Hi Steve, On Tue, Nov 17, 2015 at 4:32 PM, Steve deRosier <derosier@xxxxxxxxx> wrote: > This set of two patches adds the ablity for ath6kl_sdio to control the > CHIP_PWD_L pin on startup and for suspend/wakeup. This is importaint because > on some platforms, this is the only way to achieve minimum power consumption. > The CHIP_PWD_L pin is used to hold the ath chip in reset and this is the > proper way to achieve its lowest power state (per QCA's datasheets). > > This GPIO is controled by the kernel standard GPIOLIB and as such depends on > CONFIG_GPIOLIB. If this isn't enabled, then the various usages will generally > compile out. Even if enabled, by default the GPIO is set to an invalid number, > and each use will check: if not a valid GPIO, then behavior will be unchanged. > > This adds a new module parameter to allow the user to set the GPIO to use. I want to say that this should go in DeviceTree or equivalent, however ath6kl doesn't have DeviceTree support, so... Thanks, -- Julian Calaby Email: julian.calaby@xxxxxxxxx Profile: http://www.google.com/profiles/julian.calaby/ -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
