Hi Shimoda-san, On Thu, Apr 21, 2016 at 2:57 PM, Geert Uytterhoeven <geert@xxxxxxxxxxxxxx> wrote: > On Thu, Apr 21, 2016 at 12:27 PM, Yoshihiro Shimoda > <yoshihiro.shimoda.uh@xxxxxxxxxxx> wrote: >>> > [ 1.565605] xhci-hcd ee000000.usb: xHCI Host Controller >>> > [ 1.570636] xhci-hcd ee000000.usb: new USB bus registered, assigned bus number 5 >>> > [ 22.270160] xhci-hcd ee000000.usb: can't setup: -110 >>> > [ 22.274931] xhci-hcd ee000000.usb: USB bus 5 deregistered >>> > [ 22.280158] xhci-hcd: probe of ee000000.usb failed with error -110 >>> > >>> > The timestamp is strange to me. But, logs of R-Car H3 (ES1.0) and >>> > R-Car H2 were the same. >>> >>> yeah, seems like your system timer is counting twice for each tick. >> >> Yes, I will investigate this later. > > The main clock crystal on Salvator-X is half of the expected value. But > despite the correct value being in the DTS, there's some timer code that > doesn't take this into account. It's fixed by upgrading to bootloader v270: -Architected cp15 timer(s) running at 16.66MHz (virt). +Architected cp15 timer(s) running at 8.33MHz (virt). Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx 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