Re: [linux-usb-devel] [PATCH] Allow 4k control URBs in usbfs

2006-01-27 Thread Micah Dowty
I guess I'm misunderstanding the purpose of these arbitrary limits in usbfs. I had assumed that they weren't intended to enforce the USB spec, but just to avoid allowing userspace processes to allocate unreasonable amounts of unpaged memory. --Micah David Brownell wrote: On Friday 27 January 20

Re: [linux-usb-devel] [PATCH] Allow 4k control URBs in usbfs

2006-01-27 Thread David Brownell
On Friday 27 January 2006 2:09 pm, Micah Dowty wrote: > This patch bumps usbfs' arbitrary limit on control URB buffer size > up from one page to two pages. This is necessary to support devices > that require control requests with a full 4096 bytes of data, since > the URB buffer must also include 8

[linux-usb-devel] [PATCH] Allow 4k control URBs in usbfs

2006-01-27 Thread Micah Dowty
This patch bumps usbfs' arbitrary limit on control URB buffer size up from one page to two pages. This is necessary to support devices that require control requests with a full 4096 bytes of data, since the URB buffer must also include 8 bytes for the SETUP packet. Signed-off-by: Micah Dowty <[EM