netdev - Re: [PATCH 12/31] nds32: Device specific operations

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Date:   Wed, 22 Nov 2017 18:02:59 +0800
From:   Greentime Hu <green.hu@...il.com>
To:     Arnd Bergmann <arnd@...db.de>
Cc:     Greentime <greentime@...estech.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        linux-arch <linux-arch@...r.kernel.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Jason Cooper <jason@...edaemon.net>,
        Marc Zyngier <marc.zyngier@....com>,
        Rob Herring <robh+dt@...nel.org>,
        Networking <netdev@...r.kernel.org>,
        Vincent Chen <vincentc@...estech.com>, deanbo422@...il.com
Subject: Re: [PATCH 12/31] nds32: Device specific operations

2017-11-11 0:14 GMT+08:00 Arnd Bergmann <arnd@...db.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