diff options
| author | David Pu <dpu@nvidia.com> | 2014-01-27 15:10:43 +0800 |
|---|---|---|
| committer | Martin Chi <mchi@nvidia.com> | 2014-02-01 00:13:44 -0800 |
| commit | ad0b8aec5c661a0637cc1f4427ca3655f9271c3a (patch) | |
| tree | 4855a34c8776e069aa037c430cab0a8651e0ab62 | |
| parent | 8b8d45d48da349159b2006202e13eea1bc652d51 (diff) | |
usb: ehci: Tegra:don't boost cpu from ehci layer
don't boost cpu freq to 816MHz blindly from ehci layer for usb host
instance 1(Bruce Modem).
Bug 1441442
Change-Id: I73d925186976095b62267a806bce30e906202833
Signed-off-by: David Pu <dpu@nvidia.com>
Reviewed-on: http://git-master/r/360253
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Martin Chi <mchi@nvidia.com>
| -rw-r--r-- | drivers/usb/host/ehci-tegra.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/usb/host/ehci-tegra.c b/drivers/usb/host/ehci-tegra.c index c8d60b1448f1..3ca867a636e9 100644 --- a/drivers/usb/host/ehci-tegra.c +++ b/drivers/usb/host/ehci-tegra.c @@ -580,8 +580,11 @@ static int tegra_ehci_probe(struct platform_device *pdev) #ifdef CONFIG_TEGRA_EHCI_BOOST_CPU_FREQ tegra->boost_requested = false; - /* Add boost enable/disable knob */ - tegra->boost_enable = true; + /* Add boost enable/disable knob, disable for modem */ + if (instance == 1) + tegra->boost_enable = false; + else + tegra->boost_enable = true; err = device_create_file(hcd->self.controller, &dev_attr_boost_enable); if (err < 0) goto fail_sysfs; |