diff options
author | Bart Van Assche <bart.vanassche@sandisk.com> | 2017-01-20 22:04:04 +0100 |
---|---|---|
committer | Doug Ledford <dledford@redhat.com> | 2017-01-24 18:23:35 +0100 |
commit | 815dd18788fe0d41899f51b91d0560279cf16b0d (patch) | |
tree | 11d20f38f588ee9b18f3c655e2972c01430ba47c /arch/x86 | |
parent | treewide: Consolidate set_dma_ops() implementations (diff) | |
download | linux-815dd18788fe0d41899f51b91d0560279cf16b0d.tar.xz linux-815dd18788fe0d41899f51b91d0560279cf16b0d.zip |
treewide: Consolidate get_dma_ops() implementations
Introduce a new architecture-specific get_arch_dma_ops() function
that takes a struct bus_type * argument. Add get_dma_ops() in
<linux/dma-mapping.h>.
Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Juergen Gross <jgross@suse.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: linux-arch@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Cc: Russell King <linux@armlinux.org.uk>
Cc: x86@kernel.org
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'arch/x86')
-rw-r--r-- | arch/x86/include/asm/dma-mapping.h | 9 |
1 files changed, 1 insertions, 8 deletions
diff --git a/arch/x86/include/asm/dma-mapping.h b/arch/x86/include/asm/dma-mapping.h index 94b5b96966cb..08a0838b83fb 100644 --- a/arch/x86/include/asm/dma-mapping.h +++ b/arch/x86/include/asm/dma-mapping.h @@ -27,16 +27,9 @@ extern int panic_on_overflow; extern const struct dma_map_ops *dma_ops; -static inline const struct dma_map_ops *get_dma_ops(struct device *dev) +static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus) { -#ifndef CONFIG_X86_DEV_DMA_OPS return dma_ops; -#else - if (unlikely(!dev) || !dev->dma_ops) - return dma_ops; - else - return dev->dma_ops; -#endif } bool arch_dma_alloc_attrs(struct device **dev, gfp_t *gfp); |