From: robin.murphy@arm•com (Robin Murphy)
To: linux-arm-kernel@lists•infradead.org
Subject: [PATCH v2] iommu/io-pgtable: Rationalise quirk handling
Date: Fri, 12 Feb 2016 17:25:02 +0000 [thread overview]
Message-ID: <56BE156E.3090707@arm.com> (raw)
In-Reply-To: <27989114.h36RDrXrhS@avalon>
On 12/02/16 17:24, Laurent Pinchart wrote:
> Hi Robin,
>
> Thank you for the patch.
>
> On Friday 12 February 2016 17:09:46 Robin Murphy wrote:
>> As the number of io-pgtable implementations grows beyond 1, it's time
>> to rationalise the quirks mechanism before things have a chance to
>> start getting really ugly and out-of-hand.
>>
>> To that end:
>> - Indicate exactly which quirks each format can/does support.
>> - Fail creating a table if a caller wants unsupported quirks.
>> - Properly document where each quirk applies and why.
>>
>> Signed-off-by: Robin Murphy <robin.murphy@arm•com>
>> ---
>>
>> Just to allay any confusion, I intend this as a followup to the
>> short-descriptor[1] and Mediatek IOMMU[2] patches, rather than a
>> crucial addition, so it can either get picked up along with those
>> or wait 'til later.
>>
>> v2:
>> - Use unsigned long for the bitmap.
>> - Do format-specific checks inline.
>> - Enough of a difference that I don't feel comfortable putting
>> Laurent's reviewed-by from v1 on it...
>
> Here it is again.
>
> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard•com>
Thanks!
Robin.
next prev parent reply other threads:[~2016-02-12 17:25 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-01-26 17:13 [PATCH v3 0/3] io-pgtable ARM short descriptor format Robin Murphy
2016-01-26 17:13 ` [PATCH v3 1/3] iommu/io-pgtable: Add ARMv7 short descriptor support Robin Murphy
2016-01-27 1:16 ` Yong Wu
2016-01-28 13:41 ` Robin Murphy
2016-02-17 14:31 ` Will Deacon
2016-02-17 14:34 ` Robin Murphy
2016-02-10 15:48 ` Will Deacon
2016-02-11 16:13 ` [PATCH 4/3] iommu/io-pgtable: Rationalise quirk handling Robin Murphy
2016-02-11 20:39 ` Laurent Pinchart
2016-02-12 12:08 ` Will Deacon
2016-02-12 12:32 ` Laurent Pinchart
2016-02-12 15:23 ` Robin Murphy
2016-02-12 15:55 ` Will Deacon
2016-03-01 12:01 ` [PATCH v3 1/3] iommu/io-pgtable: Add ARMv7 short descriptor support Geert Uytterhoeven
2016-03-01 13:13 ` Laurent Pinchart
2016-03-01 13:51 ` Robin Murphy
2016-01-26 17:13 ` [PATCH v3 2/3] iommu/io-pgtable: Add helper functions for TLB ops Robin Murphy
2016-01-26 17:13 ` [PATCH v3 3/3] iommu/io-pgtable: Avoid redundant TLB syncs Robin Murphy
2016-02-10 14:21 ` Will Deacon
2016-02-12 17:09 ` [PATCH v2] iommu/io-pgtable: Rationalise quirk handling Robin Murphy
2016-02-12 17:24 ` Laurent Pinchart
2016-02-12 17:25 ` Robin Murphy [this message]
2016-02-12 17:27 ` Will Deacon
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