Hi Walleij, Thanks for the review. On Fri, Feb 24, 2023 at 11:48:08AM +0100, Linus Walleij wrote: > Hi Ye, > > thanks for your patch! > > I think your colleague Andy Shevchenko will provide the most detailed > and deep feedback, but here are some things I spotted immediately: > > On Sun, Feb 19, 2023 at 7:31 PM Ye Xiang <xiang.ye@xxxxxxxxx> wrote: > > > This patch implements the GPIO function of Intel USB-I2C/GPIO/SPI adapter > > device named "La Jolla Cove Adapter" (LJCA). It communicate with LJCA > > GPIO module with specific protocol through interfaces exported by LJCA USB > > driver. > > > > Signed-off-by: Ye Xiang <xiang.ye@xxxxxxxxx> > (...) > > > +config GPIO_LJCA > > + tristate "INTEL La Jolla Cove Adapter GPIO support" > > + depends on MFD_LJCA > > I would add > > default MFD_LJCA > > so if you activate the MFD you get this subdriver by default > as module or built-in depending on what the MFD is built > as. > > (Same goes for the other subdrivers I guess) Agree, I will add "default MFD_LJCA" on all the LJCA subdrivers. > > In addition you need: > > select GPIOLIB_IRQCHIP > > since you use this facility. > > > +static struct irq_chip ljca_gpio_irqchip = { > > static const ... Yes, I will add "select GPIOLIB_IRQCHIP" and use "static const" here. > > > + .name = "ljca-irq", > > + .irq_mask = ljca_irq_mask, > > + .irq_unmask = ljca_irq_unmask, > > + .irq_set_type = ljca_irq_set_type, > > + .irq_bus_lock = ljca_irq_bus_lock, > > + .irq_bus_sync_unlock = ljca_irq_bus_unlock, > > + .flags = IRQCHIP_IMMUTABLE, > > + GPIOCHIP_IRQ_RESOURCE_HELPERS, > > +}; > > Yours, > Linus Walleij Thanks Ye Xiang