From: Feng Tang <feng.tang@intel.com>
Date: Tue, 13 Dec 2011 15:53:49 +0000 (+0800)
Subject: gpio-ml-ioh: fix a bug in the interrupt handler
X-Git-Tag: upstream/snapshot3+hdmi~8559^2~3
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=f9ea14efa5277c47efec341dee2c408b6b80f854;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git

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@intel.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
---

diff --git a/drivers/gpio/gpio-ml-ioh.c b/drivers/gpio/gpio-ml-ioh.c
index ea8e738..92b6f51a 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)) {