linux-kernel - [PATCH 16/31] staging: comedi: ni_daq

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Date:	Fri, 22 Jun 2012 16:25:26 -0700
From:	H Hartley Sweeten <hartleys@...ionengravers.com>
To:	Linux Kernel <linux-kernel@...r.kernel.org>
CC:	<devel@...verdev.osuosl.org>, <abbotti@....co.uk>,
	<fmhess@...rs.sourceforge.net>, <gregkh@...uxfoundation.org>
Subject: [PATCH 16/31] staging: comedi: ni_daq_700: remove thisboard macro

The 'thisboard' macro relies on a local variable having a specific
name and yields a pointer derived from that local variable.
Replace the macro with local variables and use the comedi_board()
helper to get the pointer.

Signed-off-by: H Hartley Sweeten <hsweeten@...ionengravers.com>
Cc: Ian Abbott <abbotti@....co.uk>
Cc: Frank Mori Hess <fmhess@...rs.sourceforge.net>
Cc: Greg Kroah-hartman <gregkh@...uxfoundation.org>
---
 drivers/staging/comedi/drivers/ni_daq_700.c | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/drivers/staging/comedi/drivers/ni_daq_700.c b/drivers/staging/comedi/drivers/ni_daq_700.c
index 864bef7..2f84934 100644
--- a/drivers/staging/comedi/drivers/ni_daq_700.c
+++ b/drivers/staging/comedi/drivers/ni_daq_700.c
@@ -59,11 +59,6 @@ struct dio700_board {
 	const char *name;
 };
 
-/*
- * Useful for shorthand access to the particular board structure
- */
-#define thisboard ((const struct dio700_board *)dev->board_ptr)
-
 #define _700_SIZE 8
 
 #define _700_DATA 0
@@ -178,6 +173,7 @@ static void subdev_700_cleanup(struct comedi_device *dev,
 
 static int dio700_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 {
+	const struct dio700_board *thisboard = comedi_board(dev);
 	struct comedi_subdevice *s;
 	unsigned long iobase = 0;
 #ifdef incomplete
-- 
1.7.11

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