Re: [PATCH] USB: Add frame_no big endian OHCI quirk.
"Dale Farnsworth" <[email protected]>
| Newsgroups | gmane.linux.usb.devel |
|---|---|
| Message-ID | <[email protected]> |
On Mon, Oct 08, 2007 at 04:54:36PM +0000, Valentine Barshak wrote: > Add OHCI big endian frame_no quirk. > The frame_no value stored in the HCCA is a 16 bit field > at a specific offset, but since not all CPUs can do 16-bit > memory accesses it's used as a 32 bit field. > And that's why big-endian OHCI will shift 16 bits, > unless the spec is not followed. Currently there's one MPC52xx > platform that doesn't need the shift. This case is hanled > using big endian frame_no quirk. > > Signed-off-by: Valentine Barshak <[email protected]> This patch looks good for arch/powerpc. Note, however, that it breaks arch/ppc for mpc5200 platforms. I don't know if anyone cares. -Dale ------------------------------------------------------------------------- This SF.net email is sponsored by: Splunk Inc. Still grepping through log files to find problems? Stop. Now Search log events and configuration files using AJAX and a browser. Download your FREE copy of Splunk now >> http://get.splunk.com/ _______________________________________________ [email protected] To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel