diff options
author | Alex Shi <alex.shi@linaro.org> | 2017-03-20 12:03:10 +0800 |
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committer | Alex Shi <alex.shi@linaro.org> | 2017-03-20 12:03:10 +0800 |
commit | e0d60977f25c7a33b2acda240a1d121bf0a35deb (patch) | |
tree | 4f930533fa1e36e0ec75ee8bcaa82d2320985a2c /sound/pci/ctxfi/cthw20k1.c | |
parent | 4304568925f8191755da36df5c61abb69db9b1b0 (diff) | |
parent | 1c563c0006661025d7a6c9bc85fc889a4e8a1c06 (diff) |
Merge branch 'linux-linaro-lsk-v4.4' into linux-linaro-lsk-v4.4-androidlsk-v4.4-17.03-android
Diffstat (limited to 'sound/pci/ctxfi/cthw20k1.c')
-rw-r--r-- | sound/pci/ctxfi/cthw20k1.c | 19 |
1 files changed, 6 insertions, 13 deletions
diff --git a/sound/pci/ctxfi/cthw20k1.c b/sound/pci/ctxfi/cthw20k1.c index 9667cbfb0ca2..ab4cdab5cfa5 100644 --- a/sound/pci/ctxfi/cthw20k1.c +++ b/sound/pci/ctxfi/cthw20k1.c @@ -27,12 +27,6 @@ #include "cthw20k1.h" #include "ct20k1reg.h" -#if BITS_PER_LONG == 32 -#define CT_XFI_DMA_MASK DMA_BIT_MASK(32) /* 32 bit PTE */ -#else -#define CT_XFI_DMA_MASK DMA_BIT_MASK(64) /* 64 bit PTE */ -#endif - struct hw20k1 { struct hw hw; spinlock_t reg_20k1_lock; @@ -1904,19 +1898,18 @@ static int hw_card_start(struct hw *hw) { int err; struct pci_dev *pci = hw->pci; + const unsigned int dma_bits = BITS_PER_LONG; err = pci_enable_device(pci); if (err < 0) return err; /* Set DMA transfer mask */ - if (dma_set_mask(&pci->dev, CT_XFI_DMA_MASK) < 0 || - dma_set_coherent_mask(&pci->dev, CT_XFI_DMA_MASK) < 0) { - dev_err(hw->card->dev, - "architecture does not support PCI busmaster DMA with mask 0x%llx\n", - CT_XFI_DMA_MASK); - err = -ENXIO; - goto error1; + if (dma_set_mask(&pci->dev, DMA_BIT_MASK(dma_bits))) { + dma_set_coherent_mask(&pci->dev, DMA_BIT_MASK(dma_bits)); + } else { + dma_set_mask(&pci->dev, DMA_BIT_MASK(32)); + dma_set_coherent_mask(&pci->dev, DMA_BIT_MASK(32)); } if (!hw->io_base) { |