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authorLinus Torvalds <torvalds@linux-foundation.org>2015-04-11 10:52:13 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2015-04-11 10:52:13 -0700
commit8fa5975900ba4e91e14a63f11fb7a026f60cecd5 (patch)
tree91171ea8afa319ff49d4e78474d882a0341bd4a9
parent545124e7773fc2f5f0f9574e5763583f7920d872 (diff)
parentffeb13aab68e2d0082cbb147dc765beb092f83f4 (diff)
downloadlinux-linaro-stable-8fa5975900ba4e91e14a63f11fb7a026f60cecd5.tar.gz
Merge branch 'fixes' of git://git.infradead.org/users/vkoul/slave-dma
Pull dmaengine fix from Vinod Koul: "I have one more fix to fix the boot warning on cppi driver due to missing capabilities" * 'fixes' of git://git.infradead.org/users/vkoul/slave-dma: dmaengine: cppi41: add missing bitfields
-rw-r--r--drivers/dma/cppi41.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/dma/cppi41.c b/drivers/dma/cppi41.c
index 512cb8e2805e..ceedafbd23e0 100644
--- a/drivers/dma/cppi41.c
+++ b/drivers/dma/cppi41.c
@@ -903,6 +903,11 @@ static const struct cppi_glue_infos *get_glue_info(struct device *dev)
return of_id->data;
}
+#define CPPI41_DMA_BUSWIDTHS (BIT(DMA_SLAVE_BUSWIDTH_1_BYTE) | \
+ BIT(DMA_SLAVE_BUSWIDTH_2_BYTES) | \
+ BIT(DMA_SLAVE_BUSWIDTH_3_BYTES) | \
+ BIT(DMA_SLAVE_BUSWIDTH_4_BYTES))
+
static int cppi41_dma_probe(struct platform_device *pdev)
{
struct cppi41_dd *cdd;
@@ -926,6 +931,10 @@ static int cppi41_dma_probe(struct platform_device *pdev)
cdd->ddev.device_issue_pending = cppi41_dma_issue_pending;
cdd->ddev.device_prep_slave_sg = cppi41_dma_prep_slave_sg;
cdd->ddev.device_terminate_all = cppi41_stop_chan;
+ cdd->ddev.directions = BIT(DMA_DEV_TO_MEM) | BIT(DMA_MEM_TO_DEV);
+ cdd->ddev.src_addr_widths = CPPI41_DMA_BUSWIDTHS;
+ cdd->ddev.dst_addr_widths = CPPI41_DMA_BUSWIDTHS;
+ cdd->ddev.residue_granularity = DMA_RESIDUE_GRANULARITY_BURST;
cdd->ddev.dev = dev;
INIT_LIST_HEAD(&cdd->ddev.channels);
cpp41_dma_info.dma_cap = cdd->ddev.cap_mask;