linux-kernel - [PATCH v4] MIPS: Remove repetitive increase irq_err

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Date:   Fri, 10 Jun 2022 19:14:20 +0800
From:   Genjian Zhang <zhanggenjian123@...il.com>
To:     tsbogend@...ha.franken.de, linus.walleij@...aro.org, brgl@...ev.pl,
        f.fainelli@...il.com
Cc:     linux-mips@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-gpio@...r.kernel.org, huhai <huhai@...inos.cn>,
        k2ci <kernel-bot@...inos.cn>,
        Genjian Zhang <zhanggenjian@...inos.cn>
Subject: [PATCH v4] MIPS: Remove repetitive increase irq_err_count

From: huhai <huhai@...inos.cn>

commit 979934da9e7a ("[PATCH] mips: update IRQ handling for vr41xx") added
a function irq_dispatch, and it'll increase irq_err_count when the get_irq
callback returns a negative value, but increase irq_err_count in get_irq
was not removed.

And also, modpost complains once gpio-vr41xx drivers become modules.
  ERROR: modpost: "irq_err_count" [drivers/gpio/gpio-vr41xx.ko] undefined!

So it would be a good idea to remove repetitive increase irq_err_count in
get_irq callback.

Fixes: 27fdd325dace ("MIPS: Update VR41xx GPIO driver to use gpiolib")
Fixes: 979934da9e7a ("[PATCH] mips: update IRQ handling for vr41xx")
Reported-by: k2ci <kernel-bot@...inos.cn>
Signed-off-by: huhai <huhai@...inos.cn>
Signed-off-by: Genjian Zhang <zhanggenjian@...inos.cn>
---
 arch/mips/vr41xx/common/icu.c | 2 --
 drivers/gpio/gpio-vr41xx.c    | 2 --
 2 files changed, 4 deletions(-)

diff --git a/arch/mips/vr41xx/common/icu.c b/arch/mips/vr41xx/common/icu.c
index 7b7f25b4b057..9240bcdbe74e 100644
--- a/arch/mips/vr41xx/common/icu.c
+++ b/arch/mips/vr41xx/common/icu.c
@@ -640,8 +640,6 @@ static int icu_get_irq(unsigned int irq)
 
 	printk(KERN_ERR "spurious ICU interrupt: %04x,%04x\n", pend1, pend2);
 
-	atomic_inc(&irq_err_count);
-
 	return -1;
 }
 
diff --git a/drivers/gpio/gpio-vr41xx.c b/drivers/gpio/gpio-vr41xx.c
index 98cd715ccc33..8d09b619c166 100644
--- a/drivers/gpio/gpio-vr41xx.c
+++ b/drivers/gpio/gpio-vr41xx.c
@@ -217,8 +217,6 @@ static int giu_get_irq(unsigned int irq)
 	printk(KERN_ERR "spurious GIU interrupt: %04x(%04x),%04x(%04x)\n",
 	       maskl, pendl, maskh, pendh);
 
-	atomic_inc(&irq_err_count);
-
 	return -EINVAL;
 }
 
-- 
2.25.1