diff options
Diffstat (limited to 'target/linux/at91/patches-5.10/132-dmaengine-at_xdmac-adapt-perid-for-mem2mem-operation.patch')
| -rw-r--r-- | target/linux/at91/patches-5.10/132-dmaengine-at_xdmac-adapt-perid-for-mem2mem-operation.patch | 50 |
1 files changed, 0 insertions, 50 deletions
diff --git a/target/linux/at91/patches-5.10/132-dmaengine-at_xdmac-adapt-perid-for-mem2mem-operation.patch b/target/linux/at91/patches-5.10/132-dmaengine-at_xdmac-adapt-perid-for-mem2mem-operation.patch deleted file mode 100644 index ca1fa8cee5..0000000000 --- a/target/linux/at91/patches-5.10/132-dmaengine-at_xdmac-adapt-perid-for-mem2mem-operation.patch +++ /dev/null @@ -1,50 +0,0 @@ -From 1dccaa4c1e99cd8bd27684a2c87ec806d426c088 Mon Sep 17 00:00:00 2001 -From: Eugen Hristev <eugen.hristev@microchip.com> -Date: Fri, 16 Oct 2020 12:37:25 +0300 -Subject: [PATCH 132/247] dmaengine: at_xdmac: adapt perid for mem2mem - operations - -The PERID in the CC register for mem2mem operations must match an unused -PERID. -The PERID field is 7 bits, but the selected value is 0x3f. -On later products we can have more reserved PERIDs for actual peripherals, -thus this needs to be increased to maximum size. -Changing the value to 0x7f, which is the maximum for 7 bits field. - -Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com> -Reviewed-by: Tudor Ambarus <tudor.ambarus@microchip.com> -Link: https://lore.kernel.org/r/20201016093725.289880-1-eugen.hristev@microchip.com -Signed-off-by: Vinod Koul <vkoul@kernel.org> ---- - drivers/dma/at_xdmac.c | 6 +++--- - 1 file changed, 3 insertions(+), 3 deletions(-) - ---- a/drivers/dma/at_xdmac.c -+++ b/drivers/dma/at_xdmac.c -@@ -865,7 +865,7 @@ at_xdmac_interleaved_queue_desc(struct d - * match the one of another channel. If not, it could lead to spurious - * flag status. - */ -- u32 chan_cc = AT_XDMAC_CC_PERID(0x3f) -+ u32 chan_cc = AT_XDMAC_CC_PERID(0x7f) - | AT_XDMAC_CC_DIF(0) - | AT_XDMAC_CC_SIF(0) - | AT_XDMAC_CC_MBSIZE_SIXTEEN -@@ -1047,7 +1047,7 @@ at_xdmac_prep_dma_memcpy(struct dma_chan - * match the one of another channel. If not, it could lead to spurious - * flag status. - */ -- u32 chan_cc = AT_XDMAC_CC_PERID(0x3f) -+ u32 chan_cc = AT_XDMAC_CC_PERID(0x7f) - | AT_XDMAC_CC_DAM_INCREMENTED_AM - | AT_XDMAC_CC_SAM_INCREMENTED_AM - | AT_XDMAC_CC_DIF(0) -@@ -1153,7 +1153,7 @@ static struct at_xdmac_desc *at_xdmac_me - * match the one of another channel. If not, it could lead to spurious - * flag status. - */ -- u32 chan_cc = AT_XDMAC_CC_PERID(0x3f) -+ u32 chan_cc = AT_XDMAC_CC_PERID(0x7f) - | AT_XDMAC_CC_DAM_UBS_AM - | AT_XDMAC_CC_SAM_INCREMENTED_AM - | AT_XDMAC_CC_DIF(0) |