commit 9f7b07d6cc3ed14783c9427a5b2a69794eb2de64
author Daniel Ribeiro <drwyrm@gmail.com> Tue Jun 23 12:32:11 2009 -0300
committer Samuel Ortiz <sameo@linux.intel.com> Thu Sep 17 09:46:45 2009 +0200
tree c3793ad2c4318afa51f044f27c307017797a7d98
parent dfc3aa7221f50bf3d05c67b826414ab290b95c46

mfd: Introduce irq_to_pcap()

Export an irq_to_pcap function to get pcap irq number, for the keypad driver.

Signed-off-by: Daniel Ribeiro <drwyrm@gmail.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>

drivers/mfd/ezx-pcap.c

diff --git a/drivers/mfd/ezx-pcap.c b/drivers/mfd/ezx-pcap.c
index c1de4af..de7e637 100644
--- a/drivers/mfd/ezx-pcap.c
+++ b/drivers/mfd/ezx-pcap.c
@@ -107,10 +107,11 @@
 EXPORT_SYMBOL_GPL(ezx_pcap_read);
 
 /* IRQ */
-static inline unsigned int irq2pcap(struct pcap_chip *pcap, int irq)
+int irq_to_pcap(struct pcap_chip *pcap, int irq)
 {
-	return 1 << (irq - pcap->irq_base);
+	return irq - pcap->irq_base;
 }
+EXPORT_SYMBOL_GPL(irq_to_pcap);
 
 int pcap_to_irq(struct pcap_chip *pcap, int irq)
 {
@@ -122,7 +123,7 @@
 {
 	struct pcap_chip *pcap = get_irq_chip_data(irq);
 
-	pcap->msr |= irq2pcap(pcap, irq);
+	pcap->msr |= 1 << irq_to_pcap(pcap, irq);
 	queue_work(pcap->workqueue, &pcap->msr_work);
 }
 
@@ -130,7 +131,7 @@
 {
 	struct pcap_chip *pcap = get_irq_chip_data(irq);
 
-	pcap->msr &= ~irq2pcap(pcap, irq);
+	pcap->msr &= ~(1 << irq_to_pcap(pcap, irq));
 	queue_work(pcap->workqueue, &pcap->msr_work);
 }