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[POWERPC] therm_pm72: Suppress some compile warnings 

We don't really care if any of these calls to device_create_file fails,
so just issue warnings in that case.

drivers/macintosh/therm_pm72.c: In function 'init_cpu_state':
drivers/macintosh/therm_pm72.c:1185: warning: ignoring return value of 'device_create_file', declared with attribute warn_unused_result
drivers/macintosh/therm_pm72.c:1186: warning: ignoring return value of 'device_create_file', declared with attribute warn_unused_result
drivers/macintosh/therm_pm72.c:1187: warning: ignoring return value of 'device_create_file', declared with attribute warn_unused_result
drivers/macintosh/therm_pm72.c:1188: warning: ignoring return value of 'device_create_file', declared with attribute warn_unused_result
drivers/macintosh/therm_pm72.c:1189: warning: ignoring return value of 'device_create_file', declared with attribute warn_unused_result
drivers/macintosh/therm_pm72.c:1191: warning: ignoring return value of 'device_create_file', declared with attribute warn_unused_result
drivers/macintosh/therm_pm72.c:1192: warning: ignoring return value of 'device_create_file', declared with attribute warn_unused_result
drivers/macintosh/therm_pm72.c:1193: warning: ignoring return value of 'device_create_file', declared with attribute warn_unused_result
drivers/macintosh/therm_pm72.c:1194: warning: ignoring return value of 'device_create_file', declared with attribute warn_unused_result
drivers/macintosh/therm_pm72.c:1195: warning: ignoring return value of 'device_create_file', declared with attribute warn_unused_result
drivers/macintosh/therm_pm72.c: In function 'init_backside_state':
drivers/macintosh/therm_pm72.c:1383: warning: ignoring return value of 'device_create_file', declared with attribute warn_unused_result
drivers/macintosh/therm_pm72.c:1384: warning: ignoring return value of 'device_create_file', declared with attribute warn_unused_result
drivers/macintosh/therm_pm72.c: In function 'init_drives_state':
drivers/macintosh/therm_pm72.c:1503: warning: ignoring return value of 'device_create_file', declared with attribute warn_unused_result
drivers/macintosh/therm_pm72.c:1504: warning: ignoring return value of 'device_create_file', declared with attribute warn_unused_result
drivers/macintosh/therm_pm72.c: In function 'init_dimms_state':
drivers/macintosh/therm_pm72.c:1625: warning: ignoring return value of 'device_create_file', declared with attribute warn_unused_result
drivers/macintosh/therm_pm72.c: In function 'init_slots_state':
drivers/macintosh/therm_pm72.c:1743: warning: ignoring return value of 'device_create_file', declared with attribute warn_unused_result
drivers/macintosh/therm_pm72.c:1744: warning: ignoring return value of 'device_create_file', declared with attribute warn_unused_result

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Stephen Rothwell 2008-01-02 16:25:32 +11:00 committed by Paul Mackerras
parent 9eb81bdf12
commit 97759e494e
1 changed files with 38 additions and 17 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

