From 553da857b1b917e27817b923ea2c786313620845 Mon Sep 17 00:00:00 2001 From: Krzysztof Hałasa Date: Tue, 23 Mar 2010 20:22:13 +0100 Subject: IXP4xx: HW pseudo-random generator is available on IXP45x/46x only. MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Krzysztof Hałasa --- drivers/char/hw_random/ixp4xx-rng.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) (limited to 'drivers/char/hw_random/ixp4xx-rng.c') diff --git a/drivers/char/hw_random/ixp4xx-rng.c b/drivers/char/hw_random/ixp4xx-rng.c index 263567f5f392..beec1627db3c 100644 --- a/drivers/char/hw_random/ixp4xx-rng.c +++ b/drivers/char/hw_random/ixp4xx-rng.c @@ -45,6 +45,9 @@ static int __init ixp4xx_rng_init(void) void __iomem * rng_base; int err; + if (!cpu_is_ixp46x()) /* includes IXP455 */ + return -ENOSYS; + rng_base = ioremap(0x70002100, 4); if (!rng_base) return -ENOMEM; @@ -68,5 +71,5 @@ module_init(ixp4xx_rng_init); module_exit(ixp4xx_rng_exit); MODULE_AUTHOR("Deepak Saxena "); -MODULE_DESCRIPTION("H/W Random Number Generator (RNG) driver for IXP4xx"); +MODULE_DESCRIPTION("H/W Pseudo-Random Number Generator (RNG) driver for IXP45x/46x"); MODULE_LICENSE("GPL"); -- cgit v1.2.3