
Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Cc: "James E.J. Bottomley" <James.Bottomley@HansenPartnership.com>
Cc: Helge Deller <deller@gmx.de>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: x86@kernel.org
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Marek Szyprowski <m.szyprowski@samsung.com>
Cc: Robin Murphy <robin.murphy@arm.com>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: linux-alpha@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Cc: linux-ia64@vger.kernel.org
Cc: linux-mips@vger.kernel.org
Cc: linux-parisc@vger.kernel.org
Cc: sparclinux@vger.kernel.org
Cc: iommu@lists.linux.dev
Cc: linux-arch@vger.kernel.org
Acked-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/20230214140121.131859-1-gregkh@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Greg Kroah-Hartman 2023-02-14 15:01:21 +01:00
parent 779aeb73d9
commit ade1229cae
8 changed files with 8 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
arch/alpha/include/asm/dma-mapping.h
View File

@ -4,7 +4,7 @@
extern const struct dma_map_ops alpha_pci_ops;
static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus)
static inline const struct dma_map_ops *get_arch_dma_ops(void)
{
#ifdef CONFIG_ALPHA_JENSEN
return NULL;

2
arch/ia64/include/asm/dma-mapping.h
View File

@ -8,7 +8,7 @@
*/
extern const struct dma_map_ops *dma_ops;
static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus)
static inline const struct dma_map_ops *get_arch_dma_ops(void)
{
return dma_ops;
}

2
arch/mips/include/asm/dma-mapping.h
View File

@ -6,7 +6,7 @@
extern const struct dma_map_ops jazz_dma_ops;
static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus)
static inline const struct dma_map_ops *get_arch_dma_ops(void)
{
#if defined(CONFIG_MACH_JAZZ)
return &jazz_dma_ops;

2
arch/parisc/include/asm/dma-mapping.h
View File

@ -21,7 +21,7 @@
extern const struct dma_map_ops *hppa_dma_ops;
static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus)
static inline const struct dma_map_ops *get_arch_dma_ops(void)
{
return hppa_dma_ops;
}

2
arch/sparc/include/asm/dma-mapping.h
View File

@ -4,7 +4,7 @@
extern const struct dma_map_ops *dma_ops;
static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus)
static inline const struct dma_map_ops *get_arch_dma_ops(void)
{
/* sparc32 uses per-device dma_ops */
return IS_ENABLED(CONFIG_SPARC64) ? dma_ops : NULL;

2
arch/x86/include/asm/dma-mapping.h
View File

@ -4,7 +4,7 @@
extern const struct dma_map_ops *dma_ops;
static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus)
static inline const struct dma_map_ops *get_arch_dma_ops(void)
{
return dma_ops;
}

2
include/asm-generic/dma-mapping.h
View File

@ -2,7 +2,7 @@
#ifndef _ASM_GENERIC_DMA_MAPPING_H
#define _ASM_GENERIC_DMA_MAPPING_H
static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus)
static inline const struct dma_map_ops *get_arch_dma_ops(void)
{
return NULL;
}

2
include/linux/dma-map-ops.h
View File

@ -90,7 +90,7 @@ static inline const struct dma_map_ops *get_dma_ops(struct device *dev)
{
if (dev->dma_ops)
return dev->dma_ops;
return get_arch_dma_ops(dev->bus);
return get_arch_dma_ops();
}
static inline void set_dma_ops(struct device *dev,