freq_usb 19 drivers/usb/renesas_usbhs/rza.c u32 freq_usb = 0, freq_extal = 0; freq_usb 24 drivers/usb/renesas_usbhs/rza.c of_property_read_u32(usb_x1_clk, "clock-frequency", &freq_usb); freq_usb 26 drivers/usb/renesas_usbhs/rza.c if (freq_usb == 0) {