tech-kern archive

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Old Index]

Re: USB 3.0 xhci questions



On 08/14/14 07:20, Ryo ONODERA wrote:
Hi,

From: Takahiro HAYASHI <t.hash425%gmail.com@localhost>, Date: Tue, 12 Aug 2014 
02:14:43 +0900

For comparison here is dmesg from my testbed:

xhci0 at pci5 dev 0 function 0: vendor 0x1033 product 0x0194
(rev. 0x04)
xhci0: interrupting at ioapic0 pin 21
xhci_init
xhci0: ac64 1 ctxsz 32
xhci0: xECP 500
xhci0: ECR 500: 00000401
xhci0: ECR 510: 03000402
xhci0: SP: 03000402 20425355 00000201
xhci0: ECR 520: 02000002
xhci0: SP: 02000002 20425355 00000203
xhci0: PAGESIZE 0x00000001
xhci0: sc_pgsz 0x00001000
xhci0: sc_maxslots 0x00000020
xhci0: sc_maxspbuf 0
xhci0: eventst: NORMAL_COMPLETION 0000000002f15fc0 0xffff800013028fc0
1000
xhci0: dcbaa: NORMAL_COMPLETION 0000000002f17000 0xffff800013029000
1000
xhci0: USBCMD 00000005
usb5 at xhci0: USB revision 2.0
usb5: WARNING: power management not supported

and i got:

xhci0: xhci_intr1 USBSTS 00000018
xhci0: xhci_intr1 USBSTS 00000000
xhci0: xhci_intr1 IMAN0 00000003
xhci0: xhci_intr1 IMAN0 00000002
xhci0: xhci_intr1 USBSTS 00000000
xhci0: port 1 status change

On my machine, xhci_handle_event() is not invoked
when USB memory stick is plugged.
How about on your machine?

It is called in my case.

xhci_intr: xhci0
xhci0: xhci_intr1 USBSTS 00000018
xhci0: xhci_intr1 USBSTS 00000000
xhci0: xhci_intr1 IMAN0 00000003
xhci0: xhci_intr1 IMAN0 00000002
xhci0: xhci_intr1 USBSTS 00000000
xhci_softintr: xhci0
xhci_handle_event: xhci0
xhci0: port 1 status change
xhci_softintr: xhci0 ends


--
t-hash


Home | Main Index | Thread Index | Old Index