Arnd Bergmann 586d492f28 crypto: ixp4xx - fix building wiht 64-bit dma_addr_t
The crypt_ctl structure must be exactly 64 bytes long to work correctly,
and it has to be a power-of-two size to allow turning the
64-bit division in crypt_phys2virt() into a shift operation, avoiding
the link failure:

ERROR: modpost: "__aeabi_uldivmod" [drivers/crypto/intel/ixp4xx/ixp4xx_crypto.ko] undefined!

The failure now shows up because the driver is available for compile
testing after the move, and a previous fix turned the more descriptive
BUILD_BUG_ON() into a link error.

Change the variably-sized dma_addr_t into the expected 'u32' type that is
needed for the hardware, and reinstate the size check for all 32-bit
architectures to simplify debugging if it hits again.

Fixes: 1bc7fdbf2677 ("crypto: ixp4xx - Move driver to drivers/crypto/intel/ixp4xx")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2023-04-14 18:59:34 +08:00
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