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Diffstat (limited to 'arch/s390')
-rw-r--r--arch/s390/include/asm/irq.h5
-rw-r--r--arch/s390/kernel/irq.c10
-rw-r--r--arch/s390/kernel/perf_cpum_cf.c6
-rw-r--r--arch/s390/kernel/perf_cpum_sf.c6
-rw-r--r--arch/s390/kernel/runtime_instr.c3
-rw-r--r--arch/s390/kernel/sclp.S5
-rw-r--r--arch/s390/kernel/smp.c4
-rw-r--r--arch/s390/kernel/time.c6
-rw-r--r--arch/s390/mm/fault.c4
-rw-r--r--arch/s390/oprofile/hwsampler.c4
10 files changed, 30 insertions, 23 deletions
diff --git a/arch/s390/include/asm/irq.h b/arch/s390/include/asm/irq.h
index 58c1ea63945..763ccdcb70b 100644
--- a/arch/s390/include/asm/irq.h
+++ b/arch/s390/include/asm/irq.h
@@ -27,6 +27,7 @@
#define EXT_IRQ_TIMING_ALERT 0x1406
#define EXT_IRQ_MEASURE_ALERT 0x1407
#define EXT_IRQ_SERVICE_SIG 0x2401
+#define EXT_IRQ_CP_SERVICE 0x2603
#define EXT_IRQ_IUCV 0x4000
#ifndef __ASSEMBLY__
@@ -89,8 +90,8 @@ struct ext_code {
typedef void (*ext_int_handler_t)(struct ext_code, unsigned int, unsigned long);
-int register_external_interrupt(u16 code, ext_int_handler_t handler);
-int unregister_external_interrupt(u16 code, ext_int_handler_t handler);
+int register_external_irq(u16 code, ext_int_handler_t handler);
+int unregister_external_irq(u16 code, ext_int_handler_t handler);
enum irq_subclass {
IRQ_SUBCLASS_MEASUREMENT_ALERT = 5,
diff --git a/arch/s390/kernel/irq.c b/arch/s390/kernel/irq.c
index bb27a262c44..083617d739d 100644
--- a/arch/s390/kernel/irq.c
+++ b/arch/s390/kernel/irq.c
@@ -205,7 +205,7 @@ static inline int ext_hash(u16 code)
return (code + (code >> 9)) & (ARRAY_SIZE(ext_int_hash) - 1);
}
-int register_external_interrupt(u16 code, ext_int_handler_t handler)
+int register_external_irq(u16 code, ext_int_handler_t handler)
{
struct ext_int_info *p;
unsigned long flags;
@@ -223,9 +223,9 @@ int register_external_interrupt(u16 code, ext_int_handler_t handler)
spin_unlock_irqrestore(&ext_int_hash_lock, flags);
return 0;
}
-EXPORT_SYMBOL(register_external_interrupt);
+EXPORT_SYMBOL(register_external_irq);
-int unregister_external_interrupt(u16 code, ext_int_handler_t handler)
+int unregister_external_irq(u16 code, ext_int_handler_t handler)
{
struct ext_int_info *p;
unsigned long flags;
@@ -241,7 +241,7 @@ int unregister_external_interrupt(u16 code, ext_int_handler_t handler)
spin_unlock_irqrestore(&ext_int_hash_lock, flags);
return 0;
}
-EXPORT_SYMBOL(unregister_external_interrupt);
+EXPORT_SYMBOL(unregister_external_irq);
static irqreturn_t do_ext_interrupt(int irq, void *dummy)
{
@@ -251,7 +251,7 @@ static irqreturn_t do_ext_interrupt(int irq, void *dummy)
int index;
ext_code = *(struct ext_code *) &regs->int_code;
- if (ext_code.code != 0x1004)
+ if (ext_code.code != EXT_IRQ_CLK_COMP)
__get_cpu_var(s390_idle).nohz_delay = 1;
index = ext_hash(ext_code.code);
diff --git a/arch/s390/kernel/perf_cpum_cf.c b/arch/s390/kernel/perf_cpum_cf.c
