Am Wed, 18 Sep 2024 12:43:01 +0200 schrieb Krzysztof Kozlowski <krzk@xxxxxxxxxx>: > On 18/09/2024 10:41, Andreas Kemnade wrote: > > Add a driver for the charger in the TWL6030/32. For now it does not > > report much in sysfs but parameters are set up for USB, charging is > > enabled with the specified parameters. It stops charging when full > > and also restarts charging. > > This prevents ending up in a system setup where you run out of > > battery although a charger is plugged in after precharge completed. > > > > Battery voltage behavior was checked via the GPADC. > > > > Few stylistic comments below. > > > Signed-off-by: Andreas Kemnade <andreas@xxxxxxxxxxxx> > > --- > > drivers/power/supply/Kconfig | 10 + > > drivers/power/supply/Makefile | 1 + > > drivers/power/supply/twl6030_charger.c | 566 > > +++++++++++++++++++++++++ 3 files changed, 577 insertions(+) > > create mode 100644 drivers/power/supply/twl6030_charger.c > > > > diff --git a/drivers/power/supply/Kconfig > > b/drivers/power/supply/Kconfig index bcfa63fb9f1e2..9f2eef6787f7a > > 100644 --- a/drivers/power/supply/Kconfig > > +++ b/drivers/power/supply/Kconfig > > @@ -493,6 +493,16 @@ config CHARGER_TWL4030 > > help > > Say Y here to enable support for TWL4030 Battery Charge > > Interface. > > +config CHARGER_TWL6030 > > + tristate "OMAP TWL6030 BCI charger driver" > > + depends on IIO && TWL4030_CORE > > || COMPILE_TEST, at least for TWL part > (but please test first) > ERROR: modpost: "twl_i2c_write" [drivers/power/supply/twl6030_charger.ko] undefined! ERROR: modpost: "twl_i2c_read" [drivers/power/supply/twl6030_charger.ko] undefined! > > > + { } > > +}; > > +MODULE_DEVICE_TABLE(of, twl_charger_of_match); > > + > > +static struct platform_driver twl6030_charger_driver = { > > + .probe = twl6030_charger_probe, > > + .driver = { > > + .name = "twl6030_charger", > > + .of_match_table = > > of_match_ptr(twl_charger_of_match), > > I propose to drop of_match_ptr and maybe_unused, so this won't be > restricted only to OF > so that more things get compile-tested without OF? But I see no reason why .probe would be optimized away (and with it a lot more things) by the compiler. Regards, Andreas