From: Marek Vasut <marek.vasut-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
To: 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: Mon, 5 Mar 2018 18:37:52 +0100 [thread overview]
Message-ID: <9dd57175-eb50-41df-b780-ccc3c82fabe3@gmail.com> (raw)
In-Reply-To: <410670D7E743164D87FA6160E7907A560113A6F1B4-ouFQeoKRuQ8bQ7k9MBbv4fufCSb+aD3WLzEdoUbNIic@public.gmane.org>
[-- Attachment #1: Type: text/plain, Size: 651 bytes --]
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 ?
--
Best regards,
Marek Vasut
[-- Attachment #2: usb.log --]
[-- Type: text/x-log, Size: 8073 bytes --]
Bus 001 Device 003: ID 0781:5581 SanDisk Corp. Ultra
Device Descriptor:
bLength 18
bDescriptorType 1
bcdUSB 2.10
bDeviceClass 0 (Defined at Interface level)
bDeviceSubClass 0
bDeviceProtocol 0
bMaxPacketSize0 64
idVendor 0x0781 SanDisk Corp.
idProduct 0x5581 Ultra
bcdDevice 1.00
iManufacturer 1 SanDisk
iProduct 2 Ultra
iSerial 3 4C530001110620109113
bNumConfigurations 1
Configuration Descriptor:
bLength 9
bDescriptorType 2
wTotalLength 32
bNumInterfaces 1
bConfigurationValue 1
iConfiguration 0
bmAttributes 0x80
(Bus Powered)
MaxPower 224mA
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 0
bAlternateSetting 0
bNumEndpoints 2
bInterfaceClass 8 Mass Storage
bInterfaceSubClass 6 SCSI
bInterfaceProtocol 80 Bulk-Only
iInterface 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x81 EP 1 IN
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0200 1x 512 bytes
bInterval 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x02 EP 2 OUT
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0200 1x 512 bytes
bInterval 0
Binary Object Store Descriptor:
bLength 5
bDescriptorType 15
wTotalLength 22
bNumDeviceCaps 2
USB 2.0 Extension Device Capability:
bLength 7
bDescriptorType 16
bDevCapabilityType 2
bmAttributes 0x00000002
Link Power Management (LPM) Supported
SuperSpeed USB Device Capability:
bLength 10
bDescriptorType 16
bDevCapabilityType 3
bmAttributes 0x00
wSpeedsSupported 0x000e
Device can operate at Full Speed (12Mbps)
Device can operate at High Speed (480Mbps)
Device can operate at SuperSpeed (5Gbps)
bFunctionalitySupport 1
Lowest fully-functional device speed is Full Speed (12Mbps)
bU1DevExitLat 10 micro seconds
bU2DevExitLat 256 micro seconds
Device Status: 0x0000
(Bus Powered)
Bus 001 Device 002: ID 0424:2514 Standard Microsystems Corp. USB 2.0 Hub
Device Descriptor:
bLength 18
bDescriptorType 1
bcdUSB 2.00
bDeviceClass 9 Hub
bDeviceSubClass 0 Unused
bDeviceProtocol 2 TT per port
bMaxPacketSize0 64
idVendor 0x0424 Standard Microsystems Corp.
idProduct 0x2514 USB 2.0 Hub
bcdDevice b.b3
iManufacturer 0
iProduct 0
iSerial 0
bNumConfigurations 1
Configuration Descriptor:
bLength 9
bDescriptorType 2
wTotalLength 41
bNumInterfaces 1
bConfigurationValue 1
iConfiguration 0
bmAttributes 0xe0
Self Powered
Remote Wakeup
MaxPower 2mA
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 0
bAlternateSetting 0
bNumEndpoints 1
bInterfaceClass 9 Hub
bInterfaceSubClass 0 Unused
bInterfaceProtocol 1 Single TT
iInterface 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x81 EP 1 IN
bmAttributes 3
Transfer Type Interrupt
Synch Type None
Usage Type Data
wMaxPacketSize 0x0001 1x 1 bytes
bInterval 12
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 0
bAlternateSetting 1
bNumEndpoints 1
bInterfaceClass 9 Hub
bInterfaceSubClass 0 Unused
bInterfaceProtocol 2 TT per port
iInterface 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x81 EP 1 IN
bmAttributes 3
Transfer Type Interrupt
Synch Type None
Usage Type Data
wMaxPacketSize 0x0001 1x 1 bytes
bInterval 12
Hub Descriptor:
bLength 9
bDescriptorType 41
nNbrPorts 4
wHubCharacteristic 0x0009
Per-port power switching
Per-port overcurrent protection
TT think time 8 FS bits
bPwrOn2PwrGood 50 * 2 milli seconds
bHubContrCurrent 1 milli Ampere
DeviceRemovable 0x00
PortPwrCtrlMask 0xff
Hub Port Status:
Port 1: 0000.0503 highspeed power enable connect
Port 2: 0000.0100 power
Port 3: 0000.0100 power
Port 4: 0000.0100 power
Device Qualifier (for other device speed):
bLength 10
bDescriptorType 6
bcdUSB 2.00
bDeviceClass 9 Hub
bDeviceSubClass 0 Unused
bDeviceProtocol 0 Full speed (or root) hub
bMaxPacketSize0 64
bNumConfigurations 1
Device Status: 0x0001
Self Powered
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Device Descriptor:
bLength 18
bDescriptorType 1
bcdUSB 2.00
bDeviceClass 9 Hub
bDeviceSubClass 0 Unused
bDeviceProtocol 1 Single TT
bMaxPacketSize0 64
idVendor 0x1d6b Linux Foundation
idProduct 0x0002 2.0 root hub
bcdDevice 4.09
iManufacturer 3 Linux 4.9.78-rt61-yocto-preempt-rt+ dwc2_hsotg
iProduct 2 DWC OTG Controller
iSerial 1 ffb00000.usb
bNumConfigurations 1
Configuration Descriptor:
bLength 9
bDescriptorType 2
wTotalLength 25
bNumInterfaces 1
bConfigurationValue 1
iConfiguration 0
bmAttributes 0xe0
Self Powered
Remote Wakeup
MaxPower 0mA
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 0
bAlternateSetting 0
bNumEndpoints 1
bInterfaceClass 9 Hub
bInterfaceSubClass 0 Unused
bInterfaceProtocol 0 Full speed (or root) hub
iInterface 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x81 EP 1 IN
bmAttributes 3
Transfer Type Interrupt
Synch Type None
Usage Type Data
wMaxPacketSize 0x0004 1x 4 bytes
bInterval 12
Hub Descriptor:
bLength 9
bDescriptorType 41
nNbrPorts 1
wHubCharacteristic 0x0008
Ganged power switching
Per-port overcurrent protection
TT think time 8 FS bits
bPwrOn2PwrGood 1 * 2 milli seconds
bHubContrCurrent 0 milli Ampere
DeviceRemovable 0x00
PortPwrCtrlMask 0xff
Hub Port Status:
Port 1: 0000.0503 highspeed power enable connect
Device Status: 0x0001
Self Powered
[-- Attachment #3: Type: text/plain, Size: 200 bytes --]
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next prev parent reply other threads:[~2018-03-05 17:37 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 [this message]
2018-03-06 6:45 ` Minas Harutyunyan
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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