From: Toshi Kani <toshi.kani@hp.com>
To: Dan Williams <dan.j.williams@intel.com>
Cc: arnd@arndb.de, mingo@redhat.com, bp@alien8.de, hpa@zytor.com,
tglx@linutronix.de, ross.zwisler@linux.intel.com,
akpm@linux-foundation.org, jgross@suse.com, x86@kernel.org,
konrad.wilk@oracle.com, benh@kernel.crashing.org,
mcgrof@suse.com, linux-nvdimm@ml01.01.org,
linux-kernel@vger.kernel.org, stefan.bader@canonical.com,
luto@amacapital.net, linux-mm@kvack.org, geert@linux-m68k.org,
ralf@linux-mips.org, hmh@hmh.eng.br, mpe@ellerman.id.au,
tj@kernel.org, paulus@samba.org,
kbuild test robot <fengguang.wu@intel.com>,
hch@lst.de
Subject: Re: [PATCH v4 1/6] arch: unify ioremap prototypes and macro aliases
Date: Wed, 17 Jun 2015 11:35:13 -0600 [thread overview]
Message-ID: <1434562513.11808.100.camel@misato.fc.hp.com> (raw)
In-Reply-To: <20150611211918.10271.74243.stgit@dwillia2-desk3.amr.corp.intel.com>
On Thu, 2015-06-11 at 17:19 -0400, Dan Williams wrote:
> Some archs define the first parameter to ioremap() as unsigned long,
> while the balance define it as resource_size_t. Unify on
> resource_size_t to enable passing ioremap function pointers. Also, some
> archs use function-like macros for defining ioremap aliases, but
> asm-generic/iomap.h expects object-like macros, unify on the latter.
>
:
> diff --git a/arch/ia64/include/asm/io.h b/arch/ia64/include/asm/io.h
> index 80a7e34be009..8588ef767a44 100644
> --- a/arch/ia64/include/asm/io.h
> +++ b/arch/ia64/include/asm/io.h
> @@ -424,8 +424,8 @@ __writeq (unsigned long val, volatile void __iomem *addr)
>
> # ifdef __KERNEL__
>
> -extern void __iomem * ioremap(unsigned long offset, unsigned long size);
> -extern void __iomem * ioremap_nocache (unsigned long offset, unsigned long size);
> +extern void __iomem * ioremap(resource_size_t offset, unsigned long size);
> +extern void __iomem * ioremap_nocache (resource_size_t offset, unsigned long size);
> extern void iounmap (volatile void __iomem *addr);
> extern void __iomem * early_ioremap (unsigned long phys_addr, unsigned long size);
> #define early_memremap(phys_addr, size) early_ioremap(phys_addr, size)
This ia64 io.h also defines ioremap_cache(). Should this be also
changed to resource_size_t?
static inline void __iomem * ioremap_cache (unsigned long phys_addr,
unsigned long size)
{
return ioremap(phys_addr, size);
}
-Toshi
WARNING: multiple messages have this Message-ID (diff)
From: Toshi Kani <toshi.kani@hp.com>
To: Dan Williams <dan.j.williams@intel.com>
Cc: arnd@arndb.de, mingo@redhat.com, bp@alien8.de, hpa@zytor.com,
tglx@linutronix.de, ross.zwisler@linux.intel.com,
akpm@linux-foundation.org, jgross@suse.com, x86@kernel.org,
konrad.wilk@oracle.com, benh@kernel.crashing.org,
mcgrof@suse.com, linux-nvdimm@lists.01.org,
linux-kernel@vger.kernel.org, stefan.bader@canonical.com,
luto@amacapital.net, linux-mm@kvack.org, geert@linux-m68k.org,
ralf@linux-mips.org, hmh@hmh.eng.br, mpe@ellerman.id.au,
tj@kernel.org, paulus@samba.org,
kbuild test robot <fengguang.wu@intel.com>,
hch@lst.de
Subject: Re: [PATCH v4 1/6] arch: unify ioremap prototypes and macro aliases
Date: Wed, 17 Jun 2015 11:35:13 -0600 [thread overview]
Message-ID: <1434562513.11808.100.camel@misato.fc.hp.com> (raw)
In-Reply-To: <20150611211918.10271.74243.stgit@dwillia2-desk3.amr.corp.intel.com>
On Thu, 2015-06-11 at 17:19 -0400, Dan Williams wrote:
> Some archs define the first parameter to ioremap() as unsigned long,
> while the balance define it as resource_size_t. Unify on
> resource_size_t to enable passing ioremap function pointers. Also, some
> archs use function-like macros for defining ioremap aliases, but
> asm-generic/iomap.h expects object-like macros, unify on the latter.
