Merge tag 'v2.6.38' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6

[mv-sheeva.git] / arch / arm / mach-omap1 / fpga.c

diff --git a/arch/arm/mach-omap1/fpga.c b/arch/arm/mach-omap1/fpga.c
index 5cfce1636da0d27e9fbe2e845342813f2206760a..0ace7998aaa5301f1b4b5881482644cffec1d622 100644 (file)
--- a/arch/arm/mach-omap1/fpga.c
+++ b/arch/arm/mach-omap1/fpga.c
@@ -30,9 +30,9 @@
 #include <plat/fpga.h>
 #include <mach/gpio.h>
 
-static void fpga_mask_irq(unsigned int irq)
+static void fpga_mask_irq(struct irq_data *d)
 {
-       irq -= OMAP_FPGA_IRQ_BASE;
+       unsigned int irq = d->irq - OMAP_FPGA_IRQ_BASE;
 
        if (irq < 8)
                __raw_writeb((__raw_readb(OMAP1510_FPGA_IMR_LO)
@@ -58,14 +58,14 @@ static inline u32 get_fpga_unmasked_irqs(void)
 }
 
 
-static void fpga_ack_irq(unsigned int irq)
+static void fpga_ack_irq(struct irq_data *d)
 {
        /* Don't need to explicitly ACK FPGA interrupts */
 }
 
-static void fpga_unmask_irq(unsigned int irq)
+static void fpga_unmask_irq(struct irq_data *d)
 {
-       irq -= OMAP_FPGA_IRQ_BASE;
+       unsigned int irq = d->irq - OMAP_FPGA_IRQ_BASE;
 
        if (irq < 8)
                __raw_writeb((__raw_readb(OMAP1510_FPGA_IMR_LO) | (1 << irq)),
@@ -78,10 +78,10 @@ static void fpga_unmask_irq(unsigned int irq)
                              | (1 << (irq - 16))), INNOVATOR_FPGA_IMR2);
 }
 
-static void fpga_mask_ack_irq(unsigned int irq)
+static void fpga_mask_ack_irq(struct irq_data *d)
 {
-       fpga_mask_irq(irq);
-       fpga_ack_irq(irq);
+       fpga_mask_irq(d);
+       fpga_ack_irq(d);
 }
 
 void innovator_fpga_IRQ_demux(unsigned int irq, struct irq_desc *desc)
@@ -105,17 +105,17 @@ void innovator_fpga_IRQ_demux(unsigned int irq, struct irq_desc *desc)
 
 static struct irq_chip omap_fpga_irq_ack = {
        .name           = "FPGA-ack",
-       .ack            = fpga_mask_ack_irq,
-       .mask           = fpga_mask_irq,
-       .unmask         = fpga_unmask_irq,
+       .irq_ack        = fpga_mask_ack_irq,
+       .irq_mask       = fpga_mask_irq,
+       .irq_unmask     = fpga_unmask_irq,
 };
 
 
 static struct irq_chip omap_fpga_irq = {
        .name           = "FPGA",
-       .ack            = fpga_ack_irq,
-       .mask           = fpga_mask_irq,
-       .unmask         = fpga_unmask_irq,
+       .irq_ack        = fpga_ack_irq,
+       .irq_mask       = fpga_mask_irq,
+       .irq_unmask     = fpga_unmask_irq,
 };
 
 /*
@@ -143,7 +143,7 @@ static struct irq_chip omap_fpga_irq = {
  */
 void omap1510_fpga_init_irq(void)
 {
-       int i;
+       int i, res;
 
        __raw_writeb(0, OMAP1510_FPGA_IMR_LO);
        __raw_writeb(0, OMAP1510_FPGA_IMR_HI);
@@ -177,10 +177,12 @@ void omap1510_fpga_init_irq(void)
         * NOTE: For general GPIO/MPUIO access and interrupts, please see
         * gpio.[ch]
         */
-       gpio_request(13, "FPGA irq");
+       res = gpio_request(13, "FPGA irq");
+       if (res) {
+               pr_err("%s failed to get gpio\n", __func__);
+               return;
+       }
        gpio_direction_input(13);
        set_irq_type(gpio_to_irq(13), IRQ_TYPE_EDGE_RISING);
        set_irq_chained_handler(OMAP1510_INT_FPGA, innovator_fpga_IRQ_demux);
 }
-
-EXPORT_SYMBOL(omap1510_fpga_init_irq);