linux-kernel - [PATCH] pinctrl: exynos: remove duplicate calls in irq handler

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Date:	Mon, 15 Aug 2016 18:17:07 +0800
From:	perr <strongbox8@...o.com>
To:	tomasz.figa@...il.com
Cc:	k.kozlowski@...sung.com, s.nawrocki@...sung.com,
	linus.walleij@...aro.org, kgene@...nel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-samsung-soc@...r.kernel.org, linux-gpio@...r.kernel.org,
	linux-kernel@...r.kernel.org, perr <strongbox8@...o.com>
Subject: [PATCH] pinctrl: exynos: remove duplicate calls in irq handler

Because chained_irq_enter() has already called chip->irq_mask() and
chip->irq_ack(), also chained_irq_exit() will call chip->irq_unmask(),
so it's not necessary to call chip->irq_*() here.

Signed-off-by: perr <strongbox8@...o.com>

---
 drivers/pinctrl/samsung/pinctrl-exynos.c | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/drivers/pinctrl/samsung/pinctrl-exynos.c b/drivers/pinctrl/samsung/pinctrl-exynos.c
index 051b5bf..d32fa2b 100644
--- a/drivers/pinctrl/samsung/pinctrl-exynos.c
+++ b/drivers/pinctrl/samsung/pinctrl-exynos.c
@@ -428,14 +428,10 @@ static void exynos_irq_eint0_15(struct irq_desc *desc)
 	int eint_irq;
 
 	chained_irq_enter(chip, desc);
-	chip->irq_mask(&desc->irq_data);
-
-	if (chip->irq_ack)
-		chip->irq_ack(&desc->irq_data);
 
 	eint_irq = irq_linear_revmap(bank->irq_domain, eintd->irq);
 	generic_handle_irq(eint_irq);
-	chip->irq_unmask(&desc->irq_data);
+
 	chained_irq_exit(chip, desc);
 }
 
-- 
1.9.3