>
:
> diff --git a/arch/ia64/include/asm/io.h b/arch/ia64/include/asm/io.h
> index 80a7e34be009..8588ef767a44 100644
> --- a/arch/ia64/include/asm/io.h
> +++ b/arch/ia64/include/asm/io.h
> @@ -424,8 +424,8 @@ __writeq (unsigned long val, volatile void __iomem *addr)
>
> # ifdef __KERNEL__
>
> -extern void __iomem * ioremap(unsigned long offset, unsigned long size);
> -extern void __iomem * ioremap_nocache (unsigned long offset, unsigned long size);
> +extern void __iomem * ioremap(resource_size_t offset, unsigned long size);
> +extern void __iomem * ioremap_nocache (resource_size_t offset, unsigned long size);
> extern void iounmap (volatile void __iomem *addr);
> extern void __iomem * early_ioremap (unsigned long phys_addr, unsigned long size);
> #define early_memremap(phys_addr, size) early_ioremap(phys_addr, size)
This ia64 io.h also defines ioremap_cache(). Should this be also
changed to resource_size_t?
static inline void __iomem * ioremap_cache (unsigned long phys_addr,
unsigned long size)
{
return ioremap(phys_addr, size);
}
-Toshi
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next prev parent reply other threads:[~2015-06-17 17:35 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-06-11 21:19 [-tip PATCH v4 0/6] pmem api, generic ioremap_cache, and memremap Dan Williams
2015-06-11 21:19 ` Dan Williams
2015-06-11 21:19 ` [PATCH v4 1/6] arch: unify ioremap prototypes and macro aliases Dan Williams
2015-06-11 21:19 ` Dan Williams
2015-06-17 11:14 ` Christoph Hellwig
2015-06-17 11:14 ` Christoph Hellwig
2015-06-17 17:35 ` Toshi Kani [this message]
2015-06-17 17:35 ` Toshi Kani
2015-06-11 21:19 ` [PATCH v4 2/6] cleanup IORESOURCE_CACHEABLE vs ioremap() Dan Williams
2015-06-11 21:19 ` Dan Williams
2015-06-11 21:19 ` [PATCH v4 3/6] arch/*/asm/io.h: add ioremap_cache() to all architectures Dan Williams
2015-06-11 21:19 ` Dan Williams
2015-06-17 11:27 ` Christoph Hellwig
2015-06-17 11:27 ` Christoph Hellwig
2015-06-11 21:19 ` [PATCH v4 4/6] devm: fix ioremap_cache() usage Dan Williams
2015-06-11 21:19 ` Dan Williams
2015-06-11 21:19 ` [PATCH v4 5/6] arch: introduce memremap_cache() and memremap_wt() Dan Williams
2015-06-11 21:19 ` Dan Williams
2015-06-19 21:28 ` Toshi Kani
2015-06-19 21:28 ` Toshi Kani
2015-06-11 21:19 ` [PATCH v4 6/6] arch, x86: pmem api for ensuring durability of persistent memory updates Dan Williams
2015-06-11 21:19 ` Dan Williams
2015-06-17 11:31 ` Christoph Hellwig
2015-06-17 11:31 ` Christoph Hellwig
2015-06-17 14:54 ` Dan Williams
2015-06-17 14:54 ` Dan Williams
2015-06-17 15:08 ` Andy Lutomirski
2015-06-17 15:08 ` Andy Lutomirski
2015-06-17 15:07 ` Andy Lutomirski
2015-06-17 15:07 ` Andy Lutomirski
2015-06-17 15:15 ` Thomas Gleixner
2015-06-17 15:15 ` Thomas Gleixner
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