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Re: [PATCH] Clarify pci_iomap() usage for MMIO-only devices

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From: Luis R. Rodriguez <mcgrof@...>
To: Linus Torvalds <torvalds@...>
Cc: Alan Cox <alan@...>, linux-kernel <linux-kernel@...>, Jeff Garzik <jeff@...>, John W. Linville <linville@...>, linux-wireless <linux-wireless@...>
Subject: Re: [PATCH] Clarify pci_iomap() usage for MMIO-only devices
Date: Tuesday, September 18, 2007 - 5:02 pm

On 9/18/07, Linus Torvalds <torvalds@linux-foundation.org> wrote:

ACK but do we really need to benchmark this if we *know* we are
creating unnecessary branches? How about Jeff's suggestion of
introducing pci_mmio_map() ? This way we leave the current
documenation as it is and just introduce this for MMIO-only devices.
No benchmarks are necessary then, and no need to confuse people with
the old API.

  Luis
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Messages in current thread:
[PATCH] Clarify pci_iomap() usage for MMIO-only devices, Luis R. Rodriguez, (Mon Sep 17, 4:22 pm)
Re: [PATCH] Clarify pci_iomap() usage for MMIO-only devices, Alan Cox, (Tue Sep 18, 6:34 am)
Re: [PATCH] Clarify pci_iomap() usage for MMIO-only devices, Luis R. Rodriguez, (Tue Sep 18, 2:46 pm)
Re: [PATCH] Clarify pci_iomap() usage for MMIO-only devices, Linus Torvalds, (Tue Sep 18, 3:03 pm)
Re: [PATCH] Clarify pci_iomap() usage for MMIO-only devices, Alan Cox, (Tue Sep 18, 6:25 pm)
Re: [PATCH] Clarify pci_iomap() usage for MMIO-only devices, Nick Kossifidis, (Wed Sep 19, 11:07 am)
Re: [PATCH] Clarify pci_iomap() usage for MMIO-only devices, Benjamin Herrenschmidt, (Tue Sep 18, 6:16 pm)
Re: [PATCH] Clarify pci_iomap() usage for MMIO-only devices, Luis R. Rodriguez, (Tue Sep 18, 3:07 pm)
Re: [PATCH] Clarify pci_iomap() usage for MMIO-only devices, Linus Torvalds, (Tue Sep 18, 3:22 pm)
Re: [PATCH] Clarify pci_iomap() usage for MMIO-only devices, Jeff Garzik, (Tue Sep 18, 4:21 pm)
Re: [PATCH] Clarify pci_iomap() usage for MMIO-only devices, Benjamin Herrenschmidt, (Tue Sep 18, 6:20 pm)
Re: [PATCH] Clarify pci_iomap() usage for MMIO-only devices, Jeff Garzik, (Tue Sep 18, 7:08 pm)
Re: [PATCH] Clarify pci_iomap() usage for MMIO-only devices, Linus Torvalds, (Tue Sep 18, 7:27 pm)
Re: [PATCH] Clarify pci_iomap() usage for MMIO-only devices, Luis R. Rodriguez, (Tue Sep 18, 4:12 pm)
Re: [PATCH] Clarify pci_iomap() usage for MMIO-only devices, Linus Torvalds, (Tue Sep 18, 4:30 pm)
Re: [PATCH] Clarify pci_iomap() usage for MMIO-only devices, Benjamin Herrenschmidt, (Tue Sep 18, 6:21 pm)
Re: [PATCH] Clarify pci_iomap() usage for MMIO-only devices, Linus Torvalds, (Tue Sep 18, 6:36 pm)
Re: [PATCH] Clarify pci_iomap() usage for MMIO-only devices, Luis R. Rodriguez, (Tue Sep 18, 5:02 pm)
Re: [PATCH] Clarify pci_iomap() usage for MMIO-only devices, Linus Torvalds, (Tue Sep 18, 5:14 pm)
Re: [PATCH] Clarify pci_iomap() usage for MMIO-only devices, Jeff Garzik, (Tue Sep 18, 5:30 pm)
Re: [PATCH] Clarify pci_iomap() usage for MMIO-only devices, Linus Torvalds, (Tue Sep 18, 5:42 pm)
Re: [PATCH] Clarify pci_iomap() usage for MMIO-only devices, Linus Torvalds, (Tue Sep 18, 6:25 pm)