linux-kernel - [PATCH] iopoll: include <linux/ktime.h> instead of <linux/hrtimer.h>

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Message-Id: <1481679225-10885-1-git-send-email-yamada.masahiro@socionext.com>
Date:   Wed, 14 Dec 2016 10:33:45 +0900
From:   Masahiro Yamada <yamada.masahiro@...ionext.com>
To:     linux-arm-kernel@...ts.infradead.org,
        Will Deacon <will.deacon@....com>
Cc:     Robert Elliott <elliott@...com>,
        Matt Wagantall <mattw@...eaurora.org>,
        Arnd Bergmann <arnd@...db.de>,
        Thierry Reding <thierry.reding@...il.com>,
        David Howells <dhowells@...hat.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Nicolas Pitre <nico@...aro.org>,
        John Stultz <john.stultz@...aro.org>,
        Vegard Nossum <vegard.nossum@...cle.com>,
        Mitchel Humpherys <mitchelh@...eaurora.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Masahiro Yamada <yamada.masahiro@...ionext.com>,
        linux-kernel@...r.kernel.org
Subject: [PATCH] iopoll: include <linux/ktime.h> instead of <linux/hrtimer.h>

The timer APIs this header needs are ktime_get(), ktime_add_us(),
and ktime_compare().  So, including <linux/ktime.h> seems enough.
This commit will cut unnecessary header file parsing.

Signed-off-by: Masahiro Yamada <yamada.masahiro@...ionext.com>
---

I was not quite sure whom I should send this patch to.
I am sending this to Will Deacon because commit 54c523127bcc
("iopoll: Introduce memory-mapped IO polling macros") was applied
by him.


 include/linux/iopoll.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/linux/iopoll.h b/include/linux/iopoll.h
index 1c30014..d29e1e2 100644
--- a/include/linux/iopoll.h
+++ b/include/linux/iopoll.h
@@ -17,7 +17,7 @@
 
 #include <linux/kernel.h>
 #include <linux/types.h>
-#include <linux/hrtimer.h>
+#include <linux/ktime.h>
 #include <linux/delay.h>
 #include <linux/errno.h>
 #include <linux/io.h>
-- 
2.7.4