From: linux@arm.linux.org.uk (Russell King - ARM Linux)
To: linux-arm-kernel@lists.infradead.org
Subject: dma_cache_maint_contiguous should be patched as dma_cache_maint do
Date: Thu, 10 Dec 2009 22:14:15 +0000 [thread overview]
Message-ID: <20091210221415.GA19752@n2100.arm.linux.org.uk> (raw)
In-Reply-To: <alpine.LFD.2.00.0912101529320.31174@xanadu.home>
On Thu, Dec 10, 2009 at 04:21:29PM -0500, Nicolas Pitre wrote:
> On Thu, 10 Dec 2009, Russell King - ARM Linux wrote:
>
> > If it is just ARMv6 which is affected by this (note that we can not rely
> > upon ID_MMFR3 telling us since this register has a different purpose
> > there) then we can solve this by just modifying the ARMv6 DMA cache
> > methods - which becomes easier if I get the rearrangement of the DMA
> > stuff finally sorted. The *only* thing that remains in the way of that
> > is the stupid flush_ioremap_region() crap for just one MTD driver.
>
> My suggestion: kill flush_ioremap_region() and substitute it by an ARMv5
> cache range invalidate loop implementation local to that driver.
>
> While at it, here's the patch:
Great, can it end up in the patch system?
next prev parent reply other threads:[~2009-12-10 22:14 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-12-10 14:59 dma_cache_maint_contiguous should be patched as dma_cache_maint do mkl lin
2009-12-10 15:35 ` Catalin Marinas
2009-12-10 16:39 ` Russell King - ARM Linux
2009-12-10 17:15 ` dma_cache_maint_contiguous should be patched asdma_cache_maint do Catalin Marinas
2009-12-10 17:39 ` Russell King - ARM Linux
2009-12-10 18:30 ` mkl lin
2009-12-10 18:45 ` mkl lin
2009-12-11 9:36 ` Catalin Marinas
2009-12-11 12:32 ` mkl lin
2009-12-16 20:33 ` Russell King - ARM Linux
2009-12-17 5:08 ` mkl lin
2009-12-18 12:49 ` Richard Liu
2009-12-10 21:21 ` dma_cache_maint_contiguous should be patched as dma_cache_maint do Nicolas Pitre
2009-12-10 22:14 ` Russell King - ARM Linux [this message]
2009-12-11 1:24 ` Nicolas Pitre
2009-12-11 10:56 ` dma_cache_maint_contiguous should be patched asdma_cache_maint do Catalin Marinas
-- strict thread matches above, loose matches on Subject: below --
2009-12-07 3:13 dma_cache_maint_contiguous should be patched as dma_cache_maint do mkl lin
2009-12-07 12:13 ` Catalin Marinas
2009-12-07 13:46 ` Catalin Marinas
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