aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/pnp
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/pnp')
-rw-r--r--drivers/pnp/isapnp/core.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/pnp/isapnp/core.c b/drivers/pnp/isapnp/core.c
index b1b4b683cbdd..ac7c2bb6c69e 100644
--- a/drivers/pnp/isapnp/core.c
+++ b/drivers/pnp/isapnp/core.c
@@ -42,6 +42,7 @@
42#include <linux/delay.h> 42#include <linux/delay.h>
43#include <linux/init.h> 43#include <linux/init.h>
44#include <linux/isapnp.h> 44#include <linux/isapnp.h>
45#include <linux/mutex.h>
45#include <asm/io.h> 46#include <asm/io.h>
46 47
47#if 0 48#if 0
@@ -92,7 +93,7 @@ MODULE_LICENSE("GPL");
92#define _LTAG_FIXEDMEM32RANGE 0x86 93#define _LTAG_FIXEDMEM32RANGE 0x86
93 94
94static unsigned char isapnp_checksum_value; 95static unsigned char isapnp_checksum_value;
95static DECLARE_MUTEX(isapnp_cfg_mutex); 96static DEFINE_MUTEX(isapnp_cfg_mutex);
96static int isapnp_detected; 97static int isapnp_detected;
97static int isapnp_csn_count; 98static int isapnp_csn_count;
98 99
@@ -903,7 +904,7 @@ int isapnp_cfg_begin(int csn, int logdev)
903{ 904{
904 if (csn < 1 || csn > isapnp_csn_count || logdev > 10) 905 if (csn < 1 || csn > isapnp_csn_count || logdev > 10)
905 return -EINVAL; 906 return -EINVAL;
906 down(&isapnp_cfg_mutex); 907 mutex_lock(&isapnp_cfg_mutex);
907 isapnp_wait(); 908 isapnp_wait();
908 isapnp_key(); 909 isapnp_key();
909 isapnp_wake(csn); 910 isapnp_wake(csn);
@@ -929,7 +930,7 @@ int isapnp_cfg_begin(int csn, int logdev)
929int isapnp_cfg_end(void) 930int isapnp_cfg_end(void)
930{ 931{
931 isapnp_wait(); 932 isapnp_wait();
932 up(&isapnp_cfg_mutex); 933 mutex_unlock(&isapnp_cfg_mutex);
933 return 0; 934 return 0;
934} 935}
935 936