usb_hcd_msp_remove() has a pdev argument which isn't used and the function is used only within this file. Remove pdev and make usb_hcd_msp_remove() static. Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx> --- V2: Split out from comments patch --- drivers/usb/host/ehci-pmcmsp.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) --- a/drivers/usb/host/ehci-pmcmsp.c +++ b/drivers/usb/host/ehci-pmcmsp.c @@ -236,7 +236,7 @@ int usb_hcd_msp_probe(const struct hc_dr * may be called without controller electrically present * may be called with controller, bus, and devices active */ -void usb_hcd_msp_remove(struct usb_hcd *hcd, struct platform_device *dev) +static void usb_hcd_msp_remove(struct usb_hcd *hcd) { usb_remove_hcd(hcd); iounmap(hcd->regs); @@ -309,7 +309,7 @@ static int ehci_hcd_msp_drv_remove(struc { struct usb_hcd *hcd = platform_get_drvdata(pdev); - usb_hcd_msp_remove(hcd, pdev); + usb_hcd_msp_remove(hcd); /* free TWI GPIO USB_HOST_DEV pin */ gpio_free(MSP_PIN_USB0_HOST_DEV);