On Thu, 15 Mar 2007, Lei Sun wrote:
> Thanks Alan:
> FYI, the last log message i sent you is with CONFIG_USB_DEBUG turned on !
> I used "ehci_dbg" macro (or whatever else), but the messages were not
> showing up even with CONFIG_USB_DEBUG set. So I had to use "printk" instead.
> Any explaina
--- Original Message -
From: "Alan Stern" <[EMAIL PROTECTED]>
To: "Lei Sun" <[EMAIL PROTECTED]>
Cc:
Sent: Thursday, March 15, 2007 11:07 AM
Subject: Re: [Linux-usb-users] problem with EHCI controller
> On Wed, 14 Mar 2007, Lei Sun wrote:
>
>> H
On Wed, 14 Mar 2007, Lei Sun wrote:
> Here is the log with more debug messages.
But you didn't have CONFIG_USB_DEBUG turned on! Well, never mind.
> in ehci_hub_status_data() , both ports status are 0x1000, and VBUS power is
> still off.
On the contrary, 0x1000 means that VBUS power is on. Or
riginal Message -
From: "Alan Stern" <[EMAIL PROTECTED]>
To: "Lei Sun" <[EMAIL PROTECTED]>
Cc:
Sent: Wednesday, March 14, 2007 5:17 PM
Subject: Re: [Linux-usb-users] problem with EHCI controller
> On Wed, 14 Mar 2007, Lei Sun wrote:
>
>> Here is
On Wed, 14 Mar 2007, Lei Sun wrote:
> Here is the usb relaed dmesg, it's a bit long ,
> Maybe i need to look into the schematics, see why the VBUS power is lost
> after driver initailzed, the power is on before booting up linux.
Your log shows port status = 0x1803, which means that VBUS power wa
tered.
- Original Message -
From: "Alan Stern" <[EMAIL PROTECTED]>
To: "Lei Sun" <[EMAIL PROTECTED]>
Cc:
Sent: Wednesday, March 14, 2007 4:49 PM
Subject: Re: [Linux-usb-users] problem with EHCI controller
> On Wed, 14 Mar 2007, Lei Sun wrote:
>
>
On Wed, 14 Mar 2007, Lei Sun wrote:
> > On Wed, 14 Mar 2007, Lei Sun wrote:
> >
> >> Thanks for your reply! Appreciate it !
> >>
> >> the debugging code in ehci_hub_status_data() shows that the port status
> >> always return "0x1000" with or without flah devices plugged in.
> >
> > That disagrees
> On Wed, 14 Mar 2007, Lei Sun wrote:
>
>> Thanks for your reply! Appreciate it !
>>
>> the debugging code in ehci_hub_status_data() shows that the port status
>> always return "0x1000" with or without flah devices plugged in.
>
> That disagrees with what you said earlier:
>
3. Read port sta
On Wed, 14 Mar 2007, Lei Sun wrote:
> Thanks for your reply! Appreciate it !
>
> the debugging code in ehci_hub_status_data() shows that the port status
> always return "0x1000" with or without flah devices plugged in.
That disagrees with what you said earlier:
>>> 3. Read port status register
;Alan Stern" <[EMAIL PROTECTED]>
To: "Lei Sun" <[EMAIL PROTECTED]>
Cc:
Sent: Wednesday, March 14, 2007 1:57 PM
Subject: Re: [Linux-usb-users] problem with EHCI controller
> On Wed, 14 Mar 2007, Lei Sun wrote:
>
>> Hi :
>> I have a customized xscale
On Wed, 14 Mar 2007, Lei Sun wrote:
> Hi :
> I have a customized xscale based board, with philips ISP1562 PCI USB
> controller, I am using linux-2.6.17.8 without "CONFIG_PM" option.
> When booting up with a flash drive plugged, the kernel seems to be able
> detect and configure the host cont
Hi :
I have a customized xscale based board, with philips ISP1562 PCI USB
controller, I am using linux-2.6.17.8 without "CONFIG_PM" option.
When booting up with a flash drive plugged, the kernel seems to be able
detect and configure the host controller correctly, but it's not be able to
dete
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