diff options
| author | William Wu <william.wu@rock-chips.com> | 2018-12-06 19:40:16 +0800 |
|---|---|---|
| committer | Tao Huang <huangtao@rock-chips.com> | 2018-12-10 20:09:34 +0800 |
| commit | 747277acfeaa7bfed49031ee803efb19578dd932 (patch) | |
| tree | d179c2dcc9e87f7ed4be6270772be739e4711d65 /drivers/usb | |
| parent | cf15e865dd6606b800c9916bdca2b8220780a84c (diff) | |
usb: host: ehci-platform: Add basic runtime PM support
Like the runtime PM support patch of ohci-platform, we
add the same basic runtime PM for ehci-platform.
Change-Id: I84cbb15dd393e6af69b4cf6887f1628e2cba4999
Signed-off-by: William Wu <william.wu@rock-chips.com>
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/host/ehci-platform.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/usb/host/ehci-platform.c b/drivers/usb/host/ehci-platform.c index 8617096facdf..2f0fb5cd4201 100644 --- a/drivers/usb/host/ehci-platform.c +++ b/drivers/usb/host/ehci-platform.c @@ -30,6 +30,7 @@ #include <linux/of.h> #include <linux/phy/phy.h> #include <linux/platform_device.h> +#include <linux/pm_runtime.h> #include <linux/reset.h> #include <linux/usb.h> #include <linux/usb/hcd.h> @@ -308,6 +309,9 @@ static int ehci_platform_probe(struct platform_device *dev) } #endif + pm_runtime_set_active(&dev->dev); + pm_runtime_enable(&dev->dev); + pm_runtime_get_sync(&dev->dev); if (pdata->power_on) { err = pdata->power_on(dev); if (err < 0) @@ -341,6 +345,8 @@ err_power: if (pdata->power_off) pdata->power_off(dev); err_reset: + pm_runtime_put_sync(&dev->dev); + pm_runtime_disable(&dev->dev); if (priv->rst) reset_control_assert(priv->rst); err_put_clks: @@ -375,6 +381,9 @@ static int ehci_platform_remove(struct platform_device *dev) usb_put_hcd(hcd); + pm_runtime_put_sync(&dev->dev); + pm_runtime_disable(&dev->dev); + if (pdata == &ehci_platform_defaults) dev->dev.platform_data = NULL; |