linux-kernel - Re: [PATCH v5 RESEND 05/17] mm: ioremap: allow ARCH to have its own ioremap method definition

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Date:   Thu, 18 May 2023 09:56:53 +0800
From:   Kefeng Wang <wangkefeng.wang@...wei.com>
To:     Baoquan He <bhe@...hat.com>, <linux-kernel@...r.kernel.org>
CC:     <linux-arch@...r.kernel.org>, <linux-mm@...ck.org>,
        <arnd@...db.de>, <christophe.leroy@...roup.eu>,
        <hch@...radead.org>, <agordeev@...ux.ibm.com>,
        <schnelle@...ux.ibm.com>, <David.Laight@...LAB.COM>,
        <shorne@...il.com>, <willy@...radead.org>, <deller@....de>
Subject: Re: [PATCH v5 RESEND 05/17] mm: ioremap: allow ARCH to have its own
 ioremap method definition



On 2023/5/15 17:08, Baoquan He wrote:
> Architectures can be converted to GENERIC_IOREMAP, to take standard
> ioremap_xxx() and iounmap() way. But some ARCH-es could have specific
> handling for ioremap_prot(), ioremap() and iounmap(), than standard
> methods.
> 
> In oder to convert these ARCH-es to take GENERIC_IOREMAP method, allow
> these architecutres to have their own ioremap_prot(), ioremap() and
> iounmap() definitions.
> 
> Signed-off-by: Baoquan He <bhe@...hat.com>
> Acked-by: Arnd Bergmann <arnd@...db.de>
> Cc: linux-arch@...r.kernel.org
> Cc: Kefeng Wang <wangkefeng.wang@...wei.com>
> ---
>   include/asm-generic/io.h | 3 +++
>   mm/ioremap.c             | 4 ++++
>   2 files changed, 7 insertions(+)
> 

Reviewed-by: Kefeng Wang <wangkefeng.wang@...wei.com>