diff options
Diffstat (limited to 'kernel/dma/mapping.c')
| -rw-r--r-- | kernel/dma/mapping.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/kernel/dma/mapping.c b/kernel/dma/mapping.c index 3524bc92c37f..3f77c3f8d16d 100644 --- a/kernel/dma/mapping.c +++ b/kernel/dma/mapping.c @@ -392,7 +392,7 @@ bool __dma_need_sync(struct device *dev, dma_addr_t dma_addr) if (dma_map_direct(dev, ops)) /* - * dma_need_sync could've been reset on first SWIOTLB buffer + * dma_skip_sync could've been reset on first SWIOTLB buffer * mapping, but @dma_addr is not necessary an SWIOTLB buffer. * In this case, fall back to more granular check. */ @@ -407,20 +407,20 @@ static void dma_setup_need_sync(struct device *dev) if (dma_map_direct(dev, ops) || (ops->flags & DMA_F_CAN_SKIP_SYNC)) /* - * dma_need_sync will be reset to %true on first SWIOTLB buffer + * dma_skip_sync will be reset to %false on first SWIOTLB buffer * mapping, if any. During the device initialization, it's * enough to check only for the DMA coherence. */ - dev->dma_need_sync = !dev_is_dma_coherent(dev); + dev->dma_skip_sync = dev_is_dma_coherent(dev); else if (!ops->sync_single_for_device && !ops->sync_single_for_cpu && !ops->sync_sg_for_device && !ops->sync_sg_for_cpu) /* * Synchronization is not possible when none of DMA sync ops * is set. */ - dev->dma_need_sync = false; + dev->dma_skip_sync = true; else - dev->dma_need_sync = true; + dev->dma_skip_sync = false; } #else /* !CONFIG_DMA_NEED_SYNC */ static inline void dma_setup_need_sync(struct device *dev) { } |