On 03/28/2013 10:28 AM, Alexander Shishkin wrote: > Svetoslav Neykov <svetos...@neykov.name> writes: > >> Convert between big-endian and little-endian format when accessing >> the usb controller structures which are little-endian by >> specification. Fix cases where the little-endian memory layout is >> taken for granted. The patch doesn't have any effect on the already >> supported little-endian architectures.
Has anyone tested how the cpu_to_le32 and vice versa effects the load/store operations? Does the compiler generate full 32 bit accesses on mips (and big endian arm) or is a byte-shift-or pattern used? Marc -- Pengutronix e.K. | Marc Kleine-Budde | Industrial Linux Solutions | Phone: +49-231-2826-924 | Vertretung West/Dortmund | Fax: +49-5121-206917-5555 | Amtsgericht Hildesheim, HRA 2686 | http://www.pengutronix.de |
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