kernel: delete Linux 5.4 config and patches
[openwrt/staging/chunkeey.git] / target / linux / layerscape / patches-5.4 / 806-dma-0025-MLK-22909-dmaengine-fsl-edma-v3-clear-interrupt-comi.patch
diff --git a/target/linux/layerscape/patches-5.4/806-dma-0025-MLK-22909-dmaengine-fsl-edma-v3-clear-interrupt-comi.patch b/target/linux/layerscape/patches-5.4/806-dma-0025-MLK-22909-dmaengine-fsl-edma-v3-clear-interrupt-comi.patch
deleted file mode 100644 (file)
index 42f151f..0000000
+++ /dev/null
@@ -1,43 +0,0 @@
-From 7021361c27946c60885b3f031ddde342f9a5432f Mon Sep 17 00:00:00 2001
-From: Robin Gong <yibin.gong@nxp.com>
-Date: Tue, 5 Nov 2019 21:32:22 +0800
-Subject: [PATCH] MLK-22909 dmaengine: fsl-edma-v3: clear interrupt coming
- after channel terminated
-
-Clear EDMA_CH_INT in case dma done interrupt comes after channel terminated
-instead of channel free-ed, otherwise, RCU maybe caught because it's
-ignored without interrupt status cleared as Android team report in Monkey
-test.
-
-Signed-off-by: Robin Gong <yibin.gong@nxp.com>
-Acked-by: Fugang Duan <fugang.duan@nxp.com>
-(cherry picked from commit ef91ff6ed465cebe2fe6483a480351abba36e237)
-(cherry picked from commit 56ee55c71c5f3ef254acb4dee581e68f79ef13a5)
----
- drivers/dma/fsl-edma-v3.c | 8 ++++++--
- 1 file changed, 6 insertions(+), 2 deletions(-)
-
---- a/drivers/dma/fsl-edma-v3.c
-+++ b/drivers/dma/fsl-edma-v3.c
-@@ -710,8 +710,8 @@ static irqreturn_t fsl_edma3_tx_handler(
-       spin_lock(&fsl_chan->vchan.lock);
--      /* Ignore this interrupt since channel has been disabled already */
--      if (!fsl_chan->edesc)
-+      /* Ignore this interrupt since channel has been freeed with power off */
-+      if (!fsl_chan->edesc && !fsl_chan->tcd_pool)
-               goto irq_handled;
-       base_addr = fsl_chan->membase;
-@@ -722,6 +722,10 @@ static irqreturn_t fsl_edma3_tx_handler(
-       writel(1, base_addr + EDMA_CH_INT);
-+      /* 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);