Hi Russel, On Fri, Jul 4, 2014 at 1:01 AM, Russell King - ARM Linux <linux@xxxxxxxxxxxxxxxx> wrote: > On Thu, Jul 03, 2014 at 10:49:23PM +0200, Marek Belisko wrote: >> From: NeilBrown <neilb@xxxxxxx> >> >> If a 'gpio_reset' is specified, then hold it low while >> turning the power regulator on. >> This is needed for some wi2wi wireless modules, particularly >> when the regulator is held active by some other client. >> The wi2wi needs to be reset if power isn't actually removed, and >> the gpio can be used to do this. >> >> Signed-off-by: NeilBrown <neilb@xxxxxxx> > > Obvious statement knowing what's been going on elsewhere... > > A while back, Olof produced a couple of patches to add /generic/ support > to deal with power and reset controls for SDIO WIFI cards. Patches > were posted to linux-arm-kernel and other places around January time > this year. > > No real conclusion came out of it, and it kind of died. The point here > is that this is not an OMAP problem. We have this very same problem > on different platforms and different SoCs. Thanks for pointing me to Olof's patches. I pick first + update secod for omap_hcmmc. I use only card-reset-gios property and it works fine. As you stated it's kind of died discussion? Sorry for noise and not using more googling on linux-arm ML. > > Why should we have N different solutions to the same problem. Why can't > we have one solution to fix this issue, rather than having every host > driver implement some different solution to what's a common problem. > > If everyone is going to run away from generic problems and continue > inventing their own private solutions to generic problems, the kernel > is just going to become severely bloated and unmaintainable... > > Please, sort out generic problems with generic solutions. > > -- > FTTC broadband for 0.8mile line: now at 9.7Mbps down 460kbps up... slowly > improving, and getting towards what was expected from it. BR, marek -- as simple and primitive as possible ------------------------------------------------- Marek Belisko - OPEN-NANDRA Freelance Developer Ruska Nova Ves 219 | Presov, 08005 Slovak Republic Tel: +421 915 052 184 skype: marekwhite twitter: #opennandra web: http://open-nandra.com -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
