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dmaengine: arm-dma350: enable ANYCH interrupt for shared IRQ wiring

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Enable DMANSECCTRL.INTREN_ANYCHINTR during probe so channel
interrupts are propagated when integrators wire DMA-350 channels
onto a shared IRQ line.

Signed-off-by: Jun Guo <jun.guo@cixtech.com>
Reviewed-by: Robin Murphy <robin.murphy@arm.com>
Link: https://patch.msgid.link/20260521072924.3000282-2-jun.guo@cixtech.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
This commit is contained in:
Jun Guo
2026-05-21 15:29:23 +08:00
committed by Vinod Koul
parent bed94a469f
commit 643c1e1ae3
1 changed files with 9 additions and 0 deletions
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9
drivers/dma/arm-dma350.c
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@@ -13,6 +13,11 @@
#include "dmaengine.h"
#include "virt-dma.h"
#define DMANSECCTRL 0x200
#define NSEC_CTRL 0x0c
#define INTREN_ANYCHINTR_EN BIT(0)
#define DMAINFO 0x0f00
#define DMA_BUILDCFG0 0xb0
@@ -582,6 +587,10 @@ static int d350_probe(struct platform_device *pdev)
dmac->dma.device_issue_pending = d350_issue_pending;
INIT_LIST_HEAD(&dmac->dma.channels);
reg = readl_relaxed(base + DMANSECCTRL + NSEC_CTRL);
writel_relaxed(reg | INTREN_ANYCHINTR_EN,
base + DMANSECCTRL + NSEC_CTRL);
/* Would be nice to have per-channel caps for this... */
memset = true;
for (int i = 0; i < nchan; i++) {