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W1: new module parameter search_count

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Added a new module parameter search_count which allows overriding the
default search count.  -1 continual, 0 disabled, N that many times.

Signed-off-by: David Fries <david@fries.net>
Signed-off-by: Evgeniy Polyakov <johnpol@2ka.mipt.ru>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
David Fries 2008-10-15 22:04:45 -07:00 committed by Linus Torvalds
parent cd7b28d33d
commit 9141f57c7e
1 changed files with 3 additions and 1 deletions
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4
drivers/w1/w1_int.c
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@ -30,6 +30,8 @@
#include "w1_int.h" #include "w1_int.h"
static u32 w1_ids = 1; static u32 w1_ids = 1;
static int w1_search_count = -1; /* Default is continual scan */
module_param_named(search_count, w1_search_count, int, 0);
static int w1_enable_pullup = 1; static int w1_enable_pullup = 1;
module_param_named(enable_pullup, w1_enable_pullup, int, 0); module_param_named(enable_pullup, w1_enable_pullup, int, 0);
@ -62,8 +64,8 @@ static struct w1_master * w1_alloc_dev(u32 id, int slave_count, int slave_ttl,
dev->initialized = 0; dev->initialized = 0;
dev->id = id; dev->id = id;
dev->slave_ttl = slave_ttl; dev->slave_ttl = slave_ttl;
dev->search_count = w1_search_count;
dev->enable_pullup = w1_enable_pullup; dev->enable_pullup = w1_enable_pullup;
dev->search_count = -1; /* continual scan */
/* 1 for w1_process to decrement /* 1 for w1_process to decrement
* 1 for __w1_remove_master_device to decrement * 1 for __w1_remove_master_device to decrement