Blackfin: ints-priority: clean up some local vars

The local ivg structs need not be exported, so mark them as static.
Further, the "num_spurious" variable is only incremented and never
actually read anywhere, so punt it.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>

diff --git a/arch/blackfin/mach-common/ints-priority.c b/arch/blackfin/mach-common/ints-priority.c
index 43d9fb1..59e0efc 100644 (file)
--- a/arch/blackfin/mach-common/ints-priority.c
+++ b/arch/blackfin/mach-common/ints-priority.c
@@ -63,22 +63,19 @@ unsigned long bfin_irq_flags = 0x1f;
 EXPORT_SYMBOL(bfin_irq_flags);
 #endif
 
-/* The number of spurious interrupts */
-atomic_t num_spurious;
-
 #ifdef CONFIG_PM
 unsigned long bfin_sic_iwr[3]; /* Up to 3 SIC_IWRx registers */
 unsigned vr_wakeup;
 #endif
 
-struct ivgx {
+static struct ivgx {
        /* irq number for request_irq, available in mach-bf5xx/irq.h */
        unsigned int irqno;
        /* corresponding bit in the SIC_ISR register */
        unsigned int isrflag;
 } ivg_table[NR_PERI_INTS];
 
-struct ivg_slice {
+static struct ivg_slice {
        /* position of first irq in ivg_table for given ivg */
        struct ivgx *ifirst;
        struct ivgx *istop;
@@ -1331,10 +1328,8 @@ void do_irq(int vec, struct pt_regs *fp)
                sic_status[2] = bfin_read_SIC_ISR2() & bfin_read_SIC_IMASK2();
 # endif
                for (;; ivg++) {
-                       if (ivg >= ivg_stop) {
-                               atomic_inc(&num_spurious);
+                       if (ivg >= ivg_stop)
                                return;
-                       }
                        if (sic_status[(ivg->irqno - IVG7) / 32] & ivg->isrflag)
                                break;
                }
@@ -1344,10 +1339,9 @@ void do_irq(int vec, struct pt_regs *fp)
                sic_status = bfin_read_SIC_IMASK() & bfin_read_SIC_ISR();
 
                for (;; ivg++) {
-                       if (ivg >= ivg_stop) {
-                               atomic_inc(&num_spurious);
+                       if (ivg >= ivg_stop)
                                return;
-                       } else if (sic_status & ivg->isrflag)
+                       if (sic_status & ivg->isrflag)
                                break;
                }
 #endif
@@ -1403,10 +1397,8 @@ asmlinkage int __ipipe_grab_irq(int vec, struct pt_regs *regs)
                sic_status[2] = bfin_read_SIC_ISR2() & bfin_read_SIC_IMASK2();
 # endif
                for (;; ivg++) {
-                       if (ivg >= ivg_stop) {
-                               atomic_inc(&num_spurious);
+                       if (ivg >= ivg_stop)
                                return 0;
-                       }
                        if (sic_status[(ivg->irqno - IVG7) / 32] & ivg->isrflag)
                                break;
                }
@@ -1416,10 +1408,9 @@ asmlinkage int __ipipe_grab_irq(int vec, struct pt_regs *regs)
                sic_status = bfin_read_SIC_IMASK() & bfin_read_SIC_ISR();
 
                for (;; ivg++) {
-                       if (ivg >= ivg_stop) {
-                               atomic_inc(&num_spurious);
+                       if (ivg >= ivg_stop)
                                return 0;
-                       } else if (sic_status & ivg->isrflag)
+                       if (sic_status & ivg->isrflag)
                                break;
                }
 #endif