diff options
| author | Christoph Hellwig <hch@lst.de> | 2019-02-13 10:01:22 +0300 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2019-02-18 14:41:03 +0300 |
| commit | 11ddce15451eb5e3cb2c951dc5c8d86a2802017a (patch) | |
| tree | e3e7a8541cbb2a52ba114da6c66ea8fd3ccbbd5b /arch/powerpc/kernel/dma.c | |
| parent | 9b18114c0be0193ebe772e45b3731602f056d54e (diff) | |
| download | linux-11ddce15451eb5e3cb2c951dc5c8d86a2802017a.tar.xz | |
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.c')
| -rw-r--r-- | arch/powerpc/kernel/dma.c | 12 |
1 files changed, 0 insertions, 12 deletions
diff --git a/arch/powerpc/kernel/dma.c b/arch/powerpc/kernel/dma.c index 1e191eb3f0ec..e422ca65d1cf 100644 --- a/arch/powerpc/kernel/dma.c +++ b/arch/powerpc/kernel/dma.c @@ -234,18 +234,6 @@ const struct dma_map_ops dma_nommu_ops = { }; EXPORT_SYMBOL(dma_nommu_ops); -int dma_set_mask(struct device *dev, u64 dma_mask) -{ - if (ppc_md.dma_set_mask) - return ppc_md.dma_set_mask(dev, dma_mask); - - if (!dev->dma_mask || !dma_supported(dev, dma_mask)) - return -EIO; - *dev->dma_mask = dma_mask; - return 0; -} -EXPORT_SYMBOL(dma_set_mask); - static int __init dma_init(void) { #ifdef CONFIG_IBMVIO |