From: e@lab.ntt.co.jp
To: linux-kernel@vger.kernel.org
Cc: akpm@linux-foundation.org, fujita.tomonori@lab.ntt.co.jp,
x86@kernel.org, Richard Henderson <rth@twiddle.net>,
Ivan Kokshaysky <ink@jurassic.park.msu.ru>,
Matt Turner <mattst88@gmail.com>,
Russell King <linux@arm.linux.org.uk>,
David Howells <dhowells@redhat.com>,
Tony Luck <tony.luck@intel.com>,
Ralf Baechle <ralf@linux-mips.org>,
Kyle McMartin <kyle@mcmartin.ca>, Helge Deller <deller@gmx.de>,
James Bottomley <James.Bottomley@suse.de>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>,
Paul Mundt <lethal@linux-sh.org>,
"David S. Miller" <davem@davemloft.net>,
Chris Zankel <chris@zankel.net>
Subject: [PATCH -mm 00/12] adds include/asm-generic/pci-dma-common.h
Date: Tue, 9 Feb 2010 22:35:12 +0900 [thread overview]
Message-ID: <1265722524-9493-1-git-send-email-e> (raw)
This patchset adds include/asm-generic/pci-dma-common.h that defines
the pci_unmap state API:
DECLARE_PCI_UNMAP_ADDR(ADDR_NAME)
DECLARE_PCI_UNMAP_LEN(LEN_NAME)
pci_unmap_addr(PTR, ADDR_NAME)
pci_unmap_addr_set(PTR, ADDR_NAME, VAL)
pci_unmap_len(PTR, LEN_NAME)
pci_unmap_len_set(PTR, LEN_NAME, VAL)
This enables us to remove lots of the duplication in architecture
implementations since there are only two ways to define the API.
If architectures define HAVE_ARCH_PCI_UNMAP, they get the real
definition of pci_unmap state API. If not, they get the noop
definition.
In the long term, it's better to replace the API with the generic
device model API such as DECLARE_DMA_UNMAP_ADDR. We can map the API to
the generic one (like dma-mapping-compat.h does). This patch also
makes the migration process easier.
=
arch/alpha/include/asm/pci.h | 14 ++------------
arch/arm/include/asm/pci.h | 8 ++------
arch/frv/include/asm/pci.h | 7 +------
arch/ia64/include/asm/pci.h | 14 ++------------
arch/mips/include/asm/pci.h | 23 +++--------------------
arch/parisc/include/asm/pci.h | 14 ++------------
arch/powerpc/include/asm/pci.h | 33 +++------------------------------
arch/sh/include/asm/pci.h | 15 ++-------------
arch/sparc/include/asm/pci.h | 3 +++
arch/sparc/include/asm/pci_32.h | 14 --------------
arch/sparc/include/asm/pci_64.h | 14 --------------
arch/x86/include/asm/pci.h | 27 ++-------------------------
arch/xtensa/include/asm/pci.h | 7 +------
include/asm-generic/pci-dma-common.h | 20 ++++++++++++++++++++
14 files changed, 43 insertions(+), 170 deletions(-)
next reply other threads:[~2010-02-09 14:16 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-02-09 13:35 e [this message]
2010-02-09 13:35 ` [PATCH -mm 01/12] " e
2010-02-09 13:35 ` [PATCH -mm 02/12] x86: use asm-generic/pci-dma-common.h e
2010-02-09 13:35 ` [PATCH -mm 03/12] alpha: " e
2010-02-09 13:35 ` [PATCH -mm 04/12] arm: " e
2010-02-09 13:35 ` [PATCH -mm 05/12] frv: " e
2010-02-09 13:35 ` [PATCH -mm 06/12] ia64: " e
2010-02-09 13:35 ` [PATCH -mm 07/12] mips: " e
2010-02-09 13:35 ` [PATCH -mm 08/12] parisc: " e
2010-02-09 13:35 ` [PATCH -mm 09/12] powerpc: " e
2010-02-09 13:35 ` [PATCH -mm 10/12] sh: " e
2010-02-09 13:35 ` [PATCH -mm 11/12] sparc: " e
2010-02-09 19:26 ` David Miller
2010-02-09 13:35 ` [PATCH -mm 12/12] xtensa: " e
2010-02-09 15:23 ` [PATCH -mm 00/12] adds include/asm-generic/pci-dma-common.h Arnd Bergmann
2010-02-10 0:06 ` FUJITA Tomonori
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