RE: [PATCH] usb: host: xhci-rcar: Avoid long wait in xhci_reset()

Hi Geert-san, > From: Geert Uytterhoeven > Sent: Monday, April 25, 2016 11:57 PM > > Hi Shimoda-san, > > On Thu, Apr 21, 2016 at 2:57 PM, Geert Uytterhoeven > wrote: > > On Thu, Apr 21, 2016 at 12:27 PM, Yoshihiro Shimoda > > wrote: >

Re: [PATCH] usb: host: xhci-rcar: Avoid long wait in xhci_reset()

Hi Shimoda-san, On Thu, Apr 21, 2016 at 2:57 PM, Geert Uytterhoeven wrote: > On Thu, Apr 21, 2016 at 12:27 PM, Yoshihiro Shimoda > wrote: >>> > [1.565605] xhci-hcd ee00.usb: xHCI Host Controller >>> > [1.570636] xhci-hcd

RE: [PATCH] usb: host: xhci-rcar: Avoid long wait in xhci_reset()

Hi, Yoshihiro Shimoda writes: >> > > And, kernel log is the following: >> > > >> > > [1.565605] xhci-hcd ee00.usb: xHCI Host Controller >> > > [1.570636] xhci-hcd ee00.usb: new USB bus registered, assigned >> > > bus number 5 >> > > [

RE: [PATCH] usb: host: xhci-rcar: Avoid long wait in xhci_reset()

Hi, > From: linux-renesas-soc-ow...@vger.kernel.org > [mailto:linux-renesas-soc-ow...@vger.kernel.org] On Behalf Of Yoshihiro > Shimoda > Sent: Thursday, April 21, 2016 7:28 PM > > Hi Felipe, > > > From: Felipe Balbi > > Sent: Thursday, April 21, 2016 7:19 PM > > > > Yoshihiro Shimoda

Re: [PATCH] usb: host: xhci-rcar: Avoid long wait in xhci_reset()

Hi, Geert Uytterhoeven writes: > On Thu, Apr 21, 2016 at 12:27 PM, Yoshihiro Shimoda > wrote: >>> > [1.565605] xhci-hcd ee00.usb: xHCI Host Controller >>> > [1.570636] xhci-hcd ee00.usb: new USB bus registered, assigned

Re: [PATCH] usb: host: xhci-rcar: Avoid long wait in xhci_reset()

On Thu, Apr 21, 2016 at 12:27 PM, Yoshihiro Shimoda wrote: >> > [1.565605] xhci-hcd ee00.usb: xHCI Host Controller >> > [1.570636] xhci-hcd ee00.usb: new USB bus registered, assigned bus >> > number 5 >> > [ 22.270160] xhci-hcd ee00.usb:

RE: [PATCH] usb: host: xhci-rcar: Avoid long wait in xhci_reset()

Hi Felipe, > From: Felipe Balbi > Sent: Thursday, April 21, 2016 7:19 PM > > Yoshihiro Shimoda writes: > > > Hi Felipe, > > > >> From: Felipe Balbi > >> Sent: Thursday, April 21, 2016 7:05 PM > >> > >> Yoshihiro Shimoda

RE: [PATCH] usb: host: xhci-rcar: Avoid long wait in xhci_reset()

Yoshihiro Shimoda writes: > Hi Felipe, > >> From: Felipe Balbi >> Sent: Thursday, April 21, 2016 7:05 PM >> >> Yoshihiro Shimoda writes: >> >> > If kernel configuration is CONFIG_USB_XHCI_PLATFORM=y and >> >

RE: [PATCH] usb: host: xhci-rcar: Avoid long wait in xhci_reset()

Hi Felipe, > From: Felipe Balbi > Sent: Thursday, April 21, 2016 7:05 PM > > Yoshihiro Shimoda writes: > > > If kernel configuration is CONFIG_USB_XHCI_PLATFORM=y and > > CONFIG_USB_XHCI_RCAR is not set, R-Car Gen2/3 will cause long wait > > in xhci_reset()

Re: [PATCH] usb: host: xhci-rcar: Avoid long wait in xhci_reset()

Yoshihiro Shimoda writes: > If kernel configuration is CONFIG_USB_XHCI_PLATFORM=y and > CONFIG_USB_XHCI_RCAR is not set, R-Car Gen2/3 will cause long wait > in xhci_reset() because such SoCs need specific initialization. where is the delay coming from exactly ?