On Thu, May 18, 2017 at 09:58:00AM +0200, Patrice Chotard wrote: > From: Patrice Chotard <patrice.chot...@st.com> > > This deassert counter allow to manage "shared" reset lines > encountered in some specific case. On STiH410 SoC, DWC3, > EHCI and OHCI are all using a respective PHY, but all of > these PHYs shared a "global" reset. > > Currently, during command "usb stop", all host controller are > stopped (XHCI, EHCI and OHCI). XHCI is first shutdowned, which > means that PHY global reset is asserted. Then EHCI is shutdowned, > but its PHY reset has already been asserted which make handshake() > call failed in ehci_shutdown(). > > This counter allows to really assert a reset lines only when the > "last" user is asserting it. > > Signed-off-by: Patrice Chotard <patrice.chot...@st.com> > Reviewed-by: Simon Glass <s...@chromium.org>
Applied to u-boot/master, thanks! -- Tom
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