From: Feng Tang <feng.tang@intel.com>
Date: Fri, 31 Dec 2010 01:48:20 +0000 (+0800)
Subject: [PATCH] intel_pmic_gpio: modify EOI handling following change of kernel irq subsystem
X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=456dc301cc3b547b2a674de3028f53fb1453e532;p=openwrt%2Fstaging%2Fblogic.git

[PATCH] intel_pmic_gpio: modify EOI handling following change of kernel irq subsystem

Latest kernel has many changes in IRQ subsystem and its interfaces, like adding
"irq_eoi" for struct irq_chip, this patch will make it support both the new
and old interface.

Cc: Alek Du <alek.du@intel.com>
Signed-off-by: Feng Tang <feng.tang@intel.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
---

diff --git a/drivers/platform/x86/intel_pmic_gpio.c b/drivers/platform/x86/intel_pmic_gpio.c
index e61db9dfebef..930e62762365 100644
--- a/drivers/platform/x86/intel_pmic_gpio.c
+++ b/drivers/platform/x86/intel_pmic_gpio.c
@@ -244,7 +244,11 @@ static void pmic_irq_handler(unsigned irq, struct irq_desc *desc)
 			generic_handle_irq(pg->irq_base + gpio);
 		}
 	}
-	desc->chip->eoi(irq);
+
+	if (desc->chip->irq_eoi)
+		desc->chip->irq_eoi(irq_get_irq_data(irq));
+	else
+		dev_warn(pg->chip.dev, "missing EOI handler for irq %d\n", irq);
 }
 
 static int __devinit platform_pmic_gpio_probe(struct platform_device *pdev)