diff options
Diffstat (limited to 'lib/dma-debug.c')
| -rw-r--r-- | lib/dma-debug.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/lib/dma-debug.c b/lib/dma-debug.c index cf906201aecf..7d2f0b33e5a8 100644 --- a/lib/dma-debug.c +++ b/lib/dma-debug.c | |||
| @@ -913,6 +913,9 @@ static void check_sync(struct device *dev, | |||
| 913 | ref->size); | 913 | ref->size); |
| 914 | } | 914 | } |
| 915 | 915 | ||
| 916 | if (entry->direction == DMA_BIDIRECTIONAL) | ||
| 917 | goto out; | ||
| 918 | |||
| 916 | if (ref->direction != entry->direction) { | 919 | if (ref->direction != entry->direction) { |
| 917 | err_printk(dev, entry, "DMA-API: device driver syncs " | 920 | err_printk(dev, entry, "DMA-API: device driver syncs " |
| 918 | "DMA memory with different direction " | 921 | "DMA memory with different direction " |
| @@ -923,9 +926,6 @@ static void check_sync(struct device *dev, | |||
| 923 | dir2name[ref->direction]); | 926 | dir2name[ref->direction]); |
| 924 | } | 927 | } |
| 925 | 928 | ||
| 926 | if (entry->direction == DMA_BIDIRECTIONAL) | ||
| 927 | goto out; | ||
| 928 | |||
| 929 | if (to_cpu && !(entry->direction == DMA_FROM_DEVICE) && | 929 | if (to_cpu && !(entry->direction == DMA_FROM_DEVICE) && |
| 930 | !(ref->direction == DMA_TO_DEVICE)) | 930 | !(ref->direction == DMA_TO_DEVICE)) |
| 931 | err_printk(dev, entry, "DMA-API: device driver syncs " | 931 | err_printk(dev, entry, "DMA-API: device driver syncs " |
| @@ -948,7 +948,6 @@ static void check_sync(struct device *dev, | |||
| 948 | 948 | ||
| 949 | out: | 949 | out: |
| 950 | put_hash_bucket(bucket, &flags); | 950 | put_hash_bucket(bucket, &flags); |
| 951 | |||
| 952 | } | 951 | } |
| 953 | 952 | ||
| 954 | void debug_dma_map_page(struct device *dev, struct page *page, size_t offset, | 953 | void debug_dma_map_page(struct device *dev, struct page *page, size_t offset, |
