aboutsummaryrefslogtreecommitdiffstats
path: root/arch
diff options
context:
space:
mode:
Diffstat (limited to 'arch')
-rw-r--r--arch/parisc/include/asm/io.h2
-rw-r--r--arch/parisc/kernel/irq.c9
-rw-r--r--arch/parisc/kernel/syscall.S2
-rw-r--r--arch/parisc/kernel/time.c21
-rw-r--r--arch/parisc/mm/fault.c2
5 files changed, 15 insertions, 21 deletions
diff --git a/arch/parisc/include/asm/io.h b/arch/parisc/include/asm/io.h
index 8cd0abf28ffb..1a16f1d1075f 100644
--- a/arch/parisc/include/asm/io.h
+++ b/arch/parisc/include/asm/io.h
@@ -137,6 +137,8 @@ static inline void __iomem * ioremap(unsigned long offset, unsigned long size)
return __ioremap(offset, size, _PAGE_NO_CACHE);
}
#define ioremap_nocache(off, sz) ioremap((off), (sz))
+#define ioremap_wc ioremap_nocache
+#define ioremap_uc ioremap_nocache
extern void iounmap(const volatile void __iomem *addr);
diff --git a/arch/parisc/kernel/irq.c b/arch/parisc/kernel/irq.c
index 413ec3c3f9cc..ba5e1c7b1f17 100644
--- a/arch/parisc/kernel/irq.c
+++ b/arch/parisc/kernel/irq.c
@@ -507,8 +507,8 @@ void do_cpu_irq_mask(struct pt_regs *regs)
struct pt_regs *old_regs;
unsigned long eirr_val;
int irq, cpu = smp_processor_id();
-#ifdef CONFIG_SMP
struct irq_data *irq_data;
+#ifdef CONFIG_SMP
cpumask_t dest;
#endif
@@ -521,8 +521,13 @@ void do_cpu_irq_mask(struct pt_regs *regs)
goto set_out;
irq = eirr_to_irq(eirr_val);
-#ifdef CONFIG_SMP
irq_data = irq_get_irq_data(irq);
+
+ /* Filter out spurious interrupts, mostly from serial port at bootup */
+ if (unlikely(!irq_desc_has_action(irq_data_to_desc(irq_data))))
+ goto set_out;
+
+#ifdef CONFIG_SMP
cpumask_copy(&dest, irq_data_get_affinity_mask(irq_data));
if (irqd_is_per_cpu(irq_data) &&
!cpumask_test_cpu(smp_processor_id(), &dest)) {
diff --git a/arch/parisc/kernel/syscall.S b/arch/parisc/kernel/syscall.S
index 7ef22e3387e0..0b8d26d3ba43 100644
--- a/arch/parisc/kernel/syscall.S
+++ b/arch/parisc/kernel/syscall.S
@@ -821,7 +821,7 @@ cas2_action:
/* 64bit CAS */
#ifdef CONFIG_64BIT
19: ldd,ma 0(%sr3,%r26), %r29
- sub,= %r29, %r25, %r0
+ sub,*= %r29, %r25, %r0
b,n cas2_end
20: std,ma %r24, 0(%sr3,%r26)
copy %r0, %r28
diff --git a/arch/parisc/kernel/time.c b/arch/parisc/kernel/time.c
index 70e105d62423..400acac0a304 100644
--- a/arch/parisc/kernel/time.c
+++ b/arch/parisc/kernel/time.c
@@ -202,7 +202,6 @@ static struct clocksource clocksource_cr16 = {
.flags = CLOCK_SOURCE_IS_CONTINUOUS,
};
-#ifdef CONFIG_SMP
int update_cr16_clocksource(void)
{
/* since the cr16 cycle counters are not synchronized across CPUs,
@@ -214,12 +213,6 @@ int update_cr16_clocksource(void)
return 0;
}
-#else
-int update_cr16_clocksource(void)
-{
- return 0; /* no change */
-}
-#endif /*CONFIG_SMP*/
void __init start_cpu_itimer(void)
{
@@ -231,20 +224,14 @@ void __init start_cpu_itimer(void)
per_cpu(cpu_data, cpu).it_value = next_tick;
}
-static struct platform_device rtc_generic_dev = {
- .name = "rtc-generic",
- .id = -1,
-};
-
static int __init rtc_init(void)
{
- if (platform_device_register(&rtc_generic_dev) < 0)
- printk(KERN_ERR "unable to register rtc device...\n");
+ struct platform_device *pdev;
- /* not necessarily an error */
- return 0;
+ pdev = platform_device_register_simple("rtc-generic", -1, NULL, 0);
+ return PTR_ERR_OR_ZERO(pdev);
}
-module_init(rtc_init);
+device_initcall(rtc_init);
void read_persistent_clock(struct timespec *ts)
{
diff --git a/arch/parisc/mm/fault.c b/arch/parisc/mm/fault.c
index 15503adddf4f..a762864ec92e 100644
--- a/arch/parisc/mm/fault.c
+++ b/arch/parisc/mm/fault.c
@@ -207,7 +207,7 @@ void do_page_fault(struct pt_regs *regs, unsigned long code,
int fault;
unsigned int flags;
- if (pagefault_disabled())
+ if (faulthandler_disabled())
goto no_context;
tsk = current;

Privacy Policy