aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/i2c/busses
diff options
context:
space:
mode:
authorIngo Molnar <mingo@elte.hu>2006-01-18 17:16:04 -0500
committerGreg Kroah-Hartman <gregkh@suse.de>2006-03-23 17:21:51 -0500
commit5c085d369c2c4f18942ec8951466e186366d5c78 (patch)
tree22ca525700049a402281a0503b07db0645075f58 /drivers/i2c/busses
parent7656032b904b936eca65a41afa1f2b3603195657 (diff)
[PATCH] i2c: Semaphore to mutex conversions, part 2
semaphore to mutex conversion. the conversion was generated via scripts, and the result was validated automatically via a script as well. build tested. Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Jean Delvare <khali@linux-fr.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/i2c/busses')
-rw-r--r--drivers/i2c/busses/i2c-amd756-s4882.c13
-rw-r--r--drivers/i2c/busses/i2c-isa.c2
2 files changed, 8 insertions, 7 deletions
diff --git a/drivers/i2c/busses/i2c-amd756-s4882.c b/drivers/i2c/busses/i2c-amd756-s4882.c
index 56c7d987590f..f7b4cb4e9c75 100644
--- a/drivers/i2c/busses/i2c-amd756-s4882.c
+++ b/drivers/i2c/busses/i2c-amd756-s4882.c
@@ -38,6 +38,7 @@
38#include <linux/slab.h> 38#include <linux/slab.h>
39#include <linux/init.h> 39#include <linux/init.h>
40#include <linux/i2c.h> 40#include <linux/i2c.h>
41#include <linux/mutex.h>
41 42
42extern struct i2c_adapter amd756_smbus; 43extern struct i2c_adapter amd756_smbus;
43 44
@@ -45,7 +46,7 @@ static struct i2c_adapter *s4882_adapter;
45static struct i2c_algorithm *s4882_algo; 46static struct i2c_algorithm *s4882_algo;
46 47
47/* Wrapper access functions for multiplexed SMBus */ 48/* Wrapper access functions for multiplexed SMBus */
48static struct semaphore amd756_lock; 49static struct mutex amd756_lock;
49 50
50static s32 amd756_access_virt0(struct i2c_adapter * adap, u16 addr, 51static s32 amd756_access_virt0(struct i2c_adapter * adap, u16 addr,
51 unsigned short flags, char read_write, 52 unsigned short flags, char read_write,
@@ -59,12 +60,12 @@ static s32 amd756_access_virt0(struct i2c_adapter * adap, u16 addr,
59 || addr == 0x18) 60 || addr == 0x18)
60 return -1; 61 return -1;
61 62
62 down(&amd756_lock); 63 mutex_lock(&amd756_lock);
63 64
64 error = amd756_smbus.algo->smbus_xfer(adap, addr, flags, read_write, 65 error = amd756_smbus.algo->smbus_xfer(adap, addr, flags, read_write,
65 command, size, data); 66 command, size, data);
66 67
67 up(&amd756_lock); 68 mutex_unlock(&amd756_lock);
68 69
69 return error; 70 return error;
70} 71}
@@ -87,7 +88,7 @@ static inline s32 amd756_access_channel(struct i2c_adapter * adap, u16 addr,
87 if (addr != 0x4c && (addr & 0xfc) != 0x50 && (addr & 0xfc) != 0x30) 88 if (addr != 0x4c && (addr & 0xfc) != 0x50 && (addr & 0xfc) != 0x30)
88 return -1; 89 return -1;
89 90
90 down(&amd756_lock); 91 mutex_lock(&amd756_lock);
91 92
92 if (last_channels != channels) { 93 if (last_channels != channels) {
93 union i2c_smbus_data mplxdata; 94 union i2c_smbus_data mplxdata;
@@ -105,7 +106,7 @@ static inline s32 amd756_access_channel(struct i2c_adapter * adap, u16 addr,
105 command, size, data); 106 command, size, data);
106 107
107UNLOCK: 108UNLOCK:
108 up(&amd756_lock); 109 mutex_unlock(&amd756_lock);
109 return error; 110 return error;
110} 111}
111 112
@@ -166,7 +167,7 @@ static int __init amd756_s4882_init(void)
166 } 167 }
167 168
168 printk(KERN_INFO "Enabling SMBus multiplexing for Tyan S4882\n"); 169 printk(KERN_INFO "Enabling SMBus multiplexing for Tyan S4882\n");
169 init_MUTEX(&amd756_lock); 170 mutex_init(&amd756_lock);
170 171
171 /* Define the 5 virtual adapters and algorithms structures */ 172 /* Define the 5 virtual adapters and algorithms structures */
172 if (!(s4882_adapter = kzalloc(5 * sizeof(struct i2c_adapter), 173 if (!(s4882_adapter = kzalloc(5 * sizeof(struct i2c_adapter),
diff --git a/drivers/i2c/busses/i2c-isa.c b/drivers/i2c/busses/i2c-isa.c
index 4344ae6b1fcb..c3e1d3e888d7 100644
--- a/drivers/i2c/busses/i2c-isa.c
+++ b/drivers/i2c/busses/i2c-isa.c
@@ -125,7 +125,7 @@ int i2c_isa_del_driver(struct i2c_driver *driver)
125 125
126static int __init i2c_isa_init(void) 126static int __init i2c_isa_init(void)
127{ 127{
128 init_MUTEX(&isa_adapter.clist_lock); 128 mutex_init(&isa_adapter.clist_lock);
129 INIT_LIST_HEAD(&isa_adapter.clients); 129 INIT_LIST_HEAD(&isa_adapter.clients);
130 130
131 isa_adapter.nr = ANY_I2C_ISA_BUS; 131 isa_adapter.nr = ANY_I2C_ISA_BUS;