u-boot.git/drivers/usb/host/usb-uclass.c, branch v2023.04

dm: usb: Mark the device name as alloced when binding

2023-01-23T23:11:40Z

Since usb_find_and_bind_driver() allocates the device name it should tell driver about that, to avoid memory leaks. Fix this. Signed-off-by: Simon Glass

usb: onboard-hub: add driver to manage onboard hub supplies

2023-01-12T15:19:53Z

The main issue the driver addresses is that a USB hub needs to be powered before it can be discovered. This is often solved by using "regulator-always-on". This driver is inspired by the Linux v6.1 driver. It only enables (or disables) the hub vdd (3v3) supply, so it can be enumerated. Scanning of the device tree is done in a similar manner to the sandbox, by the usb-uclass. DT part looks like: &usbh_ehci { ... #address-cells = <1>; #size-cells = <0>; hub@1 { compatible = "usb424,2514"; reg = <1>; vdd-supply = <&v3v3>; }; }; When the bus gets probed, the driver is automatically probed/removed from the bus tree, as an example on stm32: STM32MP> usb start starting USB... STM32MP> dm tree Class Index Probed Driver Name ----------------------------------------------------------- usb 0 [ + ] ehci_generic | |-- usb@5800d000 usb_hub 0 [ + ] usb_onboard_hub | | `-- hub@1 usb_hub 1 [ + ] usb_hub | | `-- usb_hub STM32MP> usb tree USB device tree: 1 Hub (480 Mb/s, 0mA) | u-boot EHCI Host Controller | +-2 Hub (480 Mb/s, 2mA) Signed-off-by: Fabrice Gasnier Reviewed-by: Patrice Chotard Reviewed-by: Patrick Delaunay

usb: eth: Remove non-DM_ETH code

2022-12-07T21:04:17Z

As DM_ETH is required for all network drivers, it's now safe to remove the non-DM_ETH support code fro usb_ether itself. Signed-off-by: Tom Rini

usb: Expand buffer size in usb_find_and_bind_driver()

2022-11-27T11:04:36Z

The "generic_bus_%x_dev_%x" string which is printed into this buffer can be up to 34 characters long ("generic_bus_12345678_dev_12345678"). The buffer would be clipped by snprintf() if both %x were at maximum range. Make sure the buffer is long enough to cover such possibility. Signed-off-by: Marek Vasut Reviewed-by: Simon Glass

usb: Use the first available device for ehci_gadget

2022-01-25T18:47:07Z

For whatever reason, usb_setup_ehci_gadget removes and probes USB device 0. However, not all systems have a device 0. Use the first device instead. The device probed should probably have something to do with the controller (as specified by e.g. ums or fastboot ). In fact, I find it odd that we probe the USB device in the first place, because this is just to set up the gadget itself. Presumably, the controller should be probed by usb_gadget_initialize somehow. Signed-off-by: Sean Anderson Reviewed-by: Simon Glass

dm: define LOG_CATEGORY for all uclass

2021-07-06T16:38:03Z

Define LOG_CATEGORY for all uclass to allow filtering with log command. Signed-off-by: Patrick Delaunay Reviewed-by: Simon Glass

dm: core: Use dev_has_ofnode() instead of dev_of_valid()

2021-01-05T19:24:41Z

We have two functions which do the same thing. Standardise on dev_has_ofnode() since there is no such thing as an 'invalid' ofnode in normal operation: it is either null or missing. Also move the functions into one place. Signed-off-by: Simon Glass Reviewed-by: Andy Shevchenko

dm: core: Rename dev_has_of_node() to dev_has_ofnode()

2021-01-05T19:24:41Z

We use 'ofnode' rather than 'of_node' in U-Boot. Rename this function to fit. Signed-off-by: Simon Glass

dm: Use access methods for dev/uclass private data

2021-01-05T19:24:40Z

Most drivers use these access methods but a few do not. Update them. In some cases the access is not permitted, so mark those with a FIXME tag for the maintainer to check. Signed-off-by: Simon Glass Acked-by: Andy Shevchenko Acked-by: Pratyush Yadav

dm: Drop the unused arg in uclass_find_device_by_seq()

2020-12-19T03:32:21Z

Now that there is only one sequence number (rather than both requested and assigned ones) we can simplify this function. Also update its caller to simplify the logic. Signed-off-by: Simon Glass