Re: [regression] Force hard reset of Renesas uPD72020x USB controller

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

 



On 18/09/17 09:49, Albert Weichselbraun wrote:
> Hi Marc,
> 
> 100% ack
> - Booting with a kernel that does not do a PCI reset yields the
>   following topology:
> 
> <snip cmd="lspci -vt">
> -[0000:00] -
>  +-00.0  Intel Corporation 2nd Generation Core Processor Family DRAM
>          Controller
>  +-02.0  Intel Corporation 2nd Generation Core Processor Family
>          Integrated Graphics Controller
>  +-16.0  Intel Corporation 6 Series/C200 Series Chipset Family MEI
>          Controller #1
>  +-19.0  Intel Corporation 82579LM Gigabit Network Connection
>  +-1a.0  Intel Corporation 6 Series/C200 Series Chipset Family USB
>          Enhanced Host Controller #2
>  +-1b.0  Intel Corporation 6 Series/C200 Series Chipset Family High
>          Definition Audio Controller
>  +-1c.0-[02]--
>  +-1c.1-[03]----00.0  Intel Corporation Centrino Advanced-N 6205
>                       [Taylor Peak]
>  +-1c.3-[05-0c]----00.0  Renesas Technology Corp. uPD720202 USB 3.0
>                          Host Controller
>  +-1c.4-[0d]----00.0  Ricoh Co Ltd MMC/SD Host Controller
>  +-1d.0  Intel Corporation 6 Series/C200 Series Chipset Family USB
>          Enhanced Host Controller #1
>  +-1f.0  Intel Corporation QM67 Express Chipset Family LPC Controller
>  +-1f.2  Intel Corporation 6 Series/C200 Series Chipset Family 6 port
>          SATA AHCI Controller
>  \-1f.3  Intel Corporation 6 Series/C200 Series Chipset Family SMBus
>          Controller
> </snip>
> 
> Unplugging and replugging the card (regardless of the kernel version)
> or booting with a kernel that does the reset leads to the card not
> being correctly recognized and the problems I have observed.

Hmmm. Just to make sure I understand you correctly:

With a non-reset kernel: if you boot *without* the card inserted, but
insert it at a later time, the card is unusable? If that's the case,
that's quite unexpected too...

	M.
-- 
Jazz is not dead. It just smells funny...
--
To unsubscribe from this list: send the line "unsubscribe linux-usb" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html



[Index of Archives]     [Linux Media]     [Linux Input]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]     [Old Linux USB Devel Archive]

  Powered by Linux