On Wed, 28 Mar 2007, Girish wrote:
> But now kernel is unable to detect the insertion and removal event of
> the USB device. Driver detects the device only for the first time and
> there is no activity even if the device is removed and re inserted. When
> I tested the registers in the USB Host sys entry; there is no change in
> the status b4 and after reinserting the device.
>
> Here is the registers out put of usb host
>
> cat /sys/class/usb_host/usb_host1#
> ohci_hcd version 2006 August 04
> OHCI 1.0, NO legacy support registers
> control 0x4c3 RWE HCFS=suspend CBSR=3
> cmdstatus 0x00000 SOC=0
> intrstatus 0x00000024 FNO SF
> intrenable 0x8000005a MIE RHSC UE RD WDH
> ed_controlhead a6516000
> hcca frame 0xd911
> fmintvl 0x27782edf FSMPS=0x2778 FI=0x2edf
> fmremaining 0x000029a0 FR=0x29a0
> periodicstart 0x2a2f
> lsthresh 0x0628
> hub poll timer ON
> roothub.a 04001202 POTPGT=4 NOCP NPS NDP=2(2)
> roothub.b 00000000 PPCM=0000 DR=0000
> roothub.status 00008000 DRWE
> roothub.portstatus [0] 0x00000101 PPS CCS
> roothub.portstatus [1] 0x00000100 PPS
Please post the contents of this file:
After first inserting the flash device;
After unplugging the device;
After plugging the device back in.
If the second and third copies are identical then you don't need to
include both of them.
Alan Stern
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