linux-kernel - [PATCH] gpio: mpc8xxx: change the gpio interrupt flags.

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Message-Id: <20200611102809.27829-1-hui.song_1@nxp.com>
Date:   Thu, 11 Jun 2020 18:28:09 +0800
From:   Hui Song <hui.song_1@....com>
To:     Shawn Guo <shawnguo@...nel.org>, Li Yang <leoyang.li@....com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Linus Walleij <linus.walleij@...aro.org>,
        Bartosz Golaszewski <bgolaszewski@...libre.com>
Cc:     linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-gpio@...r.kernel.org,
        Song Hui <hui.song_1@....com>
Subject: [PATCH] gpio: mpc8xxx: change the gpio interrupt flags.

From: Song Hui <hui.song_1@....com>

Delete the interrupt IRQF_NO_THREAD flags in order to gpio interrupts
can be threaded to allow high-priority processes to preempt.

Signed-off-by: Song Hui <hui.song_1@....com>
---
 drivers/gpio/gpio-mpc8xxx.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpio/gpio-mpc8xxx.c b/drivers/gpio/gpio-mpc8xxx.c
index 604dfec..1e86652 100644
--- a/drivers/gpio/gpio-mpc8xxx.c
+++ b/drivers/gpio/gpio-mpc8xxx.c
@@ -417,7 +417,7 @@ static int mpc8xxx_probe(struct platform_device *pdev)
 
 	ret = devm_request_irq(&pdev->dev, mpc8xxx_gc->irqn,
 			       mpc8xxx_gpio_irq_cascade,
-			       IRQF_NO_THREAD | IRQF_SHARED, "gpio-cascade",
+			       IRQF_SHARED, "gpio-cascade",
 			       mpc8xxx_gc);
 	if (ret) {
 		dev_err(&pdev->dev, "%s: failed to devm_request_irq(%d), ret = %d\n",
-- 
2.9.5