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path: root/drivers/crypto/hifn_795x.c
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Diffstat (limited to 'drivers/crypto/hifn_795x.c')
-rw-r--r--drivers/crypto/hifn_795x.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/crypto/hifn_795x.c b/drivers/crypto/hifn_795x.c
index 4d22b21bd3e..2969ea99f7c 100644
--- a/drivers/crypto/hifn_795x.c
+++ b/drivers/crypto/hifn_795x.c
@@ -2782,6 +2782,11 @@ static int __devinit 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;
+ }
+
if (strncmp(hifn_pll_ref, "ext", 3) &&
strncmp(hifn_pll_ref, "pci", 3)) {
printk(KERN_ERR "hifn795x: invalid hifn_pll_ref clock, "