linux-kernel - Re: [PATCH] remoteproc/mediatek: Use size_t type for len in scp_da_to

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Date:   Tue, 10 Mar 2020 15:25:41 -0700
From:   Bjorn Andersson <bjorn.andersson@...aro.org>
To:     Nathan Chancellor <natechancellor@...il.com>
Cc:     Ohad Ben-Cohen <ohad@...ery.com>, linux-remoteproc@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, linux-kernel@...r.kernel.org,
        clang-built-linux@...glegroups.com
Subject: Re: [PATCH] remoteproc/mediatek: Use size_t type for len in
 scp_da_to_va

On Tue 10 Mar 14:15 PDT 2020, Nathan Chancellor wrote:

> Clang errors:
> 
> drivers/remoteproc/mtk_scp.c:364:14: error: incompatible function
> pointer types initializing 'void *(*)(struct rproc *, u64, size_t)' (aka
> 'void *(*)(struct rproc *, unsigned long long, unsigned int)') with an
> expression of type 'void *(struct rproc *, u64, int)' (aka 'void
> *(struct rproc *, unsigned long long, int)')
> [-Werror,-Wincompatible-function-pointer-types]
>         .da_to_va       = scp_da_to_va,
>                           ^~~~~~~~~~~~
> 1 error generated.
> 
> Make the same change as commit 0fcbb369f052 ("remoteproc: Use size_t
> type for len in da_to_va"), which was not updated for the acceptance of
> commit 63c13d61eafe ("remoteproc/mediatek: add SCP support for mt8183").
> 
> Fixes: 0fcbb369f052 ("remoteproc: Use size_t type for len in da_to_va")
> Link: https://github.com/ClangBuiltLinux/linux/issues/927
> Signed-off-by: Nathan Chancellor <natechancellor@...il.com>

Applied, thank you.

Regards,
Bjorn

> ---
>  drivers/remoteproc/mtk_scp.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/remoteproc/mtk_scp.c b/drivers/remoteproc/mtk_scp.c
> index 7ccdf64ff3ea..ea3743e7e794 100644
> --- a/drivers/remoteproc/mtk_scp.c
> +++ b/drivers/remoteproc/mtk_scp.c
> @@ -320,7 +320,7 @@ static int scp_start(struct rproc *rproc)
>  	return ret;
>  }
>  
> -static void *scp_da_to_va(struct rproc *rproc, u64 da, int len)
> +static void *scp_da_to_va(struct rproc *rproc, u64 da, size_t len)
>  {
>  	struct mtk_scp *scp = (struct mtk_scp *)rproc->priv;
>  	int offset;
> -- 
> 2.26.0.rc1
>