linux-kernel - [PATCH 25/30] W1: ds2490.c ds_reset remove ds_wait

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Message-ID: <20080729022655.GY24452@spacedout.fries.net>
Date:	Mon, 28 Jul 2008 21:26:55 -0500
From:	David Fries <david@...es.net>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	linux-kernel@...r.kernel.org,
	Evgeniy Polyakov <johnpol@....mipt.ru>
Subject: [PATCH 25/30] W1: ds2490.c ds_reset remove ds_wait_status

ds_reset no longer calls ds_wait_status, the result wasn't used and it
would only delay the following data operations.

Signed-off-by: David Fries <david@...es.net>
Signed-off-by: Evgeniy Polyakov <johnpol@....mipt.ru>
---
 drivers/w1/masters/ds2490.c |   15 ++-------------
 1 files changed, 2 insertions(+), 13 deletions(-)

diff --git a/drivers/w1/masters/ds2490.c b/drivers/w1/masters/ds2490.c
index 0bcdd3f..eb902ab 100644
--- a/drivers/w1/masters/ds2490.c
+++ b/drivers/w1/masters/ds2490.c
@@ -457,7 +457,7 @@ static int ds_wait_status(struct ds_device *dev, struct ds_status *st)
 		return 0;
 }
 
-static int ds_reset(struct ds_device *dev, struct ds_status *st)
+static int ds_reset(struct ds_device *dev)
 {
 	int err;
 
@@ -466,14 +466,6 @@ static int ds_reset(struct ds_device *dev, struct ds_status *st)
 	if (err)
 		return err;
 
-	ds_wait_status(dev, st);
-#if 0
-	if (st->command_buffer_status) {
-		printk(KERN_INFO "Short circuit.\n");
-		return -EIO;
-	}
-#endif
-
 	return 0;
 }
 
@@ -809,12 +801,9 @@ static u8 ds9490r_read_block(void *data, u8 *buf, int len)
 static u8 ds9490r_reset(void *data)
 {
 	struct ds_device *dev = data;
-	struct ds_status st;
 	int err;
 
-	memset(&st, 0, sizeof(st));
-
-	err = ds_reset(dev, &st);
+	err = ds_reset(dev);
 	if (err)
 		return 1;
 
-- 
1.4.4.4

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