index f51214c0485..ea75d011a6f 100644
--- a/arch/s390/kernel/perf_cpum_cf.c
+++ b/arch/s390/kernel/perf_cpum_cf.c
@@ -673,7 +673,8 @@ static int __init cpumf_pmu_init(void)
ctl_clear_bit(0, 48);
/* register handler for measurement-alert interruptions */
- rc = register_external_interrupt(0x1407, cpumf_measurement_alert);
+ rc = register_external_irq(EXT_IRQ_MEASURE_ALERT,
+ cpumf_measurement_alert);
if (rc) {
pr_err("Registering for CPU-measurement alerts "
"failed with rc=%i\n", rc);
@@ -684,7 +685,8 @@ static int __init cpumf_pmu_init(void)
rc = perf_pmu_register(&cpumf_pmu, "cpum_cf", PERF_TYPE_RAW);
if (rc) {
pr_err("Registering the cpum_cf PMU failed with rc=%i\n", rc);
- unregister_external_interrupt(0x1407, cpumf_measurement_alert);
+ unregister_external_irq(EXT_IRQ_MEASURE_ALERT,
+ cpumf_measurement_alert);
goto out;
}
perf_cpu_notifier(cpumf_pmu_notifier);
diff --git a/arch/s390/kernel/perf_cpum_sf.c b/arch/s390/kernel/perf_cpum_sf.c
index 6c0d29827cb..ea0c7b2ef03 100644
--- a/arch/s390/kernel/perf_cpum_sf.c
+++ b/arch/s390/kernel/perf_cpum_sf.c
@@ -1621,7 +1621,8 @@ static int __init init_cpum_sampling_pmu(void)
pr_err("Registering for s390dbf failed\n");
debug_register_view(sfdbg, &debug_sprintf_view);
- err = register_external_interrupt(0x1407, cpumf_measurement_alert);
+ err = register_external_irq(EXT_IRQ_MEASURE_ALERT,
+ cpumf_measurement_alert);
if (err) {
pr_cpumsf_err(RS_INIT_FAILURE_ALRT);
goto out;
@@ -1630,7 +1631,8 @@ static int __init init_cpum_sampling_pmu(void)
err = perf_pmu_register(&cpumf_sampling, "cpum_sf", PERF_TYPE_RAW);
if (err) {
pr_cpumsf_err(RS_INIT_FAILURE_PERF);
- unregister_external_interrupt(0x1407, cpumf_measurement_alert);
+ unregister_external_irq(EXT_IRQ_MEASURE_ALERT,
+ cpumf_measurement_alert);
goto out;
}
perf_cpu_notifier(cpumf_pmu_notifier);
diff --git a/arch/s390/kernel/runtime_instr.c b/arch/s390/kernel/runtime_instr.c
index d817cce7e72..26b4ae96fdd 100644
--- a/arch/s390/kernel/runtime_instr.c
+++ b/arch/s390/kernel/runtime_instr.c
@@ -138,7 +138,8 @@ static int __init runtime_instr_init(void)
return 0;
irq_subclass_register(IRQ_SUBCLASS_MEASUREMENT_ALERT);
- rc = register_external_interrupt(0x1407, runtime_instr_int_handler);
+ rc = register_external_irq(EXT_IRQ_MEASURE_ALERT,
+ runtime_instr_int_handler);
if (rc)
irq_subclass_unregister(IRQ_SUBCLASS_MEASUREMENT_ALERT);
else
diff --git a/arch/s390/kernel/sclp.S b/arch/s390/kernel/sclp.S
index 29bd7bec417..a41f2c99dcc 100644
--- a/arch/s390/kernel/sclp.S
+++ b/arch/s390/kernel/sclp.S
@@ -9,6 +9,7 @@
*/
#include <linux/linkage.h>
+#include <asm/irq.h>
LC_EXT_NEW_PSW = 0x58 # addr of ext int handler
LC_EXT_NEW_PSW_64 = 0x1b0 # addr of ext int handler 64 bit
@@ -73,9 +74,9 @@ _sclp_wait_int:
lpsw .LwaitpswS1-.LbaseS1(%r13) # wait until interrupt
.LwaitS1:
lh %r7,LC_EXT_INT_CODE
- chi %r7,0x1004 # timeout?
