alistair23-linux/drivers/crypto/cavium/cpt/Kconfig
Arnd Bergmann eafa26696a crypto: cavium - fix Kconfig dependencies
The driver fails to build if MSI support is disabled:

In file included from /git/arm-soc/drivers/crypto/cavium/cpt/cptpf_main.c:18:0:
drivers/crypto/cavium/cpt/cptpf.h:57:20: error: array type has incomplete element type 'struct msix_entry'
  struct msix_entry msix_entries[CPT_PF_MSIX_VECTORS];
                    ^~~~~~~~~~~~
drivers/crypto/cavium/cpt/cptpf_main.c: In function 'cpt_enable_msix':
drivers/crypto/cavium/cpt/cptpf_main.c:344:8: error: implicit declaration of function 'pci_enable_msix';did you mean 'cpt_enable_msix'? [-Werror=implicit-function-declaration]

On the other hand, it doesn't seem to have any build dependency on ARCH_THUNDER,
so let's allow compile-testing to catch this kind of problem more easily.
The 64-bit dependency is needed for the use of readq/writeq.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: David Daney <david.daney@cavium.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2017-02-15 13:23:50 +08:00

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#
# Cavium crypto device configuration
#
config CRYPTO_DEV_CPT
tristate
config CAVIUM_CPT
tristate "Cavium Cryptographic Accelerator driver"
depends on ARCH_THUNDER || COMPILE_TEST
depends on PCI_MSI && 64BIT
select CRYPTO_DEV_CPT
help
Support for Cavium CPT block found in octeon-tx series of
processors.
To compile this as a module, choose M here.