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From:   Greentime Hu <green.hu@gmail.com>
Date:   Wed, 22 Nov 2017 18:02:59 +0800
Message-ID: <CAEbi=3cMgyeGmsWecsvWAV6s8LHROyrF-UH5TDP3VGkk0UO86g@mail.gmail.com>
Subject: Re: [PATCH 12/31] nds32: Device specific operations
To:     Arnd Bergmann <arnd@arndb.de>
Cc:     Greentime <greentime@andestech.com>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        linux-arch <linux-arch@vger.kernel.org>,
        Thomas Gleixner <tglx@linutronix.de>,
        Jason Cooper <jason@lakedaemon.net>,
        Marc Zyngier <marc.zyngier@arm.com>,
        Rob Herring <robh+dt@kernel.org>,
        Networking <netdev@vger.kernel.org>,
        Vincent Chen <vincentc@andestech.com>, deanbo422@gmail.com
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2017-11-11 0:14 GMT+08:00 Arnd Bergmann <arnd@arndb.de>:
> Could you move ioremap_nocache/ioremap_uc/ioremap_wc/ioremap_wt
> out of that #ifdef, or would that break other architectures?
>

It seems ok. I just tried arm64, x86 and nds32.

#endif /* CONFIG_MMU */
#ifndef ioremap_nocache
void __iomem *ioremap(phys_addr_t phys_addr, size_t size);
#define ioremap_nocache ioremap_nocache
static inline void __iomem *ioremap_nocache(phys_addr_t offset, size_t size)
{
        return ioremap(offset, size);
}
#endif

#ifndef ioremap_uc
#define ioremap_uc ioremap_uc
static inline void __iomem *ioremap_uc(phys_addr_t offset, size_t size)
{
        return ioremap_nocache(offset, size);
}
#endif

#ifndef ioremap_wc
#define ioremap_wc ioremap_wc
static inline void __iomem *ioremap_wc(phys_addr_t offset, size_t size)
{
        return ioremap_nocache(offset, size);
}
#endif

#ifndef ioremap_wt
#define ioremap_wt ioremap_wt
static inline void __iomem *ioremap_wt(phys_addr_t offset, size_t size)
{
        return ioremap_nocache(offset, size);
}
#endif

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