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| author |   Rob Clark <robdclark@chromium.org> | 2021-12-06 09:13:49 -0800 |
|---|---|---|
| committer | Rob Clark <robdclark@chromium.org> | 2021-12-06 09:14:28 -0800 |
| commit | 83b965d118cbab1dbdfffdff8cabc8c1cfd183c6 (patch) | |
| tree | f46a8f6d854b05a47311125f6fd6b6081e79557a /net/core/page_pool.c | |
| parent | mailmap: add and update email addresses (diff) | |
| parent | Merge tag 'drm-intel-next-2021-11-30' of git://anongit.freedesktop.org/drm/drm-intel into drm-next (diff) | |
| download | linux-dev-83b965d118cbab1dbdfffdff8cabc8c1cfd183c6.tar.xz linux-dev-83b965d118cbab1dbdfffdff8cabc8c1cfd183c6.zip | |
Merge remote-tracking branch 'drm/drm-next' into msm-next-staging
Backmerge drm-next to pull in:
8f59ee9a570c ("drm/msm/dsi: Adjust probe order")
Signed-off-by: Rob Clark <robdclark@chromium.org>
Diffstat (limited to 'net/core/page_pool.c')
| -rw-r--r-- | net/core/page_pool.c | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/net/core/page_pool.c b/net/core/page_pool.c index 9b60e4301a44..1a6978427d6c 100644 --- a/net/core/page_pool.c +++ b/net/core/page_pool.c @@ -49,12 +49,6 @@ static int page_pool_init(struct page_pool *pool, * which is the XDP_TX use-case. */ if (pool->p.flags & PP_FLAG_DMA_MAP) { - /* DMA-mapping is not supported on 32-bit systems with - * 64-bit DMA mapping. - */ - if (sizeof(dma_addr_t) > sizeof(unsigned long)) - return -EOPNOTSUPP; - if ((pool->p.dma_dir != DMA_FROM_DEVICE) && (pool->p.dma_dir != DMA_BIDIRECTIONAL)) return -EINVAL; @@ -75,6 +69,10 @@ static int page_pool_init(struct page_pool *pool, */ } + if (PAGE_POOL_DMA_USE_PP_FRAG_COUNT && + pool->p.flags & PP_FLAG_PAGE_FRAG) + return -EINVAL; + if (ptr_ring_init(&pool->ring, ring_qsize, GFP_KERNEL) < 0) return -ENOMEM; |