On Mon, May 22, 2023 at 12:50:42PM +0200, Niklas Schnelle wrote: > In a future patch HAS_IOPORT=n will result in inb()/outb() and friends > not being declared. We thus need to guard sections of code calling them > as alternative access methods with CONFIG_HAS_IOPORT checks. For > uhci-hcd there are a lot of I/O port uses that do have MMIO alternatives > all selected by uhci_has_pci_registers() so this can be handled by > UHCI_IN/OUT macros and making uhci_has_pci_registers() constant 0 if > CONFIG_HAS_IOPORT is unset. > > Co-developed-by: Arnd Bergmann <arnd@xxxxxxxxxx> > Signed-off-by: Arnd Bergmann <arnd@xxxxxxxxxx> > Signed-off-by: Niklas Schnelle <schnelle@xxxxxxxxxxxxx> > --- Reviewed-by: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx>
