Re: lan78xx: About 8000 usb interrupts per second when idle

2019-04-15 Thread Alan Stern
On Mon, 15 Apr 2019, Doug Anderson wrote: > Hi, > > On Sun, Apr 14, 2019 at 12:46 PM Lukas Wunner wrote: > > > > On Tue, Apr 09, 2019 at 09:28:16AM +, Minas Harutyunyan wrote: > > > Am 09.04.19 um 08:54 schrieb Jisheng Zhang: > > > > The second one: 8000 usb interrupts per second when idle.

Re: lan78xx: About 8000 usb interrupts per second when idle

2019-04-15 Thread Doug Anderson
Hi, On Sun, Apr 14, 2019 at 12:46 PM Lukas Wunner wrote: > > On Tue, Apr 09, 2019 at 09:28:16AM +, Minas Harutyunyan wrote: > > Am 09.04.19 um 08:54 schrieb Jisheng Zhang: > > > The second one: 8000 usb interrupts per second when idle. > > > This is abnormal. any idea? Is it due to the lan78x

RE: lan78xx: About 8000 usb interrupts per second when idle

2019-04-14 Thread Woojung.Huh
Hi Lukas & Minas, > On Tue, Apr 09, 2019 at 09:28:16AM +, Minas Harutyunyan wrote: > > Am 09.04.19 um 08:54 schrieb Jisheng Zhang: > > > The second one: 8000 usb interrupts per second when idle. > > > This is abnormal. any idea? Is it due to the lan78xx? > > > > dwc2 in host mode enable SOF in

Re: lan78xx: About 8000 usb interrupts per second when idle

2019-04-14 Thread Paul Zimmerman
Lukas Wunner wrote: > On Tue, Apr 09, 2019 at 09:28:16AM +, Minas Harutyunyan wrote: >> Am 09.04.19 um 08:54 schrieb Jisheng Zhang: >>> The second one: 8000 usb interrupts per second when idle. >>> This is abnormal. any idea? Is it due to the lan78xx? >> >> dwc2 in host mode enable SOF interrup

Re: lan78xx: About 8000 usb interrupts per second when idle

2019-04-14 Thread Lukas Wunner
On Tue, Apr 09, 2019 at 09:28:16AM +, Minas Harutyunyan wrote: > Am 09.04.19 um 08:54 schrieb Jisheng Zhang: > > The second one: 8000 usb interrupts per second when idle. > > This is abnormal. any idea? Is it due to the lan78xx? > > dwc2 in host mode enable SOF interrupts if any periodic EP ar

Re: lan78xx: About 8000 usb interrupts per second when idle

2019-04-10 Thread Oliver Neukum
On Mi, 2019-04-10 at 09:37 +, Jisheng Zhang wrote: > On Tue, 9 Apr 2019 09:28:16 + Minas Harutyunyan wrote: Hi, > > dwc2 in host mode enable SOF interrupts if any periodic EP are in use. > > So, 8000 interrupts per second is expectant behavior. > > Makes sense. 8 microframes each 1ms, so

Re: lan78xx: About 8000 usb interrupts per second when idle

2019-04-10 Thread Jisheng Zhang
On Tue, 9 Apr 2019 09:28:16 + Minas Harutyunyan wrote: > > Hi Stefan, > > > Hi Minas, > > > > Am 09.04.19 um 08:54 schrieb Jisheng Zhang: > >> On Mon, 8 Apr 2019 16:05:51 +0800 Jisheng Zhang wrote: > >> > >>> Hi Stefan, > >>> > >>> On Mon, 8 Apr 2019 09:57:14 +0200 Stefan Wahren wrote:

RE: lan78xx: About 8000 usb interrupts per second when idle

2019-04-09 Thread Minas Harutyunyan
Hi Stefan, > Hi Minas, > > Am 09.04.19 um 08:54 schrieb Jisheng Zhang: >> On Mon, 8 Apr 2019 16:05:51 +0800 Jisheng Zhang wrote: >> >>> Hi Stefan, >>> >>> On Mon, 8 Apr 2019 09:57:14 +0200 Stefan Wahren wrote: >>> Hi Jisheng, thanks for sending this patch. I alread