linux-kernel - [PATCH 28/31] staging: comedi: ni_daq_700: remove unused pcmcia 'stop' logic

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Message-ID: <201206221637.56385.hartleys@visionengravers.com>
Date:	Fri, 22 Jun 2012 16:37:56 -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 28/31] staging: comedi: ni_daq_700: remove unused pcmcia 'stop' logic

The pcmcia support code in this driver appears to be cut-and-
paste from some other driver. It has code in it to stop the
device during suspend but nothing in the main comedi_driver
uses it.

Remove the 'stop' variable from the pcmcia private data and
all the logic that deals with it.

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 | 9 ---------
 1 file changed, 9 deletions(-)

diff --git a/drivers/staging/comedi/drivers/ni_daq_700.c b/drivers/staging/comedi/drivers/ni_daq_700.c
index bb857ac4..b02ed37 100644
--- a/drivers/staging/comedi/drivers/ni_daq_700.c
+++ b/drivers/staging/comedi/drivers/ni_daq_700.c
@@ -212,7 +212,6 @@ failed:
 
 struct local_info_t {
 	struct pcmcia_device *link;
-	int stop;
 	struct bus_operations *bus;
 };
 
@@ -238,7 +237,6 @@ static int dio700_cs_attach(struct pcmcia_device *link)
 
 static void dio700_cs_detach(struct pcmcia_device *link)
 {
-	((struct local_info_t *)link->priv)->stop = 1;
 	dio700_release(link);
 
 	/* This points to the parent struct local_info_t struct */
@@ -247,18 +245,11 @@ static void dio700_cs_detach(struct pcmcia_device *link)
 
 static int dio700_cs_suspend(struct pcmcia_device *link)
 {
-	struct local_info_t *local = link->priv;
-
-	/* Mark the device as stopped, to block IO until later */
-	local->stop = 1;
 	return 0;
 }
 
 static int dio700_cs_resume(struct pcmcia_device *link)
 {
-	struct local_info_t *local = link->priv;
-
-	local->stop = 0;
 	return 0;
 }
 
-- 
1.7.11

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