diff options
| author | Christoph Hellwig <hch@lst.de> | 2019-02-13 08:01:22 +0100 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2019-02-18 12:41:03 +0100 |
| commit | 11ddce15451eb5e3cb2c951dc5c8d86a2802017a (patch) | |
| tree | e3e7a8541cbb2a52ba114da6c66ea8fd3ccbbd5b /arch/powerpc/kernel/dma-mask.c | |
| parent | powerpc/dma: fix an off-by-one in dma_capable (diff) | |
| download | linux-11ddce15451eb5e3cb2c951dc5c8d86a2802017a.tar.xz linux-11ddce15451eb5e3cb2c951dc5c8d86a2802017a.zip | |
dma-mapping, powerpc: simplify the arch dma_set_mask override
Instead of letting the architecture supply all of dma_set_mask just
give it an additional hook selected by Kconfig.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Tested-by: Christian Zigotzky <chzigotzky@xenosoft.de>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/kernel/dma-mask.c')
| -rw-r--r-- | arch/powerpc/kernel/dma-mask.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/dma-mask.c b/arch/powerpc/kernel/dma-mask.c new file mode 100644 index 000000000000..ffbbbc432612 --- /dev/null +++ b/arch/powerpc/kernel/dma-mask.c @@ -0,0 +1,12 @@ +// SPDX-License-Identifier: GPL-2.0 + +#include <linux/dma-mapping.h> +#include <linux/export.h> +#include <asm/machdep.h> + +void arch_dma_set_mask(struct device *dev, u64 dma_mask) +{ + if (ppc_md.dma_set_mask) + ppc_md.dma_set_mask(dev, dma_mask); +} +EXPORT_SYMBOL(arch_dma_set_mask); |