diff options
Diffstat (limited to 'kernel/dma')
| -rw-r--r-- | kernel/dma/mapping.c | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/kernel/dma/mapping.c b/kernel/dma/mapping.c index a9ce5d728231..49cbf3e33de7 100644 --- a/kernel/dma/mapping.c +++ b/kernel/dma/mapping.c @@ -249,15 +249,15 @@ EXPORT_SYMBOL(dma_map_sg_attrs); * Returns 0 on success or a negative error code on error. The following * error codes are supported with the given meaning: * - * -EINVAL An invalid argument, unaligned access or other error - * in usage. Will not succeed if retried. - * -ENOMEM Insufficient resources (like memory or IOVA space) to - * complete the mapping. Should succeed if retried later. - * -EIO Legacy error code with an unknown meaning. eg. this is - * returned if a lower level call returned DMA_MAPPING_ERROR. - * -EREMOTEIO The DMA device cannot access P2PDMA memory specified in - * the sg_table. This will not succeed if retried. - * + * -EINVAL An invalid argument, unaligned access or other error + * in usage. Will not succeed if retried. + * -ENOMEM Insufficient resources (like memory or IOVA space) to + * complete the mapping. Should succeed if retried later. + * -EIO Legacy error code with an unknown meaning. eg. this is + * returned if a lower level call returned + * DMA_MAPPING_ERROR. + * -EREMOTEIO The DMA device cannot access P2PDMA memory specified + * in the sg_table. This will not succeed if retried. */ int dma_map_sgtable(struct device *dev, struct sg_table *sgt, enum dma_data_direction dir, unsigned long attrs) |