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authorDaniel Ribeiro <drwyrm@gmail.com>2009-06-23 11:32:11 -0400
committerSamuel Ortiz <sameo@linux.intel.com>2009-09-17 03:46:45 -0400
commit9f7b07d6cc3ed14783c9427a5b2a69794eb2de64 (patch)
treec3793ad2c4318afa51f044f27c307017797a7d98 /drivers/mfd
parentdfc3aa7221f50bf3d05c67b826414ab290b95c46 (diff)
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>
Diffstat (limited to 'drivers/mfd')
-rw-r--r--drivers/mfd/ezx-pcap.c9
1 files changed, 5 insertions, 4 deletions
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)
107EXPORT_SYMBOL_GPL(ezx_pcap_read); 107EXPORT_SYMBOL_GPL(ezx_pcap_read);
108 108
109/* IRQ */ 109/* IRQ */
110static inline unsigned int irq2pcap(struct pcap_chip *pcap, int irq) 110int irq_to_pcap(struct pcap_chip *pcap, int irq)
111{ 111{
112 return 1 << (irq - pcap->irq_base); 112 return irq - pcap->irq_base;
113} 113}
114EXPORT_SYMBOL_GPL(irq_to_pcap);
114 115
115int pcap_to_irq(struct pcap_chip *pcap, int irq) 116int pcap_to_irq(struct pcap_chip *pcap, int irq)
116{ 117{
@@ -122,7 +123,7 @@ static void pcap_mask_irq(unsigned int irq)
122{ 123{
123 struct pcap_chip *pcap = get_irq_chip_data(irq); 124 struct pcap_chip *pcap = get_irq_chip_data(irq);
124 125
125 pcap->msr |= irq2pcap(pcap, irq); 126 pcap->msr |= 1 << irq_to_pcap(pcap, irq);
126 queue_work(pcap->workqueue, &pcap->msr_work); 127 queue_work(pcap->workqueue, &pcap->msr_work);
127} 128}
128 129
@@ -130,7 +131,7 @@ static void pcap_unmask_irq(unsigned int irq)
130{ 131{
131 struct pcap_chip *pcap = get_irq_chip_data(irq); 132 struct pcap_chip *pcap = get_irq_chip_data(irq);
132 133
133 pcap->msr &= ~irq2pcap(pcap, irq); 134 pcap->msr &= ~(1 << irq_to_pcap(pcap, irq));
134 queue_work(pcap->workqueue, &pcap->msr_work); 135 queue_work(pcap->workqueue, &pcap->msr_work);
135} 136}
136 137