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>
diff --git a/drivers/crypto/Kconfig b/drivers/crypto/Kconfig
index 4ac6d4d..6d16b4b 100644
--- a/drivers/crypto/Kconfig
+++ b/drivers/crypto/Kconfig
@@ -200,6 +200,7 @@
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 a84250a..fe765f4 100644
--- a/drivers/crypto/hifn_795x.c
+++ b/drivers/crypto/hifn_795x.c
@@ -2744,10 +2744,8 @@
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)) {