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authorStelian Pop <stelian@popies.net>2007-05-08 11:22:02 -0400
committerJean Delvare <khali@hyperion.delvare>2007-05-08 11:22:02 -0400
commit63232dcd555d60d70ce8e09b53c8ef8e4a49a3f9 (patch)
tree75ee7e9fb6cc8e18ad129cbea8fdfba467c21251
parent2d8dd65fc14287f2c004dd755e517ba0f45d446e (diff)
hwmon/ams: Fix I2C read retry logic
Fix sleep and retry logic in ams-i2c. Signed-off-by: Stelian Pop <stelian@popies.net> Signed-off-by: Jean Delvare <khali@linux-fr.org>
-rw-r--r--drivers/hwmon/ams/ams-i2c.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/hwmon/ams/ams-i2c.c b/drivers/hwmon/ams/ams-i2c.c
index 485d333bcb3e..5c70f2e3022e 100644
--- a/drivers/hwmon/ams/ams-i2c.c
+++ b/drivers/hwmon/ams/ams-i2c.c
@@ -85,17 +85,17 @@ static int ams_i2c_write(u8 reg, u8 value)
85static int ams_i2c_cmd(enum ams_i2c_cmd cmd) 85static int ams_i2c_cmd(enum ams_i2c_cmd cmd)
86{ 86{
87 s32 result; 87 s32 result;
88 int remaining = HZ / 20; 88 int count = 3;
89 89
90 ams_i2c_write(AMS_COMMAND, cmd); 90 ams_i2c_write(AMS_COMMAND, cmd);
91 mdelay(5); 91 msleep(5);
92 92
93 while (remaining) { 93 while (count--) {
94 result = ams_i2c_read(AMS_COMMAND); 94 result = ams_i2c_read(AMS_COMMAND);
95 if (result == 0 || result & 0x80) 95 if (result == 0 || result & 0x80)
96 return 0; 96 return 0;
97 97
98 remaining = schedule_timeout(remaining); 98 schedule_timeout_uninterruptible(HZ / 20);
99 } 99 }
100 100
101 return -1; 101 return -1;