From: will.deacon@arm.com (Will Deacon)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 1/9] dma: pl330: rip out broken, redundant ID probing
Date: Tue, 11 Jun 2013 09:45:14 +0100 [thread overview]
Message-ID: <20130611084514.GA24729@mudshark.cambridge.arm.com> (raw)
In-Reply-To: <CAJe_Zhc1UoTC4q4oaW=dzyi_10Q7EoezoT=G8_v+yCmBxV75+A@mail.gmail.com>
On Tue, Jun 11, 2013 at 05:40:36AM +0100, Jassi Brar wrote:
> On 11 June 2013 00:04, Will Deacon <will.deacon@arm.com> wrote:
> > The PL330 driver probes the peripheral and primecell IDs of the device to
> > make sure that it is indeed an AMBA PL330. However, it does this by
> > making byte accesses to a device mapping of the word-aligned ID
> > registers, which is either UNPREDICTABLE or generates an alignment fault
> > (depending on the presence of the virtualisation extensions).
> >
> > Rather than fix this code, we can actually rip most of it out and let
> > the AMBA bus driver correctly do the probing for us.
> >
> Acked-by: Jassi Brar <jaswinder.singh@linaro.org>
Thanks for the acks Jassi!
Will
next prev parent reply other threads:[~2013-06-11 8:45 UTC|newest]
Thread overview: 47+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-06-10 18:34 [PATCH 0/9] Add support for ARM SMMU architectures 1 and 2 Will Deacon
2013-06-10 18:34 ` [PATCH 1/9] dma: pl330: rip out broken, redundant ID probing Will Deacon
2013-06-11 4:40 ` Jassi Brar
2013-06-11 8:45 ` Will Deacon [this message]
2013-06-11 22:31 ` Grant Likely
2013-06-12 5:31 ` Vinod Koul
2013-06-10 18:34 ` [PATCH 2/9] dma: pl330: use dma_addr_t for describing bus addresses Will Deacon
2013-06-11 4:39 ` Jassi Brar
2013-06-11 22:32 ` Grant Likely
[not found] ` <CAJe_ZheKMVQgq42Vx5N1TXXdgFJ2sp50ixU30A7beXhmSVHnZQ@mail.gmail.com>
2013-06-12 5:31 ` Vinod Koul
2013-06-10 18:34 ` [PATCH 3/9] ARM: dma-mapping: convert DMA direction into IOMMU protection attributes Will Deacon
2013-06-19 8:37 ` Marek Szyprowski
2013-06-19 8:52 ` Will Deacon
2013-06-19 8:57 ` Marek Szyprowski
2013-06-25 10:12 ` Hiroshi Doyu
2013-06-25 11:37 ` Will Deacon
2013-06-25 11:52 ` Hiroshi Doyu
2013-06-25 12:34 ` Will Deacon
2013-06-10 18:34 ` [PATCH 4/9] ARM: dma-mapping: NULLify dev->archdata.mapping pointer on detach Will Deacon
2013-06-11 5:34 ` Hiroshi Doyu
2013-06-11 8:50 ` Will Deacon
2013-06-11 9:39 ` Hiroshi Doyu
2013-06-19 8:59 ` Marek Szyprowski
2013-06-10 18:34 ` [PATCH 5/9] arm64: pgtable: use pte_index instead of __pte_index Will Deacon
2013-06-10 18:34 ` [PATCH 6/9] arm64: device: add iommu pointer to device archdata Will Deacon
2013-06-10 18:34 ` [PATCH 7/9] documentation: iommu: add description of ARM System MMU binding Will Deacon
2013-06-12 8:44 ` Grant Likely
2013-06-20 20:08 ` Joerg Roedel
2013-06-21 9:57 ` Will Deacon
2013-06-21 13:55 ` Joerg Roedel
2013-06-21 16:41 ` Will Deacon
2013-06-25 19:18 ` Stuart Yoder
2013-06-26 13:39 ` Will Deacon
2013-06-26 16:19 ` Stuart Yoder
2013-06-26 17:42 ` Will Deacon
2013-06-27 18:22 ` Stuart Yoder
2013-06-28 9:06 ` Will Deacon
2013-06-28 16:03 ` Stuart Yoder
2013-06-10 18:34 ` [PATCH 8/9] iommu: add support for ARM Ltd. System MMU architecture Will Deacon
2013-06-20 21:26 ` Joerg Roedel
2013-06-21 10:23 ` Will Deacon
2013-06-21 14:13 ` Joerg Roedel
2013-06-21 15:00 ` Will Deacon
2013-06-21 15:30 ` Joerg Roedel
2013-06-21 16:40 ` Will Deacon
2013-06-10 18:34 ` [PATCH 9/9] MAINTAINERS: add entry for ARM system MMU driver Will Deacon
2013-06-12 8:45 ` Grant Likely
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