On Mon, Apr 20, 2020 at 09:56:47PM +0800, kbuild test robot wrote: > tree: https://git.kernel.org/pub/scm/linux/kernel/git/herbert/cryptodev-2.6.git master > head: 3357b61177a7f34267256098b29a7f4992af40f3 > commit: a583ed310bb6b514e717c11a30b5a7bc3a65d1b1 [7/26] hwrng: cctrng - introduce Arm CryptoCell driver > config: um-kunit_defconfig (attached as .config) > compiler: gcc-7 (Ubuntu 7.5.0-6ubuntu2) 7.5.0 > reproduce: > git checkout a583ed310bb6b514e717c11a30b5a7bc3a65d1b1 > # save the attached .config to linux build tree > make ARCH=um > > If you fix the issue, kindly add following tag as appropriate > Reported-by: kbuild test robot <lkp@xxxxxxxxx> > > All errors (new ones prefixed by >>): > > /usr/bin/ld: drivers/char/hw_random/cctrng.o: in function `cctrng_probe': > >> cctrng.c:(.text+0x36f): undefined reference to `devm_ioremap_resource' > collect2: error: ld returned 1 exit status This should fix the problem: ---8<--- The cctrng doesn't compile without HAS_IOMEM so we should depend on it. Reported-by: kbuild test robot <lkp@xxxxxxxxx> Fixes: a583ed310bb6 ("hwrng: cctrng - introduce Arm CryptoCell driver") Signed-off-by: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> diff --git a/drivers/char/hw_random/Kconfig b/drivers/char/hw_random/Kconfig index 848f26f78dc1..0c99735df694 100644 --- a/drivers/char/hw_random/Kconfig +++ b/drivers/char/hw_random/Kconfig @@ -476,6 +476,7 @@ config HW_RANDOM_KEYSTONE config HW_RANDOM_CCTRNG tristate "Arm CryptoCell True Random Number Generator support" + depends on HAS_IOMEM default HW_RANDOM help This driver provides support for the True Random Number -- Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
