Messages in this thread | | | Subject | Re: [spi-devel-general] Re: [PATCH/RFC] SPI: add DMAUNSAFE analog to David Brownell's core | From | dmitry pervushin <> | Date | Thu, 15 Dec 2005 13:00:17 +0300 |
| |
On Wed, 2005-12-14 at 20:53 +0300, Vitaly Wool wrote: > Greg KH wrote: > > >What is the speed of your SPI bus? > > > >And what are your preformance requirements? > > > > > The maximum frequency for the SPI bus is 26 MHz, WLAN driver is to work > at true 10 Mbit/sec. My two cents: the faster is better; SPI bus itself can work on 52MHz, and AFAIK WLAN developers limit the speed due to their firmware reqiorements. > > Vitaly > > P. S. I'm speaking not about this particular case during most part of > this conversation. Sound cards behind the SPI bus will suffer a lot more > since it's their path to use wXrY functions (lotsa small transfers) > rather than WLAN's. > > > ------------------------------------------------------- > This SF.net email is sponsored by: Splunk Inc. Do you grep through log files > for problems? Stop! Download the new AJAX search engine that makes > searching your log files as easy as surfing the web. DOWNLOAD SPLUNK! > http://ads.osdn.com/?ad_id=7637&alloc_id=16865&op=click > _______________________________________________ > spi-devel-general mailing list > spi-devel-general@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/spi-devel-general > >
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |