From:   Neal Liu <neal_liu@aspeedtech.com>
To:     Herbert Xu <herbert@gondor.apana.org.au>
CC:     Joel Stanley <joel@jms.id.au>, Andrew Jeffery <andrew@aj.id.au>,
        "David S . Miller" <davem@davemloft.net>,
        "linux-arm-kernel@lists.infradead.org" 
        <linux-arm-kernel@lists.infradead.org>,
        "linux-aspeed@lists.ozlabs.org" <linux-aspeed@lists.ozlabs.org>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        "linux-crypto@vger.kernel.org" <linux-crypto@vger.kernel.org>
Subject: RE: [PATCH-next] crypto: aspeed: fix type warnings
Thread-Topic: [PATCH-next] crypto: aspeed: fix type warnings
Thread-Index: AQHZNrHmMT+Cp3JQVkSaFLeXTAj48q66+kKAgAAC+UA=
Date:   Thu, 2 Feb 2023 03:23:29 +0000
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> -----Original Message-----
> From: Herbert Xu <herbert@gondor.apana.org.au>
> Sent: Thursday, February 2, 2023 11:10 AM
> To: Neal Liu <neal_liu@aspeedtech.com>
> Cc: Joel Stanley <joel@jms.id.au>; Andrew Jeffery <andrew@aj.id.au>; Davi=
d
> S . Miller <davem@davemloft.net>; linux-arm-kernel@lists.infradead.org;
> linux-aspeed@lists.ozlabs.org; linux-kernel@vger.kernel.org;
> linux-crypto@vger.kernel.org
> Subject: Re: [PATCH-next] crypto: aspeed: fix type warnings
>=20
> On Thu, Feb 02, 2023 at 10:56:00AM +0800, Neal Liu wrote:
> >
> > @@ -302,7 +302,7 @@ static int aspeed_acry_rsa_ctx_copy(struct
> > aspeed_acry_dev *acry_dev, void *buf,  static int
> > aspeed_acry_rsa_transfer(struct aspeed_acry_dev *acry_dev)  {
> >  	struct akcipher_request *req =3D acry_dev->req;
> > -	u8 *sram_buffer =3D (u8 *)acry_dev->acry_sram;
> > +	u8 *sram_buffer =3D (u8 __force *)acry_dev->acry_sram;
>=20
> Wouldn't it be better to keep the iomem marker and then use readb on
> sram_buffer?
>=20
This way works too.
I cannot tell which way is better. Do you prefer to keep the iomem marker?
Thanks

-Neal