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authorAlex Frid <afrid@nvidia.com>2012-01-29 20:39:25 +0100
committerRafael J. Wysocki <rjw@sisk.pl>2012-01-29 20:39:25 +0100
commitd031e1de2c5ba91e67ed83f6adf624543ab2b03d (patch)
tree2d8b2c052c920d1973e6b1e00cbd95502bd9c0e0 /kernel/power/qos.c
parent0496c8ae366724a0a2136cec09a2e277e782c126 (diff)
downloadlinux-d031e1de2c5ba91e67ed83f6adf624543ab2b03d.tar.bz2
PM / QoS: Simplify PM QoS expansion/merge
- Replace class ID #define with enumeration - Loop through PM QoS objects during initialization (rather than initializing them one-by-one) Signed-off-by: Alex Frid <afrid@nvidia.com> Reviewed-by: Antti Miettinen <amiettinen@nvidia.com> Reviewed-by: Diwakar Tundlam <dtundlam@nvidia.com> Reviewed-by: Scott Williams <scwilliams@nvidia.com> Reviewed-by: Yu-Huan Hsu <yhsu@nvidia.com> Acked-by: markgross <markgross@thegnar.org> Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Diffstat (limited to 'kernel/power/qos.c')
-rw-r--r--kernel/power/qos.c23
1 files changed, 10 insertions, 13 deletions
diff --git a/kernel/power/qos.c b/kernel/power/qos.c
index 995e3bd3417b..d6d6dbd1ecc0 100644
--- a/kernel/power/qos.c
+++ b/kernel/power/qos.c
@@ -469,21 +469,18 @@ static ssize_t pm_qos_power_write(struct file *filp, const char __user *buf,
static int __init pm_qos_power_init(void)
{
int ret = 0;
+ int i;
- ret = register_pm_qos_misc(&cpu_dma_pm_qos);
- if (ret < 0) {
- printk(KERN_ERR "pm_qos_param: cpu_dma_latency setup failed\n");
- return ret;
- }
- ret = register_pm_qos_misc(&network_lat_pm_qos);
- if (ret < 0) {
- printk(KERN_ERR "pm_qos_param: network_latency setup failed\n");
- return ret;
+ BUILD_BUG_ON(ARRAY_SIZE(pm_qos_array) != PM_QOS_NUM_CLASSES);
+
+ for (i = 1; i < PM_QOS_NUM_CLASSES; i++) {
+ ret = register_pm_qos_misc(pm_qos_array[i]);
+ if (ret < 0) {
+ printk(KERN_ERR "pm_qos_param: %s setup failed\n",
+ pm_qos_array[i]->name);
+ return ret;
+ }
}
- ret = register_pm_qos_misc(&network_throughput_pm_qos);
- if (ret < 0)
- printk(KERN_ERR
- "pm_qos_param: network_throughput setup failed\n");
return ret;
}