Nishanth Menon <nm@xxxxxx> writes: > On 13:58-20221104, jerome Neanne wrote: >> > [...] > >> >> > >> > Can you try an compile with W=1 please. >> This raise one warning on mfd: >> drivers/mfd/tps65219.c:28:12: warning: ‘tps65219_soft_shutdown’ defined but >> not used [-Wunused-function] >> 28 | static int tps65219_soft_shutdown(struct tps65219 *tps) >> | ^~~~~~~~~~~~~~~~~~~~~~ >> soft_shutdown has been validated and is used in TI baseline even if not >> hooked in upstream version further to this review: >> https://lore.kernel.org/lkml/20220825150224.826258-5-msp@xxxxxxxxxxxx/ >> >> It was a TI requirement to implement it... >> Let me know if you want me to remove this function or if we can keep it like >> this. > > There are platforms without psci, correct? I think the comment was to > drop the force override with system-power-controller property, > > if (!pm_power_off) { > tps65219_i2c_client = client; > pm_power_off = &tps65219_pm_power_off; > } > > Could still be valid for such platforms, no? I do see that the > capability that the PMIC has - which is software shutdown is a valid > feature that we support in many different PMIC drivers. Is'nt the job of > the driver to introduce the functionality in a manner that is > appropriate to the OS framework? Yeah, I think Nishanth is right here. We should probably keep the `if (!pm_power_off)` part so the PMIC will be used if PSCI is not, but it also allows an easy way to test/use the PMIC shutdown functionality downstream if needed. Kevin