linux-kernel - [PATCH 1/2] gpio-ml-ioh: fix a bug in the interrupt handler

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Message-Id: <1323791630-4125-1-git-send-email-feng.tang@intel.com>
Date:	Tue, 13 Dec 2011 23:53:49 +0800
From:	Feng Tang <feng.tang@...el.com>
To:	grant.likely@...retlab.ca, linus.walleij@...aro.org,
	tomoya-linux@....lapis-semi.com, linux-kernel@...r.kernel.org
Cc:	joel.clark@...el.com, ying.huang@...el.com, qi.wang@...el.com,
	kok.howg.ewe@...el.com, Feng Tang <feng.tang@...el.com>
Subject: [PATCH 1/2] gpio-ml-ioh: fix a bug in the interrupt handler

GPIO's irq action's dev_id is set to the first struct ioh_gpio chip,
so when loop checking the 8 chips, the "chip" should be changed
according.

Signed-off-by: Feng Tang <feng.tang@...el.com>
---
 drivers/gpio/gpio-ml-ioh.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/gpio/gpio-ml-ioh.c b/drivers/gpio/gpio-ml-ioh.c
index ea8e738..92b6f51 100644
--- a/drivers/gpio/gpio-ml-ioh.c
+++ b/drivers/gpio/gpio-ml-ioh.c
@@ -339,7 +339,7 @@ static irqreturn_t ioh_gpio_handler(int irq, void *dev_id)
 	int i, j;
 	int ret = IRQ_NONE;
 
-	for (i = 0; i < 8; i++) {
+	for (i = 0; i < 8; i++, chip++) {
 		reg_val = ioread32(&chip->reg->regs[i].istatus);
 		for (j = 0; j < num_ports[i]; j++) {
 			if (reg_val & BIT(j)) {
-- 
1.7.1

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