MIPS: Code clean-ups for the GIC.

Fix whitespace, beautify the code and remove debug statements.

Signed-off-by: Steven J. Hill <sjhill@mips.com>

arch/mips/include/asm/gic.h

@@ -33,13 +33,13 @@
 	REG32(_gic_base + segment##_##SECTION_OFS + offset)
 
 #define GIC_ABS_REG(segment, offset) \
-       (_gic_base + segment##_##SECTION_OFS + offset##_##OFS)
+	(_gic_base + segment##_##SECTION_OFS + offset##_##OFS)
 #define GIC_REG_ABS_ADDR(segment, offset) \
-       (_gic_base + segment##_##SECTION_OFS + offset)
+	(_gic_base + segment##_##SECTION_OFS + offset)
 
 #ifdef GICISBYTELITTLEENDIAN
-#define GICREAD(reg, data)	(data) = (reg), (data) = le32_to_cpu(data)
-#define GICWRITE(reg, data)	(reg) = cpu_to_le32(data)
+#define GICREAD(reg, data)	((data) = (reg), (data) = le32_to_cpu(data))
+#define GICWRITE(reg, data)	((reg) = cpu_to_le32(data))
 #define GICBIS(reg, bits)			\
 	({unsigned int data;			\
 		GICREAD(reg, data);		\
@@ -48,9 +48,9 @@
 	})
 
 #else
-#define GICREAD(reg, data)	(data) = (reg)
-#define GICWRITE(reg, data)	(reg) = (data)
-#define GICBIS(reg, bits)	(reg) |= (bits)
+#define GICREAD(reg, data)	((data) = (reg))
+#define GICWRITE(reg, data)	((reg) = (data))
+#define GICBIS(reg, bits)	((reg) |= (bits))
 #endif
 
 
@@ -304,15 +304,15 @@
 		 GIC_SH_MAP_TO_VPE_REG_BIT(vpe))
 
 struct gic_pcpu_mask {
-       DECLARE_BITMAP(pcpu_mask, GIC_NUM_INTRS);
+	DECLARE_BITMAP(pcpu_mask, GIC_NUM_INTRS);
 };
 
 struct gic_pending_regs {
-       DECLARE_BITMAP(pending, GIC_NUM_INTRS);
+	DECLARE_BITMAP(pending, GIC_NUM_INTRS);
 };
 
 struct gic_intrmask_regs {
-       DECLARE_BITMAP(intrmask, GIC_NUM_INTRS);
+	DECLARE_BITMAP(intrmask, GIC_NUM_INTRS);
 };
 
 /*

arch/mips/kernel/irq-gic.c

@@ -1,5 +1,11 @@
-#undef DEBUG
-
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 2008 Ralf Baechle (ralf@linux-mips.org)
+ * Copyright (C) 2012 MIPS Technologies, Inc.  All rights reserved.
+ */
 #include <linux/bitmap.h>
 #include <linux/init.h>
 #include <linux/smp.h>
@@ -11,7 +17,6 @@
 #include <linux/hardirq.h>
 #include <asm-generic/bitops/find.h>
 
-
 unsigned long _gic_base;
 unsigned int gic_irq_base;
 unsigned int gic_irq_flags[GIC_NUM_INTRS];
@@ -22,17 +27,15 @@ static struct gic_intrmask_regs intrmask_regs[NR_CPUS];
 
 void gic_send_ipi(unsigned int intr)
 {
-	pr_debug("CPU%d: %s status %08x\n", smp_processor_id(), __func__,
-		 read_c0_status());
 	GICWRITE(GIC_REG(SHARED, GIC_SH_WEDGE), 0x80000000 | intr);
 }
 
-/* This is Malta specific and needs to be exported */
 static void __init vpe_local_setup(unsigned int numvpes)
 {
-	int i;
-	unsigned long timer_interrupt = 5, perf_interrupt = 5;
+	unsigned long timer_interrupt = GIC_INT_TMR;
+	unsigned long perf_interrupt = GIC_INT_PERFCTR;
 	unsigned int vpe_ctl;
+	int i;
 
 	/*
 	 * Setup the default performance counter timer interrupts
@@ -79,40 +82,30 @@ unsigned int gic_get_int(void)
 	bitmap_and(pending, pending, intrmask, GIC_NUM_INTRS);
 	bitmap_and(pending, pending, pcpu_mask, GIC_NUM_INTRS);
 
-	i = find_first_bit(pending, GIC_NUM_INTRS);
-
-	pr_debug("CPU%d: %s pend=%d\n", smp_processor_id(), __func__, i);
-
-	return i;
+	return find_first_bit(pending, GIC_NUM_INTRS);
 }
 
 static void gic_mask_irq(struct irq_data *d)
 {
-	unsigned int irq = d->irq - gic_irq_base;
-	pr_debug("CPU%d: %s: irq%d\n", smp_processor_id(), __func__, irq);
-	GIC_CLR_INTR_MASK(irq);
+	GIC_CLR_INTR_MASK(d->irq - gic_irq_base);
 }
 
 static void gic_unmask_irq(struct irq_data *d)
 {
-	unsigned int irq = d->irq - gic_irq_base;
-	pr_debug("CPU%d: %s: irq%d\n", smp_processor_id(), __func__, irq);
-	GIC_SET_INTR_MASK(irq);
+	GIC_SET_INTR_MASK(d->irq - gic_irq_base);
 }
 
 #ifdef CONFIG_SMP
-
 static DEFINE_SPINLOCK(gic_lock);
 
 static int gic_set_affinity(struct irq_data *d, const struct cpumask *cpumask,
 			    bool force)
 {
-	unsigned int irq = d->irq - gic_irq_base;
+	unsigned int irq = (d->irq - gic_irq_base);
 	cpumask_t	tmp = CPU_MASK_NONE;
 	unsigned long	flags;
 	int		i;
 
-	pr_debug("%s(%d) called\n", __func__, irq);
 	cpumask_and(&tmp, cpumask, cpu_online_mask);
 	if (cpus_empty(tmp))
 		return -1;
@@ -176,6 +169,7 @@ static void __init gic_setup_intr(unsigned int intr, unsigned int cpu,
 
 	/* Init Intr Masks */
 	GIC_CLR_INTR_MASK(intr);
+
 	/* Initialise per-cpu Interrupt software masks */
 	if (flags & GIC_FLAG_IPI)
 		set_bit(intr, pcpu_masks[cpu].pcpu_mask);
@@ -237,8 +231,6 @@ void __init gic_init(unsigned long gic_base_addr,
 	numvpes = (gicconfig & GIC_SH_CONFIG_NUMVPES_MSK) >>
 		  GIC_SH_CONFIG_NUMVPES_SHF;
 
-	pr_debug("%s called\n", __func__);
-
 	gic_basic_init(numintrs, numvpes, intr_map, intr_map_size);
 
 	gic_platform_init(numintrs, &gic_irq_controller);