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* [PATCH] hwrng: ka-sa - fix __iomem on registers
@ 2019-10-15 12:36 Ben Dooks
  2019-10-15 12:47 ` Arnd Bergmann
  2019-10-25 15:20 ` Herbert Xu
  0 siblings, 2 replies; 3+ messages in thread
From: Ben Dooks @ 2019-10-15 12:36 UTC (permalink / raw)
  To: linux-kernel
  Cc: Ben Dooks, Arnd Bergmann, Greg Kroah-Hartman, linux-crypto, linux-kernel

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@codethink.co.uk>
---
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: linux-crypto@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
---
 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


^ permalink raw reply related	[flat|nested] 3+ messages in thread

* Re: [PATCH] hwrng: ka-sa - fix __iomem on registers
  2019-10-15 12:36 [PATCH] hwrng: ka-sa - fix __iomem on registers Ben Dooks
@ 2019-10-15 12:47 ` Arnd Bergmann
  2019-10-25 15:20 ` Herbert Xu
  1 sibling, 0 replies; 3+ messages in thread
From: Arnd Bergmann @ 2019-10-15 12:47 UTC (permalink / raw)
  To: Ben Dooks
  Cc: linux-kernel, Greg Kroah-Hartman,
	open list:HARDWARE RANDOM NUMBER GENERATOR CORE, linux-kernel

On Tue, Oct 15, 2019 at 2:36 PM Ben Dooks <ben.dooks@codethink.co.uk> wrote:
>
> 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 *

>
> Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk>
> ---
> Cc: Arnd Bergmann <arnd@arndb.de>

Acked-by:  Arnd Bergmann <arnd@arndb.de>

^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [PATCH] hwrng: ka-sa - fix __iomem on registers
  2019-10-15 12:36 [PATCH] hwrng: ka-sa - fix __iomem on registers Ben Dooks
  2019-10-15 12:47 ` Arnd Bergmann
@ 2019-10-25 15:20 ` Herbert Xu
  1 sibling, 0 replies; 3+ messages in thread
From: Herbert Xu @ 2019-10-25 15:20 UTC (permalink / raw)
  To: Ben Dooks
  Cc: linux-kernel, Arnd Bergmann, Greg Kroah-Hartman, linux-crypto,
	linux-kernel

On Tue, Oct 15, 2019 at 01:36:04PM +0100, Ben Dooks wrote:
> 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@codethink.co.uk>
> Acked-by:  Arnd Bergmann <arnd@arndb.de>
> ---
> Cc: Arnd Bergmann <arnd@arndb.de>
> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
> Cc: linux-crypto@vger.kernel.org
> Cc: linux-kernel@vger.kernel.org
> ---
>  drivers/char/hw_random/ks-sa-rng.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

Patch applied.  Thanks.
-- 
Email: Herbert Xu <herbert@gondor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt

^ permalink raw reply	[flat|nested] 3+ messages in thread

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2019-10-15 12:36 [PATCH] hwrng: ka-sa - fix __iomem on registers Ben Dooks
2019-10-15 12:47 ` Arnd Bergmann
2019-10-25 15:20 ` Herbert Xu

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