linux-kernel - [tip:x86/cleanups] x86: Replace the EVT_TO_HPET

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Message-ID: <tip-3f7787b36cf2d99f3dbc8a0be85b92a5530a9a76@git.kernel.org>
Date:	Mon, 5 Dec 2011 09:36:40 -0800
From:	tip-bot for Ferenc Wagner <wferi@...f.hu>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...hat.com,
	tglx@...utronix.de, wferi@...f.hu, mingo@...e.hu, venki@...gle.com
Subject: [tip:x86/cleanups] x86: Replace the EVT_TO_HPET_DEV() macro with an inline function

Commit-ID:  3f7787b36cf2d99f3dbc8a0be85b92a5530a9a76
Gitweb:     http://git.kernel.org/tip/3f7787b36cf2d99f3dbc8a0be85b92a5530a9a76
Author:     Ferenc Wagner <wferi@...f.hu>
AuthorDate: Fri, 18 Nov 2011 15:28:22 +0100
Committer:  Ingo Molnar <mingo@...e.hu>
CommitDate: Mon, 5 Dec 2011 13:53:36 +0100

x86: Replace the EVT_TO_HPET_DEV() macro with an inline function

The original macro worked only when applied to variables named
'evt'. While this could have been fixed by simply renaming the
macro argument, a more type-safe replacement is preferred.

Signed-off-by: Ferenc Wagner <wferi@...f.hu>
Cc: Venkatesh Pallipadi \(Venki\) <venki@...gle.com>
Link: http://lkml.kernel.org/r/8ed5c66c02041226e8cf8b4d5d6b41e543d90bd6.1321626272.git.wferi@niif.hu
Signed-off-by: Ingo Molnar <mingo@...e.hu>
---
 arch/x86/kernel/hpet.c |    7 +++++--
 1 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/arch/x86/kernel/hpet.c b/arch/x86/kernel/hpet.c
index b946a9e..52aae9a 100644
--- a/arch/x86/kernel/hpet.c
+++ b/arch/x86/kernel/hpet.c
@@ -32,8 +32,6 @@
 #define HPET_MIN_CYCLES			128
 #define HPET_MIN_PROG_DELTA		(HPET_MIN_CYCLES + (HPET_MIN_CYCLES >> 1))
 
-#define EVT_TO_HPET_DEV(evt) container_of(evt, struct hpet_dev, evt)
-
 /*
  * HPET address is set in acpi/boot.c, when an ACPI entry exists
  */
@@ -55,6 +53,11 @@ struct hpet_dev {
 	char				name[10];
 };
 
+inline struct hpet_dev *EVT_TO_HPET_DEV(struct clock_event_device *evtdev)
+{
+	return container_of(evtdev, struct hpet_dev, evt);
+}
+
 inline unsigned int hpet_readl(unsigned int a)
 {
 	return readl(hpet_virt_address + a);
--
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