irqchip: mips-gic: Remove gic_{pending,itrmask}_regs

There's no reason for the pending and masked interrupt bitmasks
to be global.  Just declare them on the stack in gic_get_int()
since they only consume (256*2)/8 = 64 bytes.

Signed-off-by: Andrew Bresticker <abrestic@chromium.org>
Cc: Daniel Lezcano <daniel.lezcano@linaro.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Jason Cooper <jason@lakedaemon.net>
Cc: Paul Burton <paul.burton@imgtec.com>
Cc: Qais Yousef <qais.yousef@imgtec.com>
Cc: John Crispin <blogic@openwrt.org>
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/8131/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

1 files changed, 3 insertions, 13 deletions

diff --git a/drivers/irqchip/irq-mips-gic.c b/drivers/irqchip/irq-mips-gic.c
index 9d7b1db791e4..5ce11bd7f6a8 100644
--- a/drivers/irqchip/irq-mips-gic.c
+++ b/drivers/irqchip/irq-mips-gic.c
@@ -25,18 +25,8 @@ struct gic_pcpu_mask {
         DECLARE_BITMAP(pcpu_mask, GIC_MAX_INTRS);
 };
 
-struct gic_pending_regs {
-        DECLARE_BITMAP(pending, GIC_MAX_INTRS);
-};
-
-struct gic_intrmask_regs {
-        DECLARE_BITMAP(intrmask, GIC_MAX_INTRS);
-};
-
 static void __iomem *gic_base;
 static struct gic_pcpu_mask pcpu_masks[NR_CPUS];
-static struct gic_pending_regs pending_regs[NR_CPUS];
-static struct gic_intrmask_regs intrmask_regs[NR_CPUS];
 static DEFINE_SPINLOCK(gic_lock);
 static struct irq_domain *gic_irq_domain;
 static int gic_shared_intrs;
@@ -242,12 +232,12 @@ int gic_get_c0_perfcount_int(void)
 static unsigned int gic_get_int(void)
 {
         unsigned int i;
-        unsigned long *pending, *intrmask, *pcpu_mask;
+        unsigned long *pcpu_mask;
         unsigned long pending_reg, intrmask_reg;
+        DECLARE_BITMAP(pending, GIC_MAX_INTRS);
+        DECLARE_BITMAP(intrmask, GIC_MAX_INTRS);
 
         /* Get per-cpu bitmaps */
-        pending = pending_regs[smp_processor_id()].pending;
-        intrmask = intrmask_regs[smp_processor_id()].intrmask;
         pcpu_mask = pcpu_masks[smp_processor_id()].pcpu_mask;
 
         pending_reg = GIC_REG(SHARED, GIC_SH_PEND);