diff options
Diffstat (limited to 'recipes-kernel/linux/linux-handheld-4.4/dmaengine-mmp-pdma-add-number-of-requestors.patch')
| -rw-r--r-- | recipes-kernel/linux/linux-handheld-4.4/dmaengine-mmp-pdma-add-number-of-requestors.patch | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/recipes-kernel/linux/linux-handheld-4.4/dmaengine-mmp-pdma-add-number-of-requestors.patch b/recipes-kernel/linux/linux-handheld-4.4/dmaengine-mmp-pdma-add-number-of-requestors.patch new file mode 100644 index 0000000..02287a4 --- /dev/null +++ b/recipes-kernel/linux/linux-handheld-4.4/dmaengine-mmp-pdma-add-number-of-requestors.patch @@ -0,0 +1,34 @@ +From 4ab014655ebad342c6e7beae427c5cc0f8141d2b Mon Sep 17 00:00:00 2001 +From: Robert Jarzmik <robert.jarzmik@free.fr> +Date: Mon, 15 Feb 2016 21:57:46 +0100 +Subject: dmaengine: mmp-pdma: add number of requestors + +commit c283e41ef32442f41e7180f9bb1c5aedf9255bfe upstream. + +The DMA chip has a fixed number of requestor lines used for flow +control. This number is platform dependent. The pxa_dma dma driver will +use this value to activate or not the flow control. + +There won't be any impact on mmp_pdma driver. + +Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr> +Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> +--- + include/linux/platform_data/mmp_dma.h | 1 + + 1 file changed, 1 insertion(+) + +diff --git a/include/linux/platform_data/mmp_dma.h b/include/linux/platform_data/mmp_dma.h +index 2a330ec..d1397c8 100644 +--- a/include/linux/platform_data/mmp_dma.h ++++ b/include/linux/platform_data/mmp_dma.h +@@ -14,6 +14,7 @@ + + struct mmp_dma_platdata { + int dma_channels; ++ int nb_requestors; + }; + + #endif /* MMP_DMA_H */ +-- +cgit v0.12 + |