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| author | Robin Murphy <robin.murphy@arm.com> | 2019-07-03 15:47:31 +0200 |
|---|---|---|
| committer | Rob Herring <robh@kernel.org> | 2019-10-08 20:50:22 +0200 |
| commit | c60bf3eb888a362100aa1bdbea351dab681e262a (patch) | |
| tree | 9feec3299a80bbbe7d83b2d668b303b9f8aabd59 /drivers/of | |
| parent | of/address: Introduce of_get_next_dma_parent() helper (diff) | |
| download | linux-c60bf3eb888a362100aa1bdbea351dab681e262a.tar.xz linux-c60bf3eb888a362100aa1bdbea351dab681e262a.zip | |
of: address: Follow DMA parent for "dma-coherent"
Much like for address translation, when checking for DMA coherence we
should be sure to walk up the DMA hierarchy, rather than the MMIO one,
now that we can accommodate them being different.
Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Tested-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Reviewed-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Signed-off-by: Rob Herring <robh@kernel.org>
Diffstat (limited to 'drivers/of')
| -rw-r--r-- | drivers/of/address.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/of/address.c b/drivers/of/address.c index e9188c82fdae..3fd34f7ad772 100644 --- a/drivers/of/address.c +++ b/drivers/of/address.c @@ -999,7 +999,7 @@ bool of_dma_is_coherent(struct device_node *np) of_node_put(node); return true; } - node = of_get_next_parent(node); + node = of_get_next_dma_parent(node); } of_node_put(node); return false; |