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From: Minas Harutyunyan <Minas.Harutyunyan-HKixBCOQz3hWk0Htik3J/w@public.gmane.org>
To: Marek Vasut <marek.vasut-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
	Minas Harutyunyan
	<Minas.Harutyunyan-HKixBCOQz3hWk0Htik3J/w@public.gmane.org>,
	Mirza Krak <mirza.krak-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Cc: gregkh <gregkh-hQyY1W1yCW8ekmWlsbkhG0B+6BGkLq7r@public.gmane.org>,
	"linux-rockchip-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org"
	<linux-rockchip-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org>,
	linux-usb <linux-usb-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	"John.Youn-HKixBCOQz3hWk0Htik3J/w@public.gmane.org"
	<John.Youn-HKixBCOQz3hWk0Htik3J/w@public.gmane.org>
Subject: Re: High CPU load produced by USB (DW2)
Date: Tue, 6 Mar 2018 06:45:45 +0000	[thread overview]
Message-ID: <410670D7E743164D87FA6160E7907A560113AB3E5E@am04wembxa.internal.synopsys.com> (raw)
In-Reply-To: 9dd57175-eb50-41df-b780-ccc3c82fabe3@gmail.com

Hi,

On 3/5/2018 11:14 PM, Marek Vasut wrote:
> On 02/20/2018 06:51 AM, Minas Harutyunyan wrote:
> [...]
>>>>> Is there a way to reduce that or is that the absolute minimum in HS mode?
>>>>>
>>>> We already discussed, in this email thread earlier, why SOF interrupts
>>>> required and unmasked.
>>>> Only in case when connected device with CTRL+BLK EP's only (like flash
>>>> drive) and directly connected to cores root HUB, SOF's will be masked.
>>>
>>> That's the setup I have on Altera SoCFPGA, yet the SOFs are still present.
>>>
>> Could you please send verbose lsusb on connected to dwc2 device
> 
> See attached
> 
>> and driver debug log.
> 
> What exactly do you mean by this one ?
Enable debugging messages and verbose debugging messages for dwc2 from 
make menuconfig. Provide dmesg starting from dwc2 load till HS device 
connected to dwc2 port and enumerated.

Thanks,
Minas

> 

  reply	other threads:[~2018-03-06  6:45 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-02-07  9:48 High CPU load produced by USB (DW2) Mirza Krak
     [not found] ` <CALw8SCXuOCpndakFBRbP7FpJKOSH+nzNStkszWD4XTXVSK1zyQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2018-02-07 14:27   ` gregkh
2018-02-08  8:50     ` Minas Harutyunyan
2018-02-08 11:02 ` Minas Harutyunyan
     [not found]   ` <410670D7E743164D87FA6160E7907A560113A67F86-ouFQeoKRuQ8bQ7k9MBbv4fufCSb+aD3WLzEdoUbNIic@public.gmane.org>
2018-02-08 13:06     ` Mirza Krak
2018-02-08 13:53       ` Minas Harutyunyan
     [not found]         ` <410670D7E743164D87FA6160E7907A560113A68287-ouFQeoKRuQ8bQ7k9MBbv4fufCSb+aD3WLzEdoUbNIic@public.gmane.org>
2018-02-14  8:57           ` Mirza Krak
2018-02-14 12:07             ` Minas Harutyunyan
     [not found]               ` <410670D7E743164D87FA6160E7907A560113A6B365-ouFQeoKRuQ8bQ7k9MBbv4fufCSb+aD3WLzEdoUbNIic@public.gmane.org>
2018-02-15 13:20                 ` Mirza Krak
2018-02-16  5:59                   ` Minas Harutyunyan
     [not found]                     ` <410670D7E743164D87FA6160E7907A560113A6C4CA-ouFQeoKRuQ8bQ7k9MBbv4fufCSb+aD3WLzEdoUbNIic@public.gmane.org>
2018-02-16 20:07                       ` Marek Vasut
2018-02-19  8:19                         ` Minas Harutyunyan
     [not found]                           ` <410670D7E743164D87FA6160E7907A560113A6E9E6-ouFQeoKRuQ8bQ7k9MBbv4fufCSb+aD3WLzEdoUbNIic@public.gmane.org>
2018-02-19  8:51                             ` Marek Vasut
2018-02-19 10:11                               ` Minas Harutyunyan
     [not found]                                 ` <410670D7E743164D87FA6160E7907A560113A6EB2B-ouFQeoKRuQ8bQ7k9MBbv4fufCSb+aD3WLzEdoUbNIic@public.gmane.org>
2018-02-19 17:02                                   ` Marek Vasut
2018-02-20  5:51                                     ` Minas Harutyunyan
     [not found]                                       ` <410670D7E743164D87FA6160E7907A560113A6F1B4-ouFQeoKRuQ8bQ7k9MBbv4fufCSb+aD3WLzEdoUbNIic@public.gmane.org>
2018-03-05 17:37                                         ` Marek Vasut
2018-03-06  6:45                                           ` Minas Harutyunyan [this message]
2018-03-06  8:09                                             ` Minas Harutyunyan
     [not found]                                               ` <410670D7E743164D87FA6160E7907A560113AB3F3D-ouFQeoKRuQ8bQ7k9MBbv4fufCSb+aD3WLzEdoUbNIic@public.gmane.org>
2018-03-07 22:42                                                 ` Marek Vasut

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