Hi Linus, On Thu, Jul 16, 2015 at 5:43 PM, Linus Walleij <[email protected]> wrote: > On Thu, Jun 25, 2015 at 4:45 PM, Geert Uytterhoeven > <[email protected]> wrote: > >> Currently gpio modules are runtime-resumed at probe time. This means the >> gpio module will be active all the time (except during system suspend, >> if not configured as a wake-up source). >> >> While an R-Car Gen2 gpio module retains pins configured for output at >> the requested level while put in standby mode, gpio registercannot be >> accessed while suspended. Unfortunately pm_runtime_get_sync() cannot be >> called from all contexts where gpio register access is needed. Hence >> move the Runtime PM handling from probe/remove time to gpio request/free >> time, which is probably the best we can do. >> >> On r8a7791/koelsch, gpio modules 0, 1, 3, and 4 are now suspended during >> normal use (gpio2 is used for LEDs and regulators, gpio5 for keys, gpio6 >> for SD-Card CD & WP, gpio7 for keys and regulators). >> >> Signed-off-by: Geert Uytterhoeven <[email protected]> > > Patch applied unless Magnus complains.
No complaints, just happy Magnus! Thanks, / magnus -- To unsubscribe from this list: send the line "unsubscribe linux-gpio" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
