On 14 November 2016 14:39:54 GMT+00:00, Peter Rosin <peda@xxxxxxxxxx> wrote: >On 2016-11-14 15:34, Linus Walleij wrote: >> We get the following build error from UM Linux after adding >> an entry to drivers/iio/gyro/Kconfig that issues "select I2C_MUX": >> >> ERROR: "devm_ioremap_resource" >> [drivers/i2c/muxes/i2c-mux-reg.ko] undefined! >> ERROR: "of_address_to_resource" >> [drivers/i2c/muxes/i2c-mux-reg.ko] undefined! >> >> It appears that the I2C mux core code depends on HAS_IOMEM >> for historical reasons, while CONFIG_I2C_MUX_REG does *not* >> have a direct dependency on HAS_IOMEM. >> >> This creates a situation where a allyesconfig or allmodconfig >> for UM Linux will select I2C_MUX, and will implicitly enable >> I2C_MUX_REG as well, and the compilation will fail for the >> register driver. >> >> Fix this up by making I2C_MUX_REG depend on HAS_IOMEM and >> removing the dependency from I2C_MUX. >> >> Cc: stable@xxxxxxxxxxxxxxx >> Reported-by: kbuild test robot <fengguang.wu@xxxxxxxxx> >> Reported-by: Jonathan Cameron <jic23@xxxxxxxxxxxxxxxxxxxxx> >> Cc: Jonathan Cameron <jic23@xxxxxxxxxxxxxxxxxxxxx> >> Cc: Peter Rosin <peda@xxxxxxxxxx> >> Signed-off-by: Linus Walleij <linus.walleij@xxxxxxxxxx> > >Acked-by: Peter Rosin <peda@xxxxxxxxxx> > >Thanks! Thanks for sorting this. Acked-by: Jonathan Cameron <jic23@xxxxxxxxxx> > >Cheers, >Peter -- Sent from my Android device with K-9 Mail. Please excuse my brevity. -- To unsubscribe from this list: send the line "unsubscribe linux-i2c" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
