Hi Krzysztof / Felipe, On 20 July 2017 at 01:50, Krzysztof Kozlowski <krzk@xxxxxxxxxx> wrote: > On Wed, Jul 19, 2017 at 09:13:29PM +0300, Felipe Balbi wrote: >> >> Hi, >> >> Anand Moon <linux.amoon@xxxxxxxxx> writes: >> > Hi Krzysztof, >> > >> > Today I tried to compile the latest kernel for Odroid xu4. >> > using exynos_defconfig I build and loaded the kernel. >> > but to my surprise usb 3.0 device and missing. >> > >> > odroid login: root >> > Password: >> > Last login: Wed Jul 19 14:01:44 UTC 2017 on ttySAC2 >> > Welcome to Ubuntu 16.04.2 LTS (GNU/Linux 4.13.0-rc1-xu4ml-27846-g74cbd96 armv7l) >> >> Dude, you have 27 thousand patches on top of v4.13-rc1??? Try vanilla >> v4.13-rc1 and try a git bisect. > > Hi Anand, > > Beside Felipe's comment, I do not have XU4. I cannot reproduce it on > XU3-Lite (but there is difference in USB2 and USB3, AFAIR). > > $ uname -a > Linux odroidxu3 4.13.0-rc1-00071-ge06fdaf40a5c #1051 SMP PREEMPT Wed Jul 19 22:07:41 CEST 2017 armv7l GNU/Linux > $ lsusb > Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub > Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub > Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub > Bus 001 Device 003: ID 0424:ec00 Standard Microsystems Corp. SMSC9512/9514 Fast Ethernet Adapter > Bus 001 Device 002: ID 0424:9514 Standard Microsystems Corp. SMC9514 Hub > Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub > > Try to follow Felipe's advice of using vanilla kernel from Linus and > bisecting it. > > Best regards, > Krzysztof > I feel this is long standing issue with phy-exynos5-usbdrd.c with following patch missing. [0] https://patchwork.kernel.org/patch/5204471/ with some more updated to phy-exynos5-usbdrd.c I was able to bring the phy up in cold boot. but when I perform warm boot the issue persist. root@odroidxu4q:~# uname -a Linux odroidxu4q 4.13.0-rc2-xu4next-14488-g25f6a53-dirty #7 SMP PREEMPT Tue Jul 25 20:04:02 UTC 2017 armv7l armv7l armv7l GNU/Linux root@odroidxu4q:~# lsusb -t /: Bus 06.Port 1: Dev 1, Class=root_hub, Driver=xhci-hcd/1p, 5000M |__ Port 1: Dev 2, If 0, Class=Vendor Specific Class, Driver=r8152, 5000M /: Bus 05.Port 1: Dev 1, Class=root_hub, Driver=xhci-hcd/1p, 480M /: Bus 04.Port 1: Dev 1, Class=root_hub, Driver=xhci-hcd/1p, 5000M |__ Port 1: Dev 2, If 0, Class=Hub, Driver=hub/2p, 5000M |__ Port 1: Dev 3, If 0, Class=Mass Storage, Driver=usb-storage, 5000M |__ Port 2: Dev 4, If 1, Class=Video, Driver=uvcvideo, 5000M |__ Port 2: Dev 4, If 0, Class=Video, Driver=uvcvideo, 5000M /: Bus 03.Port 1: Dev 1, Class=root_hub, Driver=xhci-hcd/1p, 480M |__ Port 1: Dev 2, If 0, Class=Hub, Driver=hub/2p, 480M /: Bus 02.Port 1: Dev 1, Class=root_hub, Driver=exynos-ohci/3p, 12M /: Bus 01.Port 1: Dev 1, Class=root_hub, Driver=exynos-ehci/3p, 480M root@odroidxu4q:~# Best Regards -Anand -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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