From cddd4591404fb4c53dc0b3c0b15b942cdbed4356 Mon Sep 17 00:00:00 2001 From: Yangbo Lu Date: Fri, 10 Apr 2020 10:47:05 +0800 Subject: layerscape: add patches-5.4 Add patches for linux-5.4. The patches are from NXP LSDK-20.04 release which was tagged LSDK-20.04-V5.4. https://source.codeaurora.org/external/qoriq/qoriq-components/linux/ For boards LS1021A-IOT, and Traverse-LS1043 which are not involved in LSDK, port the dts patches from 4.14. The patches are sorted into the following categories: 301-arch-xxxx 302-dts-xxxx 303-core-xxxx 701-net-xxxx 801-audio-xxxx 802-can-xxxx 803-clock-xxxx 804-crypto-xxxx 805-display-xxxx 806-dma-xxxx 807-gpio-xxxx 808-i2c-xxxx 809-jailhouse-xxxx 810-keys-xxxx 811-kvm-xxxx 812-pcie-xxxx 813-pm-xxxx 814-qe-xxxx 815-sata-xxxx 816-sdhc-xxxx 817-spi-xxxx 818-thermal-xxxx 819-uart-xxxx 820-usb-xxxx 821-vfio-xxxx Signed-off-by: Yangbo Lu --- ...-dmaengine-fsl-edma-v3-do-not-enable-inte.patch | 42 ++++++++++++++++++++++ 1 file changed, 42 insertions(+) create mode 100644 target/linux/layerscape/patches-5.4/806-dma-0020-MLK-22798-1-dmaengine-fsl-edma-v3-do-not-enable-inte.patch (limited to 'target/linux/layerscape/patches-5.4/806-dma-0020-MLK-22798-1-dmaengine-fsl-edma-v3-do-not-enable-inte.patch') diff --git a/target/linux/layerscape/patches-5.4/806-dma-0020-MLK-22798-1-dmaengine-fsl-edma-v3-do-not-enable-inte.patch b/target/linux/layerscape/patches-5.4/806-dma-0020-MLK-22798-1-dmaengine-fsl-edma-v3-do-not-enable-inte.patch new file mode 100644 index 0000000000..fbfb95e8c9 --- /dev/null +++ b/target/linux/layerscape/patches-5.4/806-dma-0020-MLK-22798-1-dmaengine-fsl-edma-v3-do-not-enable-inte.patch @@ -0,0 +1,42 @@ +From dcb4deb92738a2fd3981550dbf18ae96e22bbe80 Mon Sep 17 00:00:00 2001 +From: Robin Gong +Date: Wed, 23 Oct 2019 00:33:42 +0800 +Subject: [PATCH] MLK-22798-1: dmaengine: fsl-edma-v3: do not enable interrupt + in dev_2_dev + +Do not enable interrupt in dev_2_dev with cyclic case, since in such +case no any interrupt needed. Otherwise many interrupt will come in +every 64 words transfered in ASRC case, which cause heavy system +loading. + +Signed-off-by: Robin Gong +Reviewed-by: Shengjiu Wang +(cherry picked from commit f0a3172e1ceb04c46377160486ad7dc6ee022850) +--- + drivers/dma/fsl-edma-v3.c | 4 +++- + 1 file changed, 3 insertions(+), 1 deletion(-) + +--- a/drivers/dma/fsl-edma-v3.c ++++ b/drivers/dma/fsl-edma-v3.c +@@ -560,6 +560,7 @@ static struct dma_async_tx_descriptor *f + int sg_len, i; + u32 src_addr, dst_addr, last_sg, nbytes; + u16 soff, doff, iter; ++ bool major_int = true; + + sg_len = buf_len / period_len; + fsl_desc = fsl_edma3_alloc_desc(fsl_chan, sg_len); +@@ -600,11 +601,12 @@ static struct dma_async_tx_descriptor *f + dst_addr = fsl_chan->fsc.dev_addr; + soff = 0; + doff = 0; ++ major_int = false; + } + + fsl_edma3_fill_tcd(fsl_chan, fsl_desc->tcd[i].vtcd, src_addr, + dst_addr, fsl_chan->fsc.attr, soff, nbytes, 0, +- iter, iter, doff, last_sg, true, false, true); ++ iter, iter, doff, last_sg, major_int, false, true); + dma_buf_next += period_len; + } + -- cgit v1.2.3