On Fri, Oct 22, 2010 at 02:30, Grant Likely wrote: > On Fri, Oct 22, 2010 at 02:01:47AM -0400, Mike Frysinger wrote: >> From: Michael Hennerich <michael.henner...@analog.com> >> >> The gpiolib code does not allow people to do gpio_request() on a GPIO >> once it has already been requested. So make sure we only request the >> pin on the first setup of a SPI device. Otherwise, if you attempts to >> reconfigure a SPI device on the fly (like change bit sizes), the setup >> function incorrectly fails. > > Doesn't that mean that the gpio pin be requested at device probe time > instead of in a function that can be repeatedly called?
not sure what you mean. this is a pin specific to a spi slave device. there is no "spi probe" function for spi slave devices, only the "spi setup" function. if there's something specific you're referring to, you'll have to elaborate ... -mike ------------------------------------------------------------------------------ Nokia and AT&T present the 2010 Calling All Innovators-North America contest Create new apps & games for the Nokia N8 for consumers in U.S. and Canada $10 million total in prizes - $4M cash, 500 devices, nearly $6M in marketing Develop with Nokia Qt SDK, Web Runtime, or Java and Publish to Ovi Store http://p.sf.net/sfu/nokia-dev2dev _______________________________________________ spi-devel-general mailing list spi-devel-general@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/spi-devel-general
