On Mon, Jul 01, 2019 at 11:09:02PM +0200, Andrew Lunn wrote: > On Mon, Jul 01, 2019 at 10:37:16PM +0200, Heiner Kallweit wrote: > > On 01.07.2019 22:02, Andrew Lunn wrote: > > > On Mon, Jul 01, 2019 at 12:52:24PM -0700, Matthias Kaehlcke wrote: > > >> The RTL8211E has extension pages, which can be accessed after > > >> selecting a page through a custom method. Add a function to > > >> modify bits in a register of an extension page and a few > > >> helpers for dealing with ext pages. > > >> > > >> rtl8211e_modify_ext_paged() and rtl821e_restore_page() are > > >> inspired by their counterparts phy_modify_paged() and > > >> phy_restore_page(). > > > > > > Hi Matthias > > > > > > While an extended page is selected, what happens to the normal > > > registers in the range 0-0x1c? Are they still accessible? > > > > > AFAIK: no > > This it would be better to make use of the core paged access support, > so that locking is done correctly. Do I understand correctly that this would involve assigning .read/write_page and use phy_select_page() and phy_restore_page()? Besides the benefit of locking this would also result in less code and we could get rid of the custom _restore_page().