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From: Ayan Halder <Ayan.Halder@arm.com>
To: Ayan Halder <Ayan.Halder@arm.com>,
	"james qian wang (Arm Technology China)"
	<james.qian.wang@arm.com>, Liviu Dudau <Liviu.Dudau@arm.com>,
	Brian Starkey <Brian.Starkey@arm.com>,
	"daniel@ffwll.ch" <daniel@ffwll.ch>,
	"airlied@linux.ie" <airlied@linux.ie>,
	"dri-devel@lists.freedesktop.org"
	<dri-devel@lists.freedesktop.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Cc: nd <nd@arm.com>
Subject: [PATCH] drm/komeda: Avoid using DRIVER_IRQ_SHARED
Date: Fri, 7 Jun 2019 10:46:45 +0000	[thread overview]
Message-ID: <20190607104629.28791-1-ayan.halder@arm.com> (raw)

With reference to mainline commit (1ff494813bafa127ecba1160262ba39b2fdde7ba),
DRIVER_IRQ_SHARED is to be used only by legacy drivers. Further,
drm_irq_install() ignores this flag altogether.
One needs to use devm_request_irq() instead, with IRQF_SHARED to create a shared
interrupt handler.

Signed-off-by: Ayan Kumar halder <ayan.halder@arm.com>
---
 drivers/gpu/drm/arm/display/komeda/komeda_kms.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_kms.c b/drivers/gpu/drm/arm/display/komeda/komeda_kms.c
index 86f6542afb40..7b5cde14e3ba 100644
--- a/drivers/gpu/drm/arm/display/komeda/komeda_kms.c
+++ b/drivers/gpu/drm/arm/display/komeda/komeda_kms.c
@@ -194,7 +194,9 @@ struct komeda_kms_dev *komeda_kms_attach(struct komeda_dev *mdev)
 
 	drm_mode_config_reset(drm);
 
-	err = drm_irq_install(drm, mdev->irq);
+	err = devm_request_irq(drm->dev, mdev->irq,
+			       komeda_kms_driver.irq_handler, IRQF_SHARED,
+			       drm->driver->name, drm);
 	if (err)
 		goto cleanup_mode_config;
 
-- 
2.21.0


                 reply	other threads:[~2019-06-07 10:47 UTC|newest]

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