From mboxrd@z Thu Jan 1 00:00:00 1970 From: Felipe Balbi Date: Tue, 14 Oct 2014 14:30:07 +0000 Subject: Re: [PATCH] usb: host: xhci-plat: fix suspend/resume on xhci-rcar Message-Id: <20141014143007.GA18747@saruman> MIME-Version: 1 Content-Type: multipart/mixed; boundary="T4sUOijqQbZv57TR" List-Id: References: <1412829947-736-1-git-send-email-yoshihiro.shimoda.uh@renesas.com> In-Reply-To: <1412829947-736-1-git-send-email-yoshihiro.shimoda.uh@renesas.com> To: linux-sh@vger.kernel.org --T4sUOijqQbZv57TR Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri, Oct 10, 2014 at 09:29:18AM +0900, Yoshihiro Shimoda wrote: > Hi, >=20 > (2014/10/09 23:14), Felipe Balbi wrote: > > On Thu, Oct 09, 2014 at 01:45:47PM +0900, Yoshihiro Shimoda wrote: > >> This patch fixes an issue that suspend/resume cannot work correctly > >> on xhci-rcar because the xhci driver output the following log: > >> > >> xhci-hcd ee000000.usb: WARN: xHC CMD_RUN timeout > >> > >> So, this patch adds to set the XHCI_SLOW_SUSPEND quirk if xhci-rcar. > >=20 > > do you have erratum number confirming this is needed for your platform ? >=20 > At the moment, I don't have such number... I just tested it on my platfor= m. > And, the handshake in xhci_suspend needs about 80 ms... > Anyway, I will ask platform team about this behavior. alright, let's wait for your update here, then. --=20 balbi --T4sUOijqQbZv57TR Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAEBAgAGBQJUPTNvAAoJEIaOsuA1yqREmyQP/RB1phg987Kk78K3K/NW9Ihx JPqnUXULrqXRAfHgFmaMuGQKUmks54d8zXdf4WUuEvyQ+0tNNrvhyxUsvPlG3L0s 4EowYC40YiNDZ+sDbMwjEN9HuaEMh4X96vBYqfreXSereWyyndCkiWxcQW6h3pk+ 5KdeOOUOCgjzmzGDRXOW9CqFjvuvVeDQgb9N0lc+1zdEJufiELYEVJZeK/sSUo89 Ya23oXB4TSxIxKyB3DGBg+wB9CTyWug2cl1BEhlhnypTJKnPB4d9KgKWprT8oMIj IXJR6Be6y2kKe/Jg3OCb57VG7tvVWfwas4XpcKJjsLeCP9HT5RBZ+dQvN3FdIPHB yONfVphET3jgEpOpMVqNAsjIMG5uAN8RXilPgbN2RFcuOoB1SuXHL9vwvv4GcMXp qGslQqKfPRk7H9Ic1g6eWaMXFaTtdELR4R5BxhLU87Y+oy6VGwzJwT7TPDWi48vw xD989GpCdpBphOe9sx2ceW+c3QeXA8q1oh+0X+SOsDZNKbcFx1hs8AFkQ1MXTEd2 xMPpPxiuLVeoGzAh/Ar23C6+0XW7v2zWjH79E2vTkbs8szMlN+at5/7wyBmzJoV6 I/fPCqgOY5nzoFGnFS9xCo96ZlXtCmq4MTCg11n7BzAb34xbf1IlZgQOrBUgb1rD jUV5OkUhBtRWASrq3T3j =ofct -----END PGP SIGNATURE----- --T4sUOijqQbZv57TR--