On Fri, Oct 21, 2022 at 2:13 PM Jiri Kosina <jikos@xxxxxxxxxx> wrote: > > On Fri, 21 Oct 2022, Benjamin Tissoires wrote: > > > > To avoid recursive dependencies on GPIOLIB when 'imply IIO' is requested > > > with other drivers we should switch GPIOLIB to an imply. > > > > > > This isn't the most ideal solution but avoids modifiying the Kconfig for > > > other drivers, and only requires a singular IS_REACHABLE(CONFIG_GPIOLIB) > > > check. > > > > > > Signed-off-by: Matt Ranostay <matt.ranostay@xxxxxxxxxxxx> > > > --- > > > drivers/hid/Kconfig | 2 +- > > > drivers/hid/hid-mcp2221.c | 2 ++ > > > 2 files changed, 3 insertions(+), 1 deletion(-) > > > > > > diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig > > > index 185a077d59cd..745fc38794ad 100644 > > > --- a/drivers/hid/Kconfig > > > +++ b/drivers/hid/Kconfig > > > @@ -1252,7 +1252,7 @@ config HID_ALPS > > > config HID_MCP2221 > > > tristate "Microchip MCP2221 HID USB-to-I2C/SMbus host support" > > > depends on USB_HID && I2C > > > - depends on GPIOLIB > > > + imply GPIOLIB > > > help > > > Provides I2C and SMBUS host adapter functionality over USB-HID > > > through MCP2221 device. > > > diff --git a/drivers/hid/hid-mcp2221.c b/drivers/hid/hid-mcp2221.c > > > index 4d10a24e3e13..fb54f1c6fd9c 100644 > > > --- a/drivers/hid/hid-mcp2221.c > > > +++ b/drivers/hid/hid-mcp2221.c > > > @@ -915,9 +915,11 @@ static int mcp2221_probe(struct hid_device *hdev, > > > mcp->gc->can_sleep = 1; > > > mcp->gc->parent = &hdev->dev; > > > > > > +#if IS_REACHABLE(CONFIG_GPIOLIB) > > > ret = devm_gpiochip_add_data(&hdev->dev, mcp->gc, mcp); > > > if (ret) > > > return ret; > > > +#endif > > > > Hi Matt, > > > > This patch actually breaks my CI because devm_gpiochip_add_data() is > > not the only one function that should be protected against > > CONFIG_GPIOLIB. > > > > I am getting: > > --- > > ERROR: modpost: "gpiochip_get_data" [drivers/hid/hid-mcp2221.ko] undefined! > > --- > > > > Can you also protect gpiochip_get_data() and make sure that the driver > > is not completely buggy after? I assume a simple #if around all of the > > calls will be worse than the current non compiling situation. > > Benjamin, > > this should be fixed in hid.git via 3d74c9eca1a2bda. If you still see > issues with that applied, please speak up :) > Oh, I wasn't Cc-ed on that series, and my bot still hasn't updated my CI branch. Thanks for the fix Matt :) Cheers, Benjamin