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crypto: Make hifn_795x build depend on !ARCH_DMA_ADDR_T_64BIT 

hifn_795x works only on 32 bit, remove the detection while loading
the module and catch non-32 bit systems at build time.

Signed-off-by: Richard Weinberger <richard@nod.at>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Richard Weinberger 2011-10-10 12:55:41 +02:00 committed by Herbert Xu
parent 906b2c9f2d
commit 75b766258e
2 changed files with 3 additions and 4 deletions
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1
drivers/crypto/Kconfig
View File

@ -200,6 +200,7 @@ config CRYPTO_DEV_HIFN_795X
select CRYPTO_BLKCIPHER
select HW_RANDOM if CRYPTO_DEV_HIFN_795X_RNG
depends on PCI
depends on !ARCH_DMA_ADDR_T_64BIT
help
This option allows you to have support for HIFN 795x crypto adapters.

6
drivers/crypto/hifn_795x.c
View File

@ -2744,10 +2744,8 @@ static int __init hifn_init(void)
unsigned int freq;
int err;
if (sizeof(dma_addr_t) > 4) {
printk(KERN_INFO "HIFN supports only 32-bit addresses.\n");
return -EINVAL;
}
/* HIFN supports only 32-bit addresses */
BUILD_BUG_ON(sizeof(dma_addr_t) != 4);
if (strncmp(hifn_pll_ref, "ext", 3) &&
strncmp(hifn_pll_ref, "pci", 3)) {