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Devices are created for each port of the XUSB pad controller. Each USB 2 and USB 3 port can potentially have an associated VBUS power supply that needs to be removed when the device is removed. Since port devices never bind to a driver, the driver core will not get to perform the cleanup of device-managed resources that usually happens on driver unbind. Now, the driver core will also perform device-managed resource cleanup for driver-less devices when they are released. However, when a device link is created between the regulator and the port device, as part of regulator_get(), the regulator takes a reference to the port device and prevents it from being released unless regulator_put() is called, which will never happen. Avoid this by using the non-device-managed API and manually releasing the regulator reference when the port is unregistered. Signed-off-by: Thierry Reding <treding@nvidia.com> |
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| .. | ||
| Kconfig | ||
| Makefile | ||
| phy-tegra194-p2u.c | ||
| xusb-tegra124.c | ||
| xusb-tegra186.c | ||
| xusb-tegra210.c | ||
| xusb.c | ||
| xusb.h | ||