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>

1 files changed, 1 insertions, 9 deletions

diff --git a/arch/arm/mach-lpc32xx/irq.c b/arch/arm/mach-lpc32xx/irq.c
index 3c6332753358..54c68b12bae0 100644
--- 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");