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| author | Jonathan Corbet <corbet@lwn.net> | 2019-10-29 04:43:29 -0600 |
|---|---|---|
| committer | Jonathan Corbet <corbet@lwn.net> | 2019-10-29 04:43:29 -0600 |
| commit | 822bbba0cabb50825a0ce22707dc45eb82d02853 (patch) | |
| tree | ea61d4ca72cb60b4cae8e95f64eefa7cd2a36603 /drivers/s390/cio/css.c | |
| parent | d41abfd7ae33cd3c1d9189438937d61cb75e690a (diff) | |
| parent | 7d194c2100ad2a6dded545887d02754948ca5241 (diff) | |
Merge tag 'v5.4-rc4' into docs-next
I need to pick up the independent changes made to
Documentation/core-api/memory-allocation.rst to be able to merge further
work without creating a total mess.
Diffstat (limited to 'drivers/s390/cio/css.c')
| -rw-r--r-- | drivers/s390/cio/css.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/s390/cio/css.c b/drivers/s390/cio/css.c index 1fbfb0a93f5f..831850435c23 100644 --- a/drivers/s390/cio/css.c +++ b/drivers/s390/cio/css.c @@ -232,7 +232,12 @@ struct subchannel *css_alloc_subchannel(struct subchannel_id schid, * belong to a subchannel need to fit 31 bit width (e.g. ccw). */ sch->dev.coherent_dma_mask = DMA_BIT_MASK(31); - sch->dev.dma_mask = &sch->dev.coherent_dma_mask; + /* + * But we don't have such restrictions imposed on the stuff that + * is handled by the streaming API. + */ + sch->dma_mask = DMA_BIT_MASK(64); + sch->dev.dma_mask = &sch->dma_mask; return sch; err: |