Blackfin: clean up irq ifdef logic a bit

Prefer MMR named checks over part-specific lists, condense duplicated
code across different #ifdef branches, simplify CONFIG_PM ifdefs, and
drop unused kgdb header.

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

1 files changed, 39 insertions, 47 deletions

diff --git a/arch/blackfin/mach-common/ints-priority.c b/arch/blackfin/mach-common/ints-priority.c
index 01926e5948b..766e9f6d062 100644
--- a/arch/blackfin/mach-common/ints-priority.c
+++ b/arch/blackfin/mach-common/ints-priority.c
@@ -19,9 +19,6 @@
 #ifdef CONFIG_IPIPE
 #include <linux/ipipe.h>
 #endif
-#ifdef CONFIG_KGDB
-#include <linux/kgdb.h>
-#endif
 #include <asm/traps.h>
 #include <asm/blackfin.h>
 #include <asm/gpio.h>
@@ -153,24 +150,22 @@ static void bfin_core_unmask_irq(struct irq_data *d)
 
 static void bfin_internal_mask_irq(unsigned int irq)
 {
-        unsigned long flags;
+        unsigned long flags = hard_local_irq_save();
 
-#ifdef CONFIG_BF53x
-        flags = hard_local_irq_save();
-        bfin_write_SIC_IMASK(bfin_read_SIC_IMASK() &
-                             ~(1 << SIC_SYSIRQ(irq)));
-#else
-        unsigned mask_bank, mask_bit;
-        flags = hard_local_irq_save();
-        mask_bank = SIC_SYSIRQ(irq) / 32;
-        mask_bit = SIC_SYSIRQ(irq) % 32;
+#ifdef SIC_IMASK0
+        unsigned mask_bank = SIC_SYSIRQ(irq) / 32;
+        unsigned mask_bit = SIC_SYSIRQ(irq) % 32;
         bfin_write_SIC_IMASK(mask_bank, bfin_read_SIC_IMASK(mask_bank) &
                              ~(1 << mask_bit));
-#ifdef CONFIG_SMP
+# ifdef CONFIG_SMP
         bfin_write_SICB_IMASK(mask_bank, bfin_read_SICB_IMASK(mask_bank) &
                              ~(1 << mask_bit));
+# endif
+#else
+        bfin_write_SIC_IMASK(bfin_read_SIC_IMASK() &
+                             ~(1 << SIC_SYSIRQ(irq)));
 #endif
-#endif
+
         hard_local_irq_restore(flags);
 }
 
@@ -186,30 +181,28 @@ static void bfin_internal_unmask_irq_affinity(unsigned int irq,
 static void bfin_internal_unmask_irq(unsigned int irq)
 #endif
 {
-        unsigned long flags;
+        unsigned long flags = hard_local_irq_save();
 
-#ifdef CONFIG_BF53x
-        flags = hard_local_irq_save();
-        bfin_write_SIC_IMASK(bfin_read_SIC_IMASK() |
-                             (1 << SIC_SYSIRQ(irq)));
-#else
-        unsigned mask_bank, mask_bit;
-        flags = hard_local_irq_save();
-        mask_bank = SIC_SYSIRQ(irq) / 32;
-        mask_bit = SIC_SYSIRQ(irq) % 32;
-#ifdef CONFIG_SMP
+#ifdef SIC_IMASK0
+        unsigned mask_bank = SIC_SYSIRQ(irq) / 32;
+        unsigned mask_bit = SIC_SYSIRQ(irq) % 32;
+# ifdef CONFIG_SMP
         if (cpumask_test_cpu(0, affinity))
-#endif
+# endif
                 bfin_write_SIC_IMASK(mask_bank,
                         bfin_read_SIC_IMASK(mask_bank) |
                         (1 << mask_bit));
-#ifdef CONFIG_SMP
+# ifdef CONFIG_SMP
         if (cpumask_test_cpu(1, affinity))
                 bfin_write_SICB_IMASK(mask_bank,
                         bfin_read_SICB_IMASK(mask_bank) |
                         (1 << mask_bit));
+# endif
+#else
+        bfin_write_SIC_IMASK(bfin_read_SIC_IMASK() |
+                             (1 << SIC_SYSIRQ(irq)));
 #endif
-#endif
+
         hard_local_irq_restore(flags);
 }
 
