linux-kernel - [patch 13/29] x86/hpet: Decapitalize and rename EVT_TO_HPET

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Message-Id: <20190623132435.241032433@linutronix.de>
Date:   Sun, 23 Jun 2019 15:23:53 +0200
From:   Thomas Gleixner <tglx@...utronix.de>
To:     LKML <linux-kernel@...r.kernel.org>
Cc:     x86@...nel.org, Peter Zijlstra <peterz@...radead.org>,
        Ricardo Neri <ricardo.neri-calderon@...ux.intel.com>,
        Ashok Raj <ashok.raj@...el.com>,
        Andi Kleen <andi.kleen@...el.com>,
        Suravee Suthikulpanit <Suravee.Suthikulpanit@....com>,
        Stephane Eranian <eranian@...gle.com>,
        Ravi Shankar <ravi.v.shankar@...el.com>
Subject: [patch 13/29] x86/hpet: Decapitalize and rename EVT_TO_HPET_DEV

It's a function not a macro and the upcoming changes use channel for the
individual hpet timer units to allow a step by step refactoring approach.

Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
---
 arch/x86/kernel/hpet.c |   27 ++++++++++-----------------
 1 file changed, 10 insertions(+), 17 deletions(-)

--- a/arch/x86/kernel/hpet.c
+++ b/arch/x86/kernel/hpet.c
@@ -69,9 +69,10 @@ static bool				hpet_verbose;
 
 static struct clock_event_device	hpet_clockevent;
 
-static inline struct hpet_dev *EVT_TO_HPET_DEV(struct clock_event_device *evtdev)
+static inline
+struct hpet_dev *clockevent_to_channel(struct clock_event_device *evt)
 {
-	return container_of(evtdev, struct hpet_dev, evt);
+	return container_of(evt, struct hpet_dev, evt);
 }
 
 inline unsigned int hpet_readl(unsigned int a)
@@ -458,28 +459,22 @@ void hpet_msi_write(struct hpet_dev *hde
 
 static int hpet_msi_shutdown(struct clock_event_device *evt)
 {
-	struct hpet_dev *hdev = EVT_TO_HPET_DEV(evt);
-
-	return hpet_shutdown(evt, hdev->num);
+	return hpet_shutdown(evt, clockevent_to_channel(evt)->num);
 }
 
 static int hpet_msi_set_oneshot(struct clock_event_device *evt)
 {
-	struct hpet_dev *hdev = EVT_TO_HPET_DEV(evt);
-
-	return hpet_set_oneshot(evt, hdev->num);
+	return hpet_set_oneshot(evt, clockevent_to_channel(evt)->num);
 }
 
 static int hpet_msi_set_periodic(struct clock_event_device *evt)
 {
-	struct hpet_dev *hdev = EVT_TO_HPET_DEV(evt);
-
-	return hpet_set_periodic(evt, hdev->num);
+	return hpet_set_periodic(evt, clockevent_to_channel(evt)->num);
 }
 
 static int hpet_msi_resume(struct clock_event_device *evt)
 {
-	struct hpet_dev *hdev = EVT_TO_HPET_DEV(evt);
+	struct hpet_dev *hdev = clockevent_to_channel(evt);
 	struct irq_data *data = irq_get_irq_data(hdev->irq);
 	struct msi_msg msg;
 
@@ -491,16 +486,14 @@ static int hpet_msi_resume(struct clock_
 }
 
 static int hpet_msi_next_event(unsigned long delta,
-				struct clock_event_device *evt)
+			       struct clock_event_device *evt)
 {
-	struct hpet_dev *hdev = EVT_TO_HPET_DEV(evt);
-
-	return hpet_next_event(delta, hdev->num);
+	return hpet_next_event(delta, clockevent_to_channel(evt)->num);
 }
 
 static irqreturn_t hpet_interrupt_handler(int irq, void *data)
 {
-	struct hpet_dev *dev = (struct hpet_dev *)data;
+	struct hpet_dev *dev = data;
 	struct clock_event_device *hevt = &dev->evt;
 
 	if (!hevt->event_handler) {