Commit-ID:  e44252f4fe79dd9ca93bcf4e8f74389a5b8452f5
Gitweb:     https://git.kernel.org/tip/e44252f4fe79dd9ca93bcf4e8f74389a5b8452f5
Author:     Thomas Gleixner <t...@linutronix.de>
AuthorDate: Sun, 23 Jun 2019 15:24:09 +0200
Committer:  Thomas Gleixner <t...@linutronix.de>
CommitDate: Fri, 28 Jun 2019 00:57:27 +0200

x86/hpet: Use channel for legacy clockevent storage

All preparations are done. Use the channel storage for the legacy
clockevent and remove the static variable.

Signed-off-by: Thomas Gleixner <t...@linutronix.de>
Reviewed-by: Ingo Molnar <mi...@kernel.org>
Cc: Peter Zijlstra <pet...@infradead.org>
Cc: Ricardo Neri <ricardo.neri-calde...@linux.intel.com>
Cc: Ashok Raj <ashok....@intel.com>
Cc: Andi Kleen <andi.kl...@intel.com>
Cc: Suravee Suthikulpanit <suravee.suthikulpa...@amd.com>
Cc: Stephane Eranian <eran...@google.com>
Cc: Ravi Shankar <ravi.v.shan...@intel.com>
Link: https://lkml.kernel.org/r/20190623132436.737689...@linutronix.de

---
 arch/x86/kernel/hpet.c | 11 +++--------
 1 file changed, 3 insertions(+), 8 deletions(-)

diff --git a/arch/x86/kernel/hpet.c b/arch/x86/kernel/hpet.c
index 35633e577d21..c43e96a938d0 100644
--- a/arch/x86/kernel/hpet.c
+++ b/arch/x86/kernel/hpet.c
@@ -66,11 +66,6 @@ bool                                 boot_hpet_disable;
 bool                                   hpet_force_user;
 static bool                            hpet_verbose;
 
-/*
- * The HPET clock event device wrapped in a channel for conversion
- */
-static struct hpet_channel             hpet_channel0;
-
 static inline
 struct hpet_channel *clockevent_to_channel(struct clock_event_device *evt)
 {
@@ -904,7 +899,7 @@ int __init hpet_enable(void)
        clocksource_register_hz(&clocksource_hpet, (u32)hpet_freq);
 
        if (id & HPET_ID_LEGSUP) {
-               hpet_legacy_clockevent_register(&hpet_channel0);
+               hpet_legacy_clockevent_register(&hpet_base.channels[0]);
                hpet_base.channels[0].mode = HPET_MODE_LEGACY;
                if (IS_ENABLED(CONFIG_HPET_EMULATE_RTC))
                        hpet_base.channels[1].mode = HPET_MODE_LEGACY;
@@ -1089,7 +1084,7 @@ int hpet_rtc_timer_init(void)
                return 0;
 
        if (!hpet_default_delta) {
-               struct clock_event_device *evt = &hpet_channel0.evt;
+               struct clock_event_device *evt = &hpet_base.channels[0].evt;
                uint64_t clc;
 
                clc = (uint64_t) evt->mult * NSEC_PER_SEC;
@@ -1187,7 +1182,7 @@ int hpet_set_periodic_freq(unsigned long freq)
        if (freq <= DEFAULT_RTC_INT_FREQ) {
                hpet_pie_limit = DEFAULT_RTC_INT_FREQ / freq;
        } else {
-               struct clock_event_device *evt = &hpet_channel0.evt;
+               struct clock_event_device *evt = &hpet_base.channels[0].evt;
 
                clc = (uint64_t) evt->mult * NSEC_PER_SEC;
                do_div(clc, freq);

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