On Mon, 26 Feb 2018, Andrey Smirnov wrote: > Add code that would query and print out bootloader and application > firmware version info. > > Cc: linux-kernel@vger.kernel.org > Cc: cphe...@gmail.com > Cc: Lucas Stach <l.st...@pengutronix.de> > Cc: Lee Jones <lee.jo...@linaro.org> > Cc: Guenter Roeck <li...@roeck-us.net> > Signed-off-by: Andrey Smirnov <andrew.smir...@gmail.com> > --- > > Lee: > > The reason 'part_number_firmware' and 'part_number_firmware' are a > part of struct rave_sp is because there exists another patch on top of > this one that exposes those fields via sysfs. The latter patch is not > currently being upstreamed (might be in the future), so if keeping > this arrangement is too ugly, let me know, and I'll get rid of those > fields in 'rave_sp'.
That's okay. > drivers/mfd/rave-sp.c | 97 > +++++++++++++++++++++++++++++++++++++++++++++++++++ > 1 file changed, 97 insertions(+) > > diff --git a/drivers/mfd/rave-sp.c b/drivers/mfd/rave-sp.c > index c8173de5653a..9e4c83ff2aec 100644 > --- a/drivers/mfd/rave-sp.c > +++ b/drivers/mfd/rave-sp.c > @@ -160,6 +160,8 @@ struct rave_sp_variant { > * @variant: Device variant specific information > * @event_notifier_list: Input event notification chain > * > + * @part_number_firmware: Firmware version > + * @part_number_bootloader: Bootloader version > */ > struct rave_sp { > struct serdev_device *serdev; > @@ -171,8 +173,42 @@ struct rave_sp { > > const struct rave_sp_variant *variant; > struct blocking_notifier_head event_notifier_list; > + > + const char *part_number_firmware; > + const char *part_number_bootloader; > }; > > +struct rave_sp_version { > + u8 hardware; > + __le16 major; > + u8 minor; > + u8 letter[2]; > +} __packed; > + > +struct rave_sp_status { > + struct rave_sp_version bootloader_version; > + struct rave_sp_version firmware_version; > + u16 rdu_eeprom_flag; > + u16 dds_eeprom_flag; > + u8 pic_flag; > + u8 orientation; > + u32 etc; > + s16 temp[2]; > + u8 backlight_current[3]; > + u8 dip_switch; > + u8 host_interrupt; > + u16 voltage_28; > + u8 i2c_device_status; > + u8 power_status; > + u8 general_status; > +#define RAVE_SP_STATUS_GS_FIRMWARE_MODE BIT(1) I'm more concerned with the seemingly unused #define shoved in the middle of a struct definition -- which I am not a fan of. Better to introduce it when you start using it and outside of the struct definition please. The remainder of the patch looks okay. -- Lee Jones Linaro Services Technical Lead Linaro.org │ Open source software for ARM SoCs Follow Linaro: Facebook | Twitter | Blog