diff options
Diffstat (limited to 'target/linux/layerscape/patches-5.4/806-dma-0006-MLK-15014-dma-fsl-edma-v3-clear-DONE-before-E_SG-ena.patch')
| -rw-r--r-- | target/linux/layerscape/patches-5.4/806-dma-0006-MLK-15014-dma-fsl-edma-v3-clear-DONE-before-E_SG-ena.patch | 30 |
1 files changed, 0 insertions, 30 deletions
diff --git a/target/linux/layerscape/patches-5.4/806-dma-0006-MLK-15014-dma-fsl-edma-v3-clear-DONE-before-E_SG-ena.patch b/target/linux/layerscape/patches-5.4/806-dma-0006-MLK-15014-dma-fsl-edma-v3-clear-DONE-before-E_SG-ena.patch deleted file mode 100644 index bb4a83ccc7..0000000000 --- a/target/linux/layerscape/patches-5.4/806-dma-0006-MLK-15014-dma-fsl-edma-v3-clear-DONE-before-E_SG-ena.patch +++ /dev/null @@ -1,30 +0,0 @@ -From 03691bf3038250def574c78576a8be39133923fd Mon Sep 17 00:00:00 2001 -From: Robin Gong <yibin.gong@nxp.com> -Date: Tue, 6 Jun 2017 16:56:49 +0800 -Subject: [PATCH] MLK-15014 dma: fsl-edma-v3: clear DONE before E_SG enabled - -Below described in RM, otherwise, channel error status(CHa_ES) -may be triggered: -The user must clear the CHa_CSR[DONE] bit before writing the -TCDa_CSR[MAJORELINK] or TCDa_CSR[ESG] bits. - -Signed-off-by: Robin Gong <yibin.gong@nxp.com> -(cherry picked from commit c4164d0a15306174056c6ff423ba2408dd901fcf) ---- - drivers/dma/fsl-edma-v3.c | 5 +++++ - 1 file changed, 5 insertions(+) - ---- a/drivers/dma/fsl-edma-v3.c -+++ b/drivers/dma/fsl-edma-v3.c -@@ -421,6 +421,11 @@ static void fsl_edma3_set_tcd_regs(struc - - writel(le32_to_cpu(tcd->dlast_sga), addr + EDMA_TCD_DLAST_SGA); - -+ /* Must clear CHa_CSR[DONE] bit before enable TCDa_CSR[ESG] */ -+ if ((EDMA_TCD_CSR_E_SG | le16_to_cpu(tcd->csr)) && -+ EDMA_CH_CSR_DONE | readl(addr + EDMA_CH_CSR)) -+ writel(EDMA_CH_CSR_DONE, addr + EDMA_CH_CSR); -+ - writew(le16_to_cpu(tcd->csr), addr + EDMA_TCD_CSR); - } - |