ARM: LPC32xx: Remove superfluous irq_alloc_descs()

This patch removes the call to irq_alloc_descs() which always returns an error
since the descriptors are always preallocated already.

Signed-off-by: Roland Stigge <stigge@antcom.de>

diff --git a/arch/arm/mach-lpc32xx/irq.c b/arch/arm/mach-lpc32xx/irq.c
index 3c63327..54c68b1 100644 (file)
--- a/arch/arm/mach-lpc32xx/irq.c
+++ b/arch/arm/mach-lpc32xx/irq.c
@@ -412,7 +412,6 @@ static const struct of_device_id mic_of_match[] __initconst = {
 void __init lpc32xx_init_irq(void)
 {
        unsigned int i;
-       int irq_base;
 
        /* Setup MIC */
        __raw_writel(0, LPC32XX_INTC_MASK(LPC32XX_MIC_BASE));
@@ -475,15 +474,8 @@ void __init lpc32xx_init_irq(void)
 
        of_irq_init(mic_of_match);
 
-       irq_base = irq_alloc_descs(-1, 0, NR_IRQS, 0);
-       if (irq_base < 0) {
-               pr_warn("Cannot allocate irq_descs, assuming pre-allocated\n");
-               irq_base = 0;
-       }
-
        lpc32xx_mic_domain = irq_domain_add_legacy(lpc32xx_mic_np, NR_IRQS,
-                                                  irq_base, 0,
-                                                  &irq_domain_simple_ops,
+                                                  0, 0, &irq_domain_simple_ops,
                                                   NULL);
        if (!lpc32xx_mic_domain)
                panic("Unable to add MIC irq domain\n");