linux-kernel - [PATCH v2 1/2] regmap: include <linux/ktime.h> from include/linux/regmap.h

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Date:   Mon, 23 Apr 2018 14:42:44 +0800
From:   <sean.wang@...iatek.com>
To:     <matthias.bgg@...il.com>, <rjw@...ysocki.net>,
        <khilman@...libre.com>
CC:     <ulf.hansson@...aro.org>, <linux-mediatek@...ts.infradead.org>,
        <linux-pm@...r.kernel.org>, <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, Sean Wang <sean.wang@...iatek.com>,
        Mark Brown <broonie@...nel.org>
Subject: [PATCH v2 1/2] regmap: include <linux/ktime.h> from include/linux/regmap.h

From: Sean Wang <sean.wang@...iatek.com>

Similar to the readx_poll_timeout() macro calling ktime_* and using
ktime_t type, which is declared in <linux/ktime.h>. So, make
include/linux/regmap.h explicitly include <linux/ktime.h>, like
include/linux/iopoll.h does.  Otherwise, users of the macro will see
below errors.

error: implicit declaration of function ‘ktime_add_us’
[-Werror=implicit-function-declaration]

error: implicit declaration of function ‘ktime_get’
[-Werror=implicit-function-declaration]

error: implicit declaration of function ‘ktime_compare’
[-Werror=implicit-function-declaration]

include/linux/regmap.h:128:2: error: unknown type name ‘ktime_t’
  ktime_t __timeout = ktime_add_us(ktime_get(), __timeout_us); \

Cc: Mark Brown <broonie@...nel.org>
Signed-off-by: Sean Wang <sean.wang@...iatek.com>
---
 include/linux/regmap.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/linux/regmap.h b/include/linux/regmap.h
index 5f7ad05..b6865f0 100644
--- a/include/linux/regmap.h
+++ b/include/linux/regmap.h
@@ -15,6 +15,7 @@
 
 #include <linux/list.h>
 #include <linux/rbtree.h>
+#include <linux/ktime.h>
 #include <linux/delay.h>
 #include <linux/err.h>
 #include <linux/bug.h>
-- 
2.7.4