55
drivers/macintosh/therm_pm72.c
View File

@ -1157,6 +1157,8 @@ static void do_monitor_cpu_rack(struct cpu_pid_state *state)
*/
static int init_cpu_state(struct cpu_pid_state *state, int index)
{
int err;
state->index = index;
state->first = 1;
state->rpm = (cpu_pid_type == CPU_PID_TYPE_RACKMAC) ? 4000 : 1000;
@ -1182,18 +1184,21 @@ static int init_cpu_state(struct cpu_pid_state *state, int index)
DBG("CPU %d Using %d power history entries\n", index, state->count_power);
if (index == 0) {
device_create_file(&of_dev->dev, &dev_attr_cpu0_temperature);
device_create_file(&of_dev->dev, &dev_attr_cpu0_voltage);
device_create_file(&of_dev->dev, &dev_attr_cpu0_current);
device_create_file(&of_dev->dev, &dev_attr_cpu0_exhaust_fan_rpm);
device_create_file(&of_dev->dev, &dev_attr_cpu0_intake_fan_rpm);
err = device_create_file(&of_dev->dev, &dev_attr_cpu0_temperature);
err |= device_create_file(&of_dev->dev, &dev_attr_cpu0_voltage);
err |= device_create_file(&of_dev->dev, &dev_attr_cpu0_current);
err |= device_create_file(&of_dev->dev, &dev_attr_cpu0_exhaust_fan_rpm);
err |= device_create_file(&of_dev->dev, &dev_attr_cpu0_intake_fan_rpm);
} else {
device_create_file(&of_dev->dev, &dev_attr_cpu1_temperature);
device_create_file(&of_dev->dev, &dev_attr_cpu1_voltage);
device_create_file(&of_dev->dev, &dev_attr_cpu1_current);
device_create_file(&of_dev->dev, &dev_attr_cpu1_exhaust_fan_rpm);
device_create_file(&of_dev->dev, &dev_attr_cpu1_intake_fan_rpm);
err = device_create_file(&of_dev->dev, &dev_attr_cpu1_temperature);
err |= device_create_file(&of_dev->dev, &dev_attr_cpu1_voltage);
err |= device_create_file(&of_dev->dev, &dev_attr_cpu1_current);
err |= device_create_file(&of_dev->dev, &dev_attr_cpu1_exhaust_fan_rpm);
err |= device_create_file(&of_dev->dev, &dev_attr_cpu1_intake_fan_rpm);
}
if (err)
printk(KERN_WARNING "Failed to create some of the atribute"
"files for CPU %d\n", index);
return 0;
fail:
@ -1329,6 +1334,7 @@ static int init_backside_state(struct backside_pid_state *state)
{
struct device_node *u3;
int u3h = 1; /* conservative by default */
int err;
/*
* There are different PID params for machines with U3 and machines
@ -1380,8 +1386,11 @@ static int init_backside_state(struct backside_pid_state *state)
if (state->monitor == NULL)
return -ENODEV;
device_create_file(&of_dev->dev, &dev_attr_backside_temperature);
device_create_file(&of_dev->dev, &dev_attr_backside_fan_pwm);
err = device_create_file(&of_dev->dev, &dev_attr_backside_temperature);
err |= device_create_file(&of_dev->dev, &dev_attr_backside_fan_pwm);
if (err)
printk(KERN_WARNING "Failed to create attribute file(s)"
" for backside fan\n");
return 0;
}
@ -1492,6 +1501,8 @@ static void do_monitor_drives(struct drives_pid_state *state)
*/
static int init_drives_state(struct drives_pid_state *state)
{
int err;
state->ticks = 1;
state->first = 1;
state->rpm = 1000;
@ -1500,8 +1511,11 @@ static int init_drives_state(struct drives_pid_state *state)
if (state->monitor == NULL)
return -ENODEV;
device_create_file(&of_dev->dev, &dev_attr_drives_temperature);
device_create_file(&of_dev->dev, &dev_attr_drives_fan_rpm);
err = device_create_file(&of_dev->dev, &dev_attr_drives_temperature);
err |= device_create_file(&of_dev->dev, &dev_attr_drives_fan_rpm);
if (err)
printk(KERN_WARNING "Failed to create attribute file(s)"
" for drives bay fan\n");
return 0;
}
@ -1622,7 +1636,9 @@ static int init_dimms_state(struct dimm_pid_state *state)
if (state->monitor == NULL)
return -ENODEV;
device_create_file(&of_dev->dev, &dev_attr_dimms_temperature);
if (device_create_file(&of_dev->dev, &dev_attr_dimms_temperature))
printk(KERN_WARNING "Failed to create attribute file"
" for DIMM temperature\n");
return 0;
}
@ -1732,6 +1748,8 @@ static void do_monitor_slots(struct slots_pid_state *state)
*/
static int init_slots_state(struct slots_pid_state *state)
{
int err;
state->ticks = 1;
state->first = 1;
state->pwm = 50;
@ -1740,8 +1758,11 @@ static int init_slots_state(struct slots_pid_state *state)
if (state->monitor == NULL)
return -ENODEV;
device_create_file(&of_dev->dev, &dev_attr_slots_temperature);
device_create_file(&of_dev->dev, &dev_attr_slots_fan_pwm);
err = device_create_file(&of_dev->dev, &dev_attr_slots_temperature);
err |= device_create_file(&of_dev->dev, &dev_attr_slots_fan_pwm);
if (err)
printk(KERN_WARNING "Failed to create attribute file(s)"
" for slots bay fan\n");
return 0;
}