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| author |   Steven J. Hill <sjhill@mips.com> | 2012-08-31 16:13:07 -0500 |
|---|---|---|
| committer | Steven J. Hill <sjhill@mips.com> | 2012-09-13 15:43:48 -0500 |
| commit | 2299c49d601c20ba502f5cc7b2f72a0048f485db (patch) | |
| tree | 164646cd242ec38a6494bb8436f152db398f0b7d /arch/mips/kernel | |
| parent | MIPS: Make GIC code platform independent. (diff) | |
| download | linux-dev-2299c49d601c20ba502f5cc7b2f72a0048f485db.tar.xz linux-dev-2299c49d601c20ba502f5cc7b2f72a0048f485db.zip | |
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>
Diffstat (limited to 'arch/mips/kernel')
| -rw-r--r-- | arch/mips/kernel/irq-gic.c | 40 |
1 files changed, 16 insertions, 24 deletions
diff --git a/arch/mips/kernel/irq-gic.c b/arch/mips/kernel/irq-gic.c index 18124c3bda2f..770c07552518 100644 --- a/arch/mips/kernel/irq-gic.c +++ b/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); |