On Wed, Apr 08, 2020 at 06:26:48PM +0200, Arnd Bergmann wrote: > DMADEVICES is the top-level option for the slave DMA > subsystem, and should not be selected by device drivers, > as this can cause circular dependencies such as: > > drivers/net/ethernet/freescale/Kconfig:6:error: recursive dependency detected! > drivers/net/ethernet/freescale/Kconfig:6: symbol NET_VENDOR_FREESCALE depends on PPC_BESTCOMM > drivers/dma/bestcomm/Kconfig:6: symbol PPC_BESTCOMM depends on DMADEVICES > drivers/dma/Kconfig:6: symbol DMADEVICES is selected by CRYPTO_DEV_SP_CCP > drivers/crypto/ccp/Kconfig:10: symbol CRYPTO_DEV_SP_CCP depends on CRYPTO > crypto/Kconfig:16: symbol CRYPTO is selected by LIBCRC32C > lib/Kconfig:222: symbol LIBCRC32C is selected by LIQUIDIO > drivers/net/ethernet/cavium/Kconfig:65: symbol LIQUIDIO depends on PTP_1588_CLOCK > drivers/ptp/Kconfig:8: symbol PTP_1588_CLOCK is implied by FEC > drivers/net/ethernet/freescale/Kconfig:23: symbol FEC depends on NET_VENDOR_FREESCALE > > The LIQUIDIO driver causing this problem is addressed in a > separate patch, but this change is needed to prevent it from > happening again. > > Using "depends on DMADEVICES" is what we do for all other > implementations of slave DMA controllers as well. > > Fixes: b3c2fee5d66b ("crypto: ccp - Ensure all dependencies are specified") > Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx> > --- > drivers/crypto/ccp/Kconfig | 3 +-- > 1 file changed, 1 insertion(+), 2 deletions(-) Patch applied. Thanks. -- Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt