On 9/28/26 8:40 AM, Jonas Karlman wrote:
The commit 84de44e5e71e ("usb: dwc3-generic: fix ref clock lookup indexing wrong clk_bulk array") introduced a clk_enable() call for the ref clock.However, clk_enable() may return -ENOSYS when a clock driver does not implement the .enable ops, i.e., for most Rockchip SoCs where most/all clocks typically are un-gated out of system reset. The new clk_enable() call may cause USB to fail on such platforms, e.g.: => ums mmc 0 UMS: LUN 0, dev mmc 0, hwpart 0, sector 0x0, count 0x3a3e000 dwc3-generic-peripheral usb@fcc00000: failed to enable ref clock: -38 dwc3-generic-peripheral usb@fcc00000: failed to enable ref clock: -38 No USB device found Couldn't init USB controller. Ignore -ENOSYS errors from clk_enable() to restore DWC3 to a working state on affected platforms. Fixes: 84de44e5e71e ("usb: dwc3-generic: fix ref clock lookup indexing wrong clk_bulk array") Signed-off-by: Jonas Karlman <[email protected]>
Reviewed-by: Marek Vasut <[email protected]> Tom, can you please pick this directly into main ? Thank you!
