linux-kernel - Re: [PATCH-next] crypto: aspeed: fix type warnings

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Date:   Thu, 2 Feb 2023 11:09:55 +0800
From:   Herbert Xu <herbert@...dor.apana.org.au>
To:     Neal Liu <neal_liu@...eedtech.com>
Cc:     Joel Stanley <joel@....id.au>, Andrew Jeffery <andrew@...id.au>,
        "David S . Miller" <davem@...emloft.net>,
        linux-arm-kernel@...ts.infradead.org,
        linux-aspeed@...ts.ozlabs.org, linux-kernel@...r.kernel.org,
        linux-crypto@...r.kernel.org
Subject: Re: [PATCH-next] crypto: aspeed: fix type warnings

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 = acry_dev->req;
> -	u8 *sram_buffer = (u8 *)acry_dev->acry_sram;
> +	u8 *sram_buffer = (u8 __force *)acry_dev->acry_sram;

Wouldn't it be better to keep the iomem marker and then use readb
on sram_buffer?

Cheers,
-- 
Email: Herbert Xu <herbert@...dor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt