diff options
Diffstat (limited to 'arch/arm/mach-omap1/fpga.c')
| -rw-r--r-- | arch/arm/mach-omap1/fpga.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/arch/arm/mach-omap1/fpga.c b/arch/arm/mach-omap1/fpga.c index 5cfce1636da0..8780e75cdc3d 100644 --- a/arch/arm/mach-omap1/fpga.c +++ b/arch/arm/mach-omap1/fpga.c @@ -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); |