+ chi %r7,EXT_IRQ_CLK_COMP # timeout?
je .LtimeoutS1
- chi %r7,0x2401 # service int?
+ chi %r7,EXT_IRQ_SERVICE_SIG # service int?
jne .LloopS1
sr %r2,%r2
l %r3,LC_EXT_INT_PARAM
diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c
index 8827883310d..366d14460c2 100644
--- a/arch/s390/kernel/smp.c
+++ b/arch/s390/kernel/smp.c
@@ -785,10 +785,10 @@ void __init smp_fill_possible_mask(void)
void __init smp_prepare_cpus(unsigned int max_cpus)
{
/* request the 0x1201 emergency signal external interrupt */
- if (register_external_interrupt(0x1201, do_ext_call_interrupt) != 0)
+ if (register_external_irq(EXT_IRQ_EMERGENCY_SIG, do_ext_call_interrupt))
panic("Couldn't request external interrupt 0x1201");
/* request the 0x1202 external call external interrupt */
- if (register_external_interrupt(0x1202, do_ext_call_interrupt) != 0)
+ if (register_external_irq(EXT_IRQ_EXTERNAL_CALL, do_ext_call_interrupt))
panic("Couldn't request external interrupt 0x1202");
smp_detect_cpus();
}
diff --git a/arch/s390/kernel/time.c b/arch/s390/kernel/time.c
index dd95f163162..386d37a228b 100644
--- a/arch/s390/kernel/time.c
+++ b/arch/s390/kernel/time.c
@@ -262,11 +262,11 @@ void __init time_init(void)
stp_reset();
/* request the clock comparator external interrupt */
- if (register_external_interrupt(0x1004, clock_comparator_interrupt))
- panic("Couldn't request external interrupt 0x1004");
+ if (register_external_irq(EXT_IRQ_CLK_COMP, clock_comparator_interrupt))
+ panic("Couldn't request external interrupt 0x1004");
/* request the timing alert external interrupt */
- if (register_external_interrupt(0x1406, timing_alert_interrupt))
+ if (register_external_irq(EXT_IRQ_TIMING_ALERT, timing_alert_interrupt))
panic("Couldn't request external interrupt 0x1406");
if (clocksource_register(&clocksource_tod) != 0)
diff --git a/arch/s390/mm/fault.c b/arch/s390/mm/fault.c
index d95265b2719..750565f72e0 100644
--- a/arch/s390/mm/fault.c
+++ b/arch/s390/mm/fault.c
@@ -627,7 +627,7 @@ static int __init pfault_irq_init(void)
{
int rc;
- rc = register_external_interrupt(0x2603, pfault_interrupt);
+ rc = register_external_irq(EXT_IRQ_CP_SERVICE, pfault_interrupt);
if (rc)
goto out_extint;
rc = pfault_init() == 0 ? 0 : -EOPNOTSUPP;
@@ -638,7 +638,7 @@ static int __init pfault_irq_init(void)
return 0;
out_pfault:
- unregister_external_interrupt(0x2603, pfault_interrupt);
+ unregister_external_irq(EXT_IRQ_CP_SERVICE, pfault_interrupt);
out_extint:
pfault_disable = 1;
return rc;
diff --git a/arch/s390/oprofile/hwsampler.c b/arch/s390/oprofile/hwsampler.c
index a32c96761ea..276f2e26c76 100644
--- a/arch/s390/oprofile/hwsampler.c
+++ b/arch/s390/oprofile/hwsampler.c
@@ -1033,7 +1033,7 @@ int hwsampler_setup(void)
max_sampler_rate = cb->qsi.max_sampl_rate;
}
}
- register_external_interrupt(0x1407, hws_ext_handler);
+ register_external_irq(EXT_IRQ_MEASURE_ALERT, hws_ext_handler);
hws_state = HWS_DEALLOCATED;
rc = 0;
@@ -1068,7 +1068,7 @@ int hwsampler_shutdown(void)
hws_wq = NULL;
}
- unregister_external_interrupt(0x1407, hws_ext_handler);
+ unregister_external_irq(EXT_IRQ_MEASURE_ALERT, hws_ext_handler);
hws_state = HWS_INIT;
rc = 0;
}
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2024-12-25 10:55:03 +0000