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| author | Jeff Hatch <jhatch@multitech.com> | 2020-06-04 14:25:26 -0500 |
|---|---|---|
| committer | Jeff Hatch <jhatch@multitech.com> | 2020-06-04 14:25:26 -0500 |
| commit | d69348fc4b22dd5c59be0050f858457cded0e2c2 (patch) | |
| tree | f46240166ecb9d135ded6fa5d7ac5469e6cfa387 /recipes-kernel/linux/linux-3.12.70/linux-3.12-spi-atmel-dma-min.patch | |
| parent | 87ba31c96fdfa7ba092d21395aa6489cd85c005c (diff) | |
| parent | 689f820b990a7c194e5aa971d9b2f0a5d20e4de5 (diff) | |
| download | meta-multitech-d69348fc4b22dd5c59be0050f858457cded0e2c2.tar.gz meta-multitech-d69348fc4b22dd5c59be0050f858457cded0e2c2.tar.bz2 meta-multitech-d69348fc4b22dd5c59be0050f858457cded0e2c2.zip | |
Merge branch 'test-split'
Pull in changes to move to support Yocto Thud
Diffstat (limited to 'recipes-kernel/linux/linux-3.12.70/linux-3.12-spi-atmel-dma-min.patch')
| -rw-r--r-- | recipes-kernel/linux/linux-3.12.70/linux-3.12-spi-atmel-dma-min.patch | 18 |
1 files changed, 0 insertions, 18 deletions
diff --git a/recipes-kernel/linux/linux-3.12.70/linux-3.12-spi-atmel-dma-min.patch b/recipes-kernel/linux/linux-3.12.70/linux-3.12-spi-atmel-dma-min.patch deleted file mode 100644 index 4aba504..0000000 --- a/recipes-kernel/linux/linux-3.12.70/linux-3.12-spi-atmel-dma-min.patch +++ /dev/null @@ -1,18 +0,0 @@ -Index: linux-3.12.27/drivers/spi/spi-atmel.c -=================================================================== ---- linux-3.12.27.orig/drivers/spi/spi-atmel.c -+++ linux-3.12.27/drivers/spi/spi-atmel.c -@@ -187,7 +187,12 @@ - /* use PIO for small transfers, avoiding DMA setup/teardown overhead and - * cache operations; better heuristics consider wordsize and bitrate. - */ --#define DMA_MIN_BYTES 16 -+ -+/* MTS: set DMA_MIN_BYTES=0 to use DMA all the time due to Rx buffer issues -+ * when switching between smaller PIO and larger DMA transfers -+ * https://lkml.org/lkml/2013/10/21/534 -+ */ -+#define DMA_MIN_BYTES 0 - - struct atmel_spi_dma { - struct dma_chan *chan_rx; |