Hi Florian, On Mon, Oct 30, 2017 at 5:09 PM, Florian Fainelli <f.faine...@gmail.com> wrote: > On 10/30/2017 06:56 AM, Geert Uytterhoeven wrote: >> On Thu, Oct 26, 2017 at 1:21 AM, Florian Fainelli <f.faine...@gmail.com> >> wrote: >>> Marc reported that he was not getting the PHY library adjust_link() >>> callback function to run when calling phy_stop() + phy_disconnect() >>> which does not indeed happen because we set the state machine to >>> PHY_HALTED but we don't get to run it to process this state past that >>> point. >>> >>> Fix this with a synchronous call to phy_state_machine() in order to have >>> the state machine actually act on PHY_HALTED, set the PHY device's link >>> down, turn the network device's carrier off and finally call the >>> adjust_link() function. >>> >>> At the end of phy_state_machine() though, if we are going to be moving >>> from PHY_HALTED to PHY_HALTED, do not reschedule the state machine, this >>> is pointless. >>> >>> Reported-by: Marc Gonzalez <marc_gonza...@sigmadesigns.com> >>> Fixes: a390d1f379cf ("phylib: convert state_queue work to delayed_work") >>> Signed-off-by: Marc Gonzalez <marc_gonza...@sigmadesigns.com> >>> Signed-off-by: Florian Fainelli <f.faine...@gmail.com> >> >> Thanks for your patch! >> >> Unfortunately, after applying this one, the last in your series, both >> sh73a0/kzm9g and r8a73a4/ape6evm start crashing again in the system >> suspend/resume path, due to register accesses while the device is already >> suspended: > > OK, seems like there is another path, uncovered by this patch that we > can be hitting, does the following patch below help?
Unfortunately it doesn't help. >> Unhandled fault: imprecise external abort (0x1406) at 0x0005b950 Note that this is an imprecise external abort, i.e. it's reporting may be delayed, and the backtrace may be inaccurate. Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- ge...@linux-m68k.org In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds