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| author | Yangbo Lu <yangbo.lu@nxp.com> | 2020-04-10 10:47:05 +0800 |
|---|---|---|
| committer | Petr Štetiar <ynezz@true.cz> | 2020-05-07 12:53:06 +0200 |
| commit | cddd4591404fb4c53dc0b3c0b15b942cdbed4356 (patch) | |
| tree | 392c1179de46b0f804e3789edca19069b64e6b44 /target/linux/layerscape/patches-5.4/806-dma-0020-MLK-22798-1-dmaengine-fsl-edma-v3-do-not-enable-inte.patch | |
| parent | d1d2c0b5579ea4f69a42246c9318539d61ba1999 (diff) | |
| download | upstream-cddd4591404fb4c53dc0b3c0b15b942cdbed4356.tar.gz upstream-cddd4591404fb4c53dc0b3c0b15b942cdbed4356.tar.bz2 upstream-cddd4591404fb4c53dc0b3c0b15b942cdbed4356.zip | |
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 <yangbo.lu@nxp.com>
Diffstat (limited to 'target/linux/layerscape/patches-5.4/806-dma-0020-MLK-22798-1-dmaengine-fsl-edma-v3-do-not-enable-inte.patch')
| -rw-r--r-- | target/linux/layerscape/patches-5.4/806-dma-0020-MLK-22798-1-dmaengine-fsl-edma-v3-do-not-enable-inte.patch | 42 |
1 files changed, 42 insertions, 0 deletions
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 <yibin.gong@nxp.com> +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 <yibin.gong@nxp.com> +Reviewed-by: Shengjiu Wang <shengjiu.wang@nxp.com> +(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; + } + |