diff options
| author | Antti P Miettinen <amiettinen@nvidia.com> | 2013-09-30 13:14:58 +0300 |
|---|---|---|
| committer | Riham Haidar <rhaidar@nvidia.com> | 2014-03-06 12:32:18 -0800 |
| commit | c70ca35ead96722aab3a35e3b0d2bb0374f0c328 (patch) | |
| tree | e8b534585129facc35b2c169fec8a981162b119f /drivers/usb | |
| parent | a2ea3c99283afec4c1187353ab99f980db9a2fb5 (diff) | |
usb: gadget: tegra: Add callback to boost_enable
Cancel PM QoS request upon enabled to disabled
transition.
Bug 1455140
Change-Id: Iaf28d2d0daca312996e2cb1a1280769d814fd066
Reviewed-on: http://git-master/r/280232
(cherry picked from commit 9a25a04c42ed0feeb1aff1dcf696b54e122a8c65)
Signed-off-by: Louis Li <louli@nvidia.com>
Reviewed-on: http://git-master/r/377857
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Yunfan Zhang <yunfanz@nvidia.com>
Tested-by: Yunfan Zhang <yunfanz@nvidia.com>
Reviewed-by: Juha Tukkinen <jtukkinen@nvidia.com>
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/gadget/tegra_udc.c | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/drivers/usb/gadget/tegra_udc.c b/drivers/usb/gadget/tegra_udc.c index 52ec0d9c7e77..2cf2177e2403 100644 --- a/drivers/usb/gadget/tegra_udc.c +++ b/drivers/usb/gadget/tegra_udc.c @@ -106,7 +106,24 @@ static u32 ep_queue_request_count; static u8 boost_cpufreq_work_flag, set_cpufreq_normal_flag; static struct timer_list boost_timer; static bool boost_enable = true; -module_param(boost_enable, bool, 0644); +static int boost_enable_set(const char *arg, const struct kernel_param *kp) +{ + bool old_boost = boost_enable; + int ret = param_set_bool(arg, kp); + if (ret == 0 && old_boost && !boost_enable) + pm_qos_update_request(&boost_cpu_freq_req, + PM_QOS_DEFAULT_VALUE); + return ret; +} +static int boost_enable_get(char *buffer, const struct kernel_param *kp) +{ + return param_get_bool(buffer, kp); +} +static struct kernel_param_ops boost_enable_ops = { + .set = boost_enable_set, + .get = boost_enable_get, +}; +module_param_cb(boost_enable, &boost_enable_ops, &boost_enable, 0644); #endif static inline void udc_writel(struct tegra_udc *udc, u32 val, u32 offset) |