mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-27 01:11:14 +00:00
cddd459140
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>
48 lines
1.4 KiB
Diff
48 lines
1.4 KiB
Diff
From 89885c09160b04ae2eec82cf9b35117ff6aa4c5d Mon Sep 17 00:00:00 2001
|
|
From: Robin Gong <yibin.gong@nxp.com>
|
|
Date: Wed, 8 May 2019 00:13:40 +0800
|
|
Subject: [PATCH] MLK-22284-2 dmaengine: fsl-edma-v3: check dma description
|
|
before register touch
|
|
|
|
Check dma desscription firstly to ignore any unexpected interrupt
|
|
after channel terminate, otherwise, still have chance to touch channel
|
|
register whose power has been already off.
|
|
|
|
Signed-off-by: Robin Gong <yibin.gong@nxp.com>
|
|
Reviewed-by: S.j. Wang <shengjiu.wang@nxp.com>
|
|
(cherry picked from commit fd073e017e317006a4c254ca5ae3ea17b6f32502)
|
|
---
|
|
drivers/dma/fsl-edma-v3.c | 14 +++++++-------
|
|
1 file changed, 7 insertions(+), 7 deletions(-)
|
|
|
|
--- a/drivers/dma/fsl-edma-v3.c
|
|
+++ b/drivers/dma/fsl-edma-v3.c
|
|
@@ -708,20 +708,20 @@ static irqreturn_t fsl_edma3_tx_handler(
|
|
unsigned int intr;
|
|
void __iomem *base_addr;
|
|
|
|
+ spin_lock(&fsl_chan->vchan.lock);
|
|
+
|
|
+ /* Ignore this interrupt since channel has been disabled already */
|
|
+ if (!fsl_chan->edesc)
|
|
+ goto irq_handled;
|
|
+
|
|
base_addr = fsl_chan->membase;
|
|
|
|
intr = readl(base_addr + EDMA_CH_INT);
|
|
if (!intr)
|
|
- return IRQ_NONE;
|
|
+ goto irq_handled;
|
|
|
|
writel(1, base_addr + EDMA_CH_INT);
|
|
|
|
- spin_lock(&fsl_chan->vchan.lock);
|
|
-
|
|
- /* Ignore this interrupt since channel has been disabled already */
|
|
- if (!fsl_chan->edesc)
|
|
- goto irq_handled;
|
|
-
|
|
if (!fsl_chan->edesc->iscyclic) {
|
|
fsl_edma3_get_realcnt(fsl_chan);
|
|
list_del(&fsl_chan->edesc->vdesc.node);
|