Commit 0b5c597d authored by Ingo Molnar's avatar Ingo Molnar Committed by Thomas Gleixner
Browse files

x86/hpet: Coding style cleanup



Signed-off-by: default avatarIngo Molnar <mingo@kernel.org>
Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
Reviewed-by: default avatarIngo Molnar <mingo@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ricardo Neri <ricardo.neri-calderon@linux.intel.com>
Cc: Ashok Raj <ashok.raj@intel.com>
Cc: Andi Kleen <andi.kleen@intel.com>
Cc: Suravee Suthikulpanit <Suravee.Suthikulpanit@amd.com>
Cc: Stephane Eranian <eranian@google.com>
Cc: Ravi Shankar <ravi.v.shankar@intel.com>
Link: https://lkml.kernel.org/r/20190623132435.637420368@linutronix.de
parent dfe36b57
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+26 −17
Original line number Diff line number Diff line
@@ -131,26 +131,33 @@ EXPORT_SYMBOL_GPL(is_hpet_enabled);

static void _hpet_print_config(const char *function, int line)
{
	u32 i, timers, l, h;
	u32 i, id, period, cfg, status, channels, l, h;

	pr_info("%s(%d):\n", function, line);
	l = hpet_readl(HPET_ID);
	h = hpet_readl(HPET_PERIOD);
	timers = ((l & HPET_ID_NUMBER) >> HPET_ID_NUMBER_SHIFT) + 1;
	pr_info("ID: 0x%x, PERIOD: 0x%x\n", l, h);
	l = hpet_readl(HPET_CFG);
	h = hpet_readl(HPET_STATUS);
	pr_info("CFG: 0x%x, STATUS: 0x%x\n", l, h);

	id = hpet_readl(HPET_ID);
	period = hpet_readl(HPET_PERIOD);
	pr_info("ID: 0x%x, PERIOD: 0x%x\n", id, period);

	cfg = hpet_readl(HPET_CFG);
	status = hpet_readl(HPET_STATUS);
	pr_info("CFG: 0x%x, STATUS: 0x%x\n", cfg, status);

	l = hpet_readl(HPET_COUNTER);
	h = hpet_readl(HPET_COUNTER+4);
	pr_info("COUNTER_l: 0x%x, COUNTER_h: 0x%x\n", l, h);

	for (i = 0; i < timers; i++) {
	channels = ((id & HPET_ID_NUMBER) >> HPET_ID_NUMBER_SHIFT) + 1;

	for (i = 0; i < channels; i++) {
		l = hpet_readl(HPET_Tn_CFG(i));
		h = hpet_readl(HPET_Tn_CFG(i)+4);
		pr_info("T%d: CFG_l: 0x%x, CFG_h: 0x%x\n", i, l, h);

		l = hpet_readl(HPET_Tn_CMP(i));
		h = hpet_readl(HPET_Tn_CMP(i)+4);
		pr_info("T%d: CMP_l: 0x%x, CMP_h: 0x%x\n", i, l, h);

		l = hpet_readl(HPET_Tn_ROUTE(i));
		h = hpet_readl(HPET_Tn_ROUTE(i)+4);
		pr_info("T%d ROUTE_l: 0x%x, ROUTE_h: 0x%x\n", i, l, h);
@@ -216,6 +223,7 @@ static void hpet_reserve_platform_timers(unsigned int id) { }
static void hpet_stop_counter(void)
{
	u32 cfg = hpet_readl(HPET_CFG);

	cfg &= ~HPET_CFG_ENABLE;
	hpet_writel(cfg, HPET_CFG);
}
@@ -229,6 +237,7 @@ static void hpet_reset_counter(void)
static void hpet_start_counter(void)
{
	unsigned int cfg = hpet_readl(HPET_CFG);

	cfg |= HPET_CFG_ENABLE;
	hpet_writel(cfg, HPET_CFG);
}
@@ -1142,6 +1151,7 @@ EXPORT_SYMBOL_GPL(hpet_rtc_timer_init);
static void hpet_disable_rtc_channel(void)
{
	u32 cfg = hpet_readl(HPET_T1_CFG);

	cfg &= ~HPET_TN_ENABLE;
	hpet_writel(cfg, HPET_T1_CFG);
}
@@ -1183,8 +1193,7 @@ int hpet_set_rtc_irq_bit(unsigned long bit_mask)
}
EXPORT_SYMBOL_GPL(hpet_set_rtc_irq_bit);

int hpet_set_alarm_time(unsigned char hrs, unsigned char min,
			unsigned char sec)
int hpet_set_alarm_time(unsigned char hrs, unsigned char min, unsigned char sec)
{
	if (!is_hpet_enabled())
		return 0;
@@ -1204,15 +1213,16 @@ int hpet_set_periodic_freq(unsigned long freq)
	if (!is_hpet_enabled())
		return 0;

	if (freq <= DEFAULT_RTC_INT_FREQ)
	if (freq <= DEFAULT_RTC_INT_FREQ) {
		hpet_pie_limit = DEFAULT_RTC_INT_FREQ / freq;
	else {
	} else {
		clc = (uint64_t) hpet_clockevent.mult * NSEC_PER_SEC;
		do_div(clc, freq);
		clc >>= hpet_clockevent.shift;
		hpet_pie_delta = clc;
		hpet_pie_limit = 0;
	}

	return 1;
}
EXPORT_SYMBOL_GPL(hpet_set_periodic_freq);
@@ -1272,8 +1282,7 @@ irqreturn_t hpet_rtc_interrupt(int irq, void *dev_id)
		hpet_prev_update_sec = curr_time.tm_sec;
	}

	if (hpet_rtc_flags & RTC_PIE &&
	    ++hpet_pie_count >= hpet_pie_limit) {
	if (hpet_rtc_flags & RTC_PIE && ++hpet_pie_count >= hpet_pie_limit) {
		rtc_int_flag |= RTC_PF;
		hpet_pie_count = 0;
	}