diff options
| author | Christoph Hellwig <hch@lst.de> | 2019-02-13 08:01:20 +0100 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2019-02-18 22:41:03 +1100 |
| commit | 74194cdaac41f6dfaacd9433f739dcbd83125d0b (patch) | |
| tree | 6e2dc6d362d1c2f55e9678f4de418da50a86e5b5 /arch/powerpc/kernel/dma.c | |
| parent | 391133fd5adaba319795cd96882d1ea405c41cf6 (diff) | |
powerpc/dma: remove max_direct_dma_addr
The max_direct_dma_addr duplicates the bus_dma_mask field in struct
device. Use the generic field instead.
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 | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/arch/powerpc/kernel/dma.c b/arch/powerpc/kernel/dma.c index 9def69c8f602..1e191eb3f0ec 100644 --- a/arch/powerpc/kernel/dma.c +++ b/arch/powerpc/kernel/dma.c @@ -30,11 +30,10 @@ static u64 __maybe_unused get_pfn_limit(struct device *dev) { u64 pfn = (dev->coherent_dma_mask >> PAGE_SHIFT) + 1; - struct dev_archdata __maybe_unused *sd = &dev->archdata; #ifdef CONFIG_SWIOTLB - if (sd->max_direct_dma_addr && dev->dma_ops == &powerpc_swiotlb_dma_ops) - pfn = min_t(u64, pfn, sd->max_direct_dma_addr >> PAGE_SHIFT); + if (dev->bus_dma_mask && dev->dma_ops == &powerpc_swiotlb_dma_ops) + pfn = min_t(u64, pfn, dev->bus_dma_mask >> PAGE_SHIFT); #endif return pfn; |