diff options
| author | Richard Weinberger <richard@nod.at> | 2011-10-10 12:55:41 +0200 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2011-10-21 14:28:57 +0200 |
| commit | 75b766258eb2b8255c628a994663bd5298f216e6 (patch) | |
| tree | db755f2fbe3aeccb8b00e6eba238999221da0eca | |
| parent | 906b2c9f2d9f395f5ca01b855b7c74b126517816 (diff) | |
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>
| -rw-r--r-- | drivers/crypto/Kconfig | 1 | ||||
| -rw-r--r-- | drivers/crypto/hifn_795x.c | 6 |
2 files changed, 3 insertions, 4 deletions
diff --git a/drivers/crypto/Kconfig b/drivers/crypto/Kconfig index 4ac6d4d2bd1..6d16b4b0d7a 100644 --- a/drivers/crypto/Kconfig +++ b/drivers/crypto/Kconfig @@ -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. diff --git a/drivers/crypto/hifn_795x.c b/drivers/crypto/hifn_795x.c index a84250a5dd5..fe765f49de5 100644 --- a/drivers/crypto/hifn_795x.c +++ b/drivers/crypto/hifn_795x.c @@ -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)) { |