linux-kernel - Re: [PATCH v5 RESEND 07/17] arc: mm: Convert to GENERIC

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Date:   Thu, 1 Jun 2023 04:14:05 -0700
From:   Christoph Hellwig <hch@...radead.org>
To:     Baoquan He <bhe@...hat.com>
Cc:     Christoph Hellwig <hch@...radead.org>,
        linux-kernel@...r.kernel.org, linux-arch@...r.kernel.org,
        linux-mm@...ck.org, arnd@...db.de, christophe.leroy@...roup.eu,
        agordeev@...ux.ibm.com, wangkefeng.wang@...wei.com,
        schnelle@...ux.ibm.com, David.Laight@...lab.com, shorne@...il.com,
        willy@...radead.org, deller@....de,
        Vineet Gupta <vgupta@...nel.org>,
        linux-snps-arc@...ts.infradead.org
Subject: Re: [PATCH v5 RESEND 07/17] arc: mm: Convert to GENERIC_IOREMAP

On Tue, May 30, 2023 at 05:25:01PM +0800, Baoquan He wrote:
> On 05/16/23 at 11:31pm, Christoph Hellwig wrote:
> > > +#define ioremap ioremap
> > > +#define ioremap_prot ioremap_prot
> > > +#define iounmap iounmap
> > 
> > Nit:  I think it's cleaner to have these #defines right next to the
> > function declaration.
> 
> For this one, I didn't add function declaration of ioremap_prot and
> iounmap in arch/arc/include/asm/io.h and the same to other arch's
> asm/io.h. Because asm-generic/io.h already has those function
> declaration, then ARCH's asm/io.h includeasm-generic/io.h. I tried
> adding function declarations for ioremap_prot() and iounmap(), building
> passed too. Do you think we need add extra function declarations in
> ARCH's asm/io.h file?

No, sorry.