RE: [PATCH] Change wMaxPacketSize default value for Full Speed EP0

2014-06-26 Thread Stalley, Sean
> -Original Message- > From: Greg KH [mailto:g...@kroah.com] > Sent: Wednesday, June 25, 2014 8:50 PM > To: Stalley, Sean > Cc: Alan Stern; linux-usb@vger.kernel.org; Ismail, Abdul R > Subject: Re: [PATCH] Change wMaxPacketSize default value for Full Speed EP0 > &

RE: [PATCH] Change wMaxPacketSize default value for Full Speed EP0

2014-06-26 Thread Alan Stern
t: Re: [PATCH] Change wMaxPacketSize default value for Full Speed EP0 > > > > On Wed, 25 Jun 2014, Sean O. Stalley wrote: > > > > > From: "Sean O. Stalley" > > > > > > Change the default wMaxPacketSize value for EP0 of Full Speed devices > >

Re: [PATCH] Change wMaxPacketSize default value for Full Speed EP0

2014-06-25 Thread Ismail, Abdul R
Greg, You are right, we need to do our work first before sending in patches. Sean, Let's synch up when I am back in the office and we can determine next steps. Thanks! Rahman USB-IF CTO and Compliance Chair > On Jun 25, 2014, at 10:50 PM, "Greg KH" wrote: > > On Wed, Jun 25, 2014 at 09:11:25P

Re: [PATCH] Change wMaxPacketSize default value for Full Speed EP0

2014-06-25 Thread Greg KH
On Wed, Jun 25, 2014 at 09:11:25PM +, Stalley, Sean wrote: > > > Changing the default max packet > > > size to 8 helps clarify that. > > > > No. Did you test this patch with full-speed devices having various > > maxpacket > > sizes? > > > > I was waiting for feedback on the patch before I

RE: [PATCH] Change wMaxPacketSize default value for Full Speed EP0

2014-06-25 Thread Stalley, Sean
> -Original Message- > From: Alan Stern [mailto:st...@rowland.harvard.edu] > Sent: Wednesday, June 25, 2014 11:46 AM > To: Stalley, Sean > Cc: linux-usb@vger.kernel.org; Ismail, Abdul R > Subject: Re: [PATCH] Change wMaxPacketSize default value for Full Speed EP0 >

Re: [PATCH] Change wMaxPacketSize default value for Full Speed EP0

2014-06-25 Thread Alan Stern
On Wed, 25 Jun 2014, Sean O. Stalley wrote: > From: "Sean O. Stalley" > > Change the default wMaxPacketSize value for EP0 of Full Speed > devices from the maximum possible size (64) to the minimum (8). > All full speed devices support a packet size of 8, but not all > support a size of 64. You

[PATCH] Change wMaxPacketSize default value for Full Speed EP0

2014-06-25 Thread Sean O. Stalley
From: "Sean O. Stalley" Change the default wMaxPacketSize value for EP0 of Full Speed devices from the maximum possible size (64) to the minimum (8). All full speed devices support a packet size of 8, but not all support a size of 64. No packet longer than 8 bytes is ever read from EP0 before th