linux-kernel - [PATCH 4.4 29/93] gpio: sa1100: fix irq probing for ucb1x00

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Message-Id: <20161006074732.368183508@linuxfoundation.org>
Date:   Thu,  6 Oct 2016 10:28:59 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Russell King <rmk+kernel@...linux.org.uk>,
        Linus Walleij <linus.walleij@...aro.org>
Subject: [PATCH 4.4 29/93] gpio: sa1100: fix irq probing for ucb1x00

4.4-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Russell King <rmk+kernel@...linux.org.uk>

commit 56beac95cb88c188d2a885825a5da131edb41fe3 upstream.

ucb1x00 has used IRQ probing since it's dawn to find the GPIO interrupt
that it's connected to.  However, commit 23393d49fb75 ("gpio: kill off
set_irq_flags usage") broke this by disabling IRQ probing on GPIO
interrupts.  Fix this.

Fixes: 23393d49fb75 ("gpio: kill off set_irq_flags usage")
Signed-off-by: Russell King <rmk+kernel@...linux.org.uk>
Signed-off-by: Linus Walleij <linus.walleij@...aro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/gpio/gpio-sa1100.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/gpio/gpio-sa1100.c
+++ b/drivers/gpio/gpio-sa1100.c
@@ -155,7 +155,7 @@ static int sa1100_gpio_irqdomain_map(str
 {
 	irq_set_chip_and_handler(irq, &sa1100_gpio_irq_chip,
 				 handle_edge_irq);
-	irq_set_noprobe(irq);
+	irq_set_probe(irq);
 
 	return 0;
 }