From 9f7b07d6cc3ed14783c9427a5b2a69794eb2de64 Mon Sep 17 00:00:00 2001 From: Daniel Ribeiro Date: Tue, 23 Jun 2009 12:32:11 -0300 Subject: 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 Signed-off-by: Samuel Ortiz --- drivers/mfd/ezx-pcap.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) (limited to 'drivers') diff --git a/drivers/mfd/ezx-pcap.c b/drivers/mfd/ezx-pcap.c index c1de4afa89a6..de7e63706abb 100644 --- a/drivers/mfd/ezx-pcap.c +++ b/drivers/mfd/ezx-pcap.c @@ -107,10 +107,11 @@ int ezx_pcap_read(struct pcap_chip *pcap, u8 reg_num, u32 *value) 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 @@ static void pcap_mask_irq(unsigned int irq) { 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 @@ static void pcap_unmask_irq(unsigned int irq) { 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); } -- cgit v1.2.3