Acked-by: markgross <markgross@xxxxxxxxxxx>
On Fri, Jan 06, 2012 at 02:36:21AM +0200, Antti P Miettinen wrote:
> From: Alex Frid <afrid@xxxxxxxxxx>
>
> - 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@xxxxxxxxxx>
> Reviewed-by: Antti Miettinen <amiettinen@xxxxxxxxxx>
> Reviewed-by: Diwakar Tundlam <dtundlam@xxxxxxxxxx>
> Reviewed-by: Scott Williams <scwilliams@xxxxxxxxxx>
> Reviewed-by: Yu-Huan Hsu <yhsu@xxxxxxxxxx>
> ---
> include/linux/pm_qos.h | 14 +++++++++-----
> kernel/power/qos.c | 23 ++++++++++-------------
> 2 files changed, 19 insertions(+), 18 deletions(-)
>
> diff --git a/include/linux/pm_qos.h b/include/linux/pm_qos.h
> index e5bbcba..5ac91d8 100644
> --- a/include/linux/pm_qos.h
> +++ b/include/linux/pm_qos.h
> @@ -9,12 +9,16 @@
> #include <linux/miscdevice.h>
> #include <linux/device.h>
>
> -#define PM_QOS_RESERVED 0
> -#define PM_QOS_CPU_DMA_LATENCY 1
> -#define PM_QOS_NETWORK_LATENCY 2
> -#define PM_QOS_NETWORK_THROUGHPUT 3
> +enum {
> + PM_QOS_RESERVED = 0,
> + PM_QOS_CPU_DMA_LATENCY,
> + PM_QOS_NETWORK_LATENCY,
> + PM_QOS_NETWORK_THROUGHPUT,
> +
> + /* insert new class ID */
> + PM_QOS_NUM_CLASSES,
> +};
>
> -#define PM_QOS_NUM_CLASSES 4
> #define PM_QOS_DEFAULT_VALUE -1
>
> #define PM_QOS_CPU_DMA_LAT_DEFAULT_VALUE (2000 * USEC_PER_SEC)
> diff --git a/kernel/power/qos.c b/kernel/power/qos.c
> index 995e3bd..d6d6dbd 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;
> }
> --
> 1.7.4.1
>
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> https://lists.linuxfoundation.org/mailman/listinfo/linux-pm
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