linux-kernel - [PATCH v2 0/1] Fix linux/wait.h header file

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Date:	Mon, 21 Feb 2011 16:38:50 +0200
From:	David Cohen <dacohen@...il.com>
To:	linux-kernel@...r.kernel.org
Cc:	mingo@...e.hu, peterz@...radead.org, linux-omap@...r.kernel.org,
	linux-media@...r.kernel.org, David Cohen <dacohen@...il.com>
Subject: [PATCH v2 0/1] Fix linux/wait.h header file

Hi,

OMAP2 camera driver compilation is broken due to problems on linux/wait.h header
file:

drivers/media/video/omap24xxcam.c: In function 'omap24xxcam_vbq_complete':
drivers/media/video/omap24xxcam.c:414: error: 'TASK_NORMAL' undeclared (first use in this function)
drivers/media/video/omap24xxcam.c:414: error: (Each undeclared identifier is reported only once
drivers/media/video/omap24xxcam.c:414: error: for each function it appears in.)
make[3]: *** [drivers/media/video/omap24xxcam.o] Error 1
make[2]: *** [drivers/media/video] Error 2
make[1]: *** [drivers/media] Error 2
make: *** [drivers] Error 2

This file defines macros wake_up*() which use TASK_* defined on linux/sched.h.
But sched.h cannot be included on wait.h due to a circular dependency between
both files. This patch fixes such compilation and the circular dependency
problem.

Br,

David
---

David Cohen (1):
  headers: fix circular dependency between linux/sched.h and
    linux/wait.h

 include/linux/sched.h      |   58 +-----------------------------------------
 include/linux/task_state.h |   61 ++++++++++++++++++++++++++++++++++++++++++++
 include/linux/wait.h       |    1 +
 3 files changed, 63 insertions(+), 57 deletions(-)
 create mode 100644 include/linux/task_state.h

-- 
1.7.2.3

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