diff options
| author | Antti P Miettinen <amiettinen@nvidia.com> | 2013-09-30 13:14:58 +0300 |
|---|---|---|
| committer | Gabby Lee <galee@nvidia.com> | 2014-01-13 04:04:33 -0800 |
| commit | 2142be584b57e7c19e7157e069da664537672aa9 (patch) | |
| tree | f45a6122a08ff8092d0e008fbdb89f1783e1e7c8 /drivers | |
| parent | c7cce37ffaef011349493a9f579b83aaa8bf2a88 (diff) | |
usb: gadget: tegra: Add callback to boost_enable
Cancel PM QoS request upon enabled to disabled
transition.
Change-Id: Iaf28d2d0daca312996e2cb1a1280769d814fd066
Signed-off-by: Antti P Miettinen <amiettinen@nvidia.com>
Reviewed-on: http://git-master/r/280232
(cherry picked from commit 9a25a04c42ed0feeb1aff1dcf696b54e122a8c65)
Reviewed-on: http://git-master/r/353766
GVS: Gerrit_Virtual_Submit
Reviewed-by: Gabby Lee <galee@nvidia.com>
Tested-by: Gabby Lee <galee@nvidia.com>
Diffstat (limited to 'drivers')
| -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 c9799fdf3922..7050da114251 100644 --- a/drivers/usb/gadget/tegra_udc.c +++ b/drivers/usb/gadget/tegra_udc.c @@ -107,7 +107,24 @@ 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 char *const tegra_udc_extcon_cable[] = { |