@@ -292,6 +285,8 @@ static int bfin_internal_set_wake_chip(struct irq_data *d, unsigned int state)
 {
         return bfin_internal_set_wake(d->irq, state);
 }
+#else
+# define bfin_internal_set_wake_chip NULL
 #endif
 
 static struct irq_chip bfin_core_irqchip = {
@@ -312,9 +307,7 @@ static struct irq_chip bfin_internal_irqchip = {
 #ifdef CONFIG_SMP
         .irq_set_affinity = bfin_internal_set_affinity,
 #endif
-#ifdef CONFIG_PM
         .irq_set_wake = bfin_internal_set_wake_chip,
-#endif
 };
 
 static void bfin_handle_irq(unsigned irq)
@@ -508,6 +501,8 @@ int bfin_mac_status_set_wake(struct irq_data *d, unsigned int state)
         return bfin_internal_set_wake(IRQ_MAC_ERROR, state);
 #endif
 }
+#else
+# define bfin_mac_status_set_wake NULL
 #endif
 
 static struct irq_chip bfin_mac_status_irqchip = {
@@ -516,9 +511,7 @@ static struct irq_chip bfin_mac_status_irqchip = {
         .irq_mask_ack = bfin_mac_status_mask_irq,
         .irq_mask = bfin_mac_status_mask_irq,
         .irq_unmask = bfin_mac_status_unmask_irq,
-#ifdef CONFIG_PM
         .irq_set_wake = bfin_mac_status_set_wake,
-#endif
 };
 
 static void bfin_demux_mac_status_irq(unsigned int int_err_irq,
@@ -681,6 +674,8 @@ int bfin_gpio_set_wake(struct irq_data *d, unsigned int state)
 {
         return gpio_pm_wakeup_ctrl(irq_to_gpio(d->irq), state);
 }
+#else
+# define bfin_gpio_set_wake NULL
 #endif
 
 static void bfin_demux_gpio_irq(unsigned int inta_irq,
@@ -699,7 +694,7 @@ static void bfin_demux_gpio_irq(unsigned int inta_irq,
                 irq = IRQ_PH0;
                 break;
 # endif
-#elif defined(CONFIG_BF538) || defined(CONFIG_BF539)
+#elif defined(BF538_FAMILY)
         case IRQ_PORTF_INTA:
                 irq = IRQ_PF0;
                 break;
@@ -1036,6 +1031,8 @@ void bfin_pm_restore(void)
                 }
         }
 }
+#else
+# define bfin_gpio_set_wake NULL
 #endif
 
 static void bfin_demux_gpio_irq(unsigned int inta_irq,
@@ -1088,9 +1085,7 @@ static struct irq_chip bfin_gpio_irqchip = {
         .irq_set_type = bfin_gpio_irq_type,
         .irq_startup = bfin_gpio_irq_startup,
         .irq_shutdown = bfin_gpio_irq_shutdown,
-#ifdef CONFIG_PM
         .irq_set_wake = bfin_gpio_set_wake,
-#endif
 };
 
 void __cpuinit init_exception_vectors(void)
@@ -1124,12 +1119,12 @@ int __init init_arch_irq(void)
 {
         int irq;
         unsigned long ilat = 0;
+
         /*  Disable all the peripheral intrs  - page 4-29 HW Ref manual */
-#if defined(CONFIG_BF54x) || defined(CONFIG_BF52x) || defined(CONFIG_BF561) \
-        || defined(BF538_FAMILY) || defined(CONFIG_BF51x)
+#ifdef SIC_IMASK0
         bfin_write_SIC_IMASK0(SIC_UNMASK_ALL);
         bfin_write_SIC_IMASK1(SIC_UNMASK_ALL);
-# ifdef CONFIG_BF54x
+# ifdef SIC_IMASK2
         bfin_write_SIC_IMASK2(SIC_UNMASK_ALL);
 # endif
 # ifdef CONFIG_SMP
@@ -1183,7 +1178,7 @@ int __init init_arch_irq(void)
                 case IRQ_PROG0_INTA:
                 case IRQ_PROG1_INTA:
                 case IRQ_PROG2_INTA:
-#elif defined(CONFIG_BF538) || defined(CONFIG_BF539)
+#elif defined(BF538_FAMILY)
                 case IRQ_PORTF_INTA:
 #endif
                         irq_set_chained_handler(irq, bfin_demux_gpio_irq);
@@ -1210,11 +1205,10 @@ int __init init_arch_irq(void)
                 case IRQ_CORETMR:
 # ifdef CONFIG_SMP
                         irq_set_handler(irq, handle_percpu_irq);
-                        break;
 # else
                         irq_set_handler(irq, handle_simple_irq);
-                        break;
 # endif
+                        break;
 #endif
 
 #ifdef CONFIG_TICKSOURCE_GPTMR0
@@ -1223,15 +1217,13 @@ int __init init_arch_irq(void)
                         break;
 #endif
 
-#ifdef CONFIG_IPIPE
                 default:
+#ifdef CONFIG_IPIPE
                         irq_set_handler(irq, handle_level_irq);
-                        break;
-#else /* !CONFIG_IPIPE */
-                default:
+#else
                         irq_set_handler(irq, handle_simple_irq);
+#endif
                         break;
-#endif /* !CONFIG_IPIPE */
                 }
         }