media: rkisp1: Drop IRQF_SHARED
authorTomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Thu, 7 Dec 2023 07:57:45 +0000 (08:57 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Mon, 5 Feb 2024 20:14:27 +0000 (20:14 +0000)
[ Upstream commit 85d2a31fe4d9be1555f621ead7a520d8791e0f74 ]

In all known platforms the ISP has dedicated IRQ lines, but for some
reason the driver uses IRQF_SHARED.

Supporting IRQF_SHARED properly requires handling interrupts even when
our device is disabled, and the driver does not handle this. To avoid
adding such code, and to be sure the driver won't accidentally be used
in a platform with shared interrupts, let's drop the IRQF_SHARED flag.

Link: https://lore.kernel.org/r/20231207-rkisp-irq-fix-v3-1-358a2c871a3c@ideasonboard.com
Tested-by: Adam Ford <aford173@gmail.com> #imx8mp-beacon
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
drivers/media/platform/rockchip/rkisp1/rkisp1-dev.c

index 894d5af..b676db9 100644 (file)
@@ -542,7 +542,7 @@ static int rkisp1_probe(struct platform_device *pdev)
                if (irq < 0)
                        return irq;
 
-               ret = devm_request_irq(dev, irq, info->isrs[i].isr, IRQF_SHARED,
+               ret = devm_request_irq(dev, irq, info->isrs[i].isr, 0,
                                       dev_driver_string(dev), dev);
                if (ret) {
                        dev_err(dev, "request irq failed: %d\n", ret);