[PATCH] hwrng: ka-sa - fix __iomem on registers

[Ben Dooks]

Add __ioemm attribute to reg_rng to fix the following
sparse warnings:

drivers/char/hw_random/ks-sa-rng.c:102:9: warning: incorrect type in argument 2 (different address spaces)
drivers/char/hw_random/ks-sa-rng.c:102:9:    expected void volatile [noderef] <asn:2> *addr
drivers/char/hw_random/ks-sa-rng.c:102:9:    got unsigned int *
drivers/char/hw_random/ks-sa-rng.c:104:9: warning: incorrect type in argument 2 (different address spaces)
drivers/char/hw_random/ks-sa-rng.c:104:9:    expected void volatile [noderef] <asn:2> *addr
drivers/char/hw_random/ks-sa-rng.c:104:9:    got unsigned int *
drivers/char/hw_random/ks-sa-rng.c:113:9: warning: incorrect type in argument 2 (different address spaces)
drivers/char/hw_random/ks-sa-rng.c:113:9:    expected void volatile [noderef] <asn:2> *addr
drivers/char/hw_random/ks-sa-rng.c:113:9:    got unsigned int *
drivers/char/hw_random/ks-sa-rng.c:116:9: warning: incorrect type in argument 2 (different address spaces)
drivers/char/hw_random/ks-sa-rng.c:116:9:    expected void volatile [noderef] <asn:2> *addr
drivers/char/hw_random/ks-sa-rng.c:116:9:    got unsigned int *
drivers/char/hw_random/ks-sa-rng.c:119:17: warning: incorrect type in argument 1 (different address spaces)
drivers/char/hw_random/ks-sa-rng.c:119:17:    expected void const volatile [noderef] <asn:2> *addr
drivers/char/hw_random/ks-sa-rng.c:119:17:    got unsigned int *
drivers/char/hw_random/ks-sa-rng.c:121:9: warning: incorrect type in argument 2 (different address spaces)
drivers/char/hw_random/ks-sa-rng.c:121:9:    expected void volatile [noderef] <asn:2> *addr
drivers/char/hw_random/ks-sa-rng.c:121:9:    got unsigned int *
drivers/char/hw_random/ks-sa-rng.c:132:9: warning: incorrect type in argument 2 (different address spaces)
drivers/char/hw_random/ks-sa-rng.c:132:9:    expected void volatile [noderef] <asn:2> *addr
drivers/char/hw_random/ks-sa-rng.c:132:9:    got unsigned int *
drivers/char/hw_random/ks-sa-rng.c:143:19: warning: incorrect type in argument 1 (different address spaces)
drivers/char/hw_random/ks-sa-rng.c:143:19:    expected void const volatile [noderef] <asn:2> *addr
drivers/char/hw_random/ks-sa-rng.c:143:19:    got unsigned int *
drivers/char/hw_random/ks-sa-rng.c:144:19: warning: incorrect type in argument 1 (different address spaces)
drivers/char/hw_random/ks-sa-rng.c:144:19:    expected void const volatile [noderef] <asn:2> *addr
drivers/char/hw_random/ks-sa-rng.c:144:19:    got unsigned int *
drivers/char/hw_random/ks-sa-rng.c:146:9: warning: incorrect type in argument 2 (different address spaces)
drivers/char/hw_random/ks-sa-rng.c:146:9:    expected void volatile [noderef] <asn:2> *addr
drivers/char/hw_random/ks-sa-rng.c:146:9:    got unsigned int *
drivers/char/hw_random/ks-sa-rng.c:160:25: warning: incorrect type in argument 1 (different address spaces)
drivers/char/hw_random/ks-sa-rng.c:160:25:    expected void const volatile [noderef] <asn:2> *addr
drivers/char/hw_random/ks-sa-rng.c:160:25:    got unsigned int *
drivers/char/hw_random/ks-sa-rng.c:194:28: warning: incorrect type in assignment (different address spaces)
drivers/char/hw_random/ks-sa-rng.c:194:28:    expected struct trng_regs *reg_rng
drivers/char/hw_random/ks-sa-rng.c:194:28:    got void [noderef] <asn:2> *

Signed-off-by: Ben Dooks <ben.dooks@xxxxxxxxxxxxxxx>
---
Cc: Arnd Bergmann <arnd@xxxxxxxx>
Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Cc: linux-crypto@xxxxxxxxxxxxxxx
Cc: linux-kernel@xxxxxxxxxxxxxxx
---
 drivers/char/hw_random/ks-sa-rng.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/char/hw_random/ks-sa-rng.c b/drivers/char/hw_random/ks-sa-rng.c
index a67430010aa6..d40bdb829861 100644
--- a/drivers/char/hw_random/ks-sa-rng.c
+++ b/drivers/char/hw_random/ks-sa-rng.c
@@ -84,7 +84,7 @@ struct ks_sa_rng {
 	struct hwrng	rng;
 	struct clk	*clk;
 	struct regmap	*regmap_cfg;
-	struct trng_regs *reg_rng;
+	struct trng_regs __iomem *reg_rng;
 };
 
 static int ks_sa_rng_init(struct hwrng *rng)
-- 
2.23.0