On Thu, Sep 21, 2017 at 3:04 AM, Florian Fainelli <f.fainelli@xxxxxxxxx> wrote: > Some platforms (e.g: Broadcom STB: BMIPS_GENERIC/ARCH_BRCMSTB) will lose > their register contents when entering their lower power state. In such a > case, the pinctrl-single driver that is used will not be able to restore > the power states without telling the core about it and having > pinctrl_select_state() check for that. > > This patch adds a new optional boolean property that Device Tree can > define in order to obtain exactly that and having the core pinctrl code > take that into account. > > Signed-off-by: Florian Fainelli <f.fainelli@xxxxxxxxx> If we use this per-controller approach rather than the per-state approach I discuss in reply to patch 1/2, we should probably make it a generic property for pin controllers and not just a pinctrl-single business. So patch pinctrl-bindings.txt and put the code somewhere in core. But that is more of a detail, first we need to figure out how to handle this business in general. Yours, Linus Walleij -- 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
