From: hch@lst.de (Christoph Hellwig)
Subject: [PATCH 1/2] [RFC] ata: ahci: Respect bus DMA constraints
Date: Fri, 8 Mar 2019 08:18:10 +0100 [thread overview]
Message-ID: <20190308071810.GA11959@lst.de> (raw)
In-Reply-To: <a8b5b75f-2660-e216-033a-77808e2afb76@gmail.com>
On Thu, Mar 07, 2019@12:14:06PM +0100, Marek Vasut wrote:
> > Right, but whoever *interprets* the device masks after the driver has
> > overridden them should be taking the (smaller) bus mask into account as
> > well, so the question is where is *that* not being done correctly?
>
> Do you have a hint where I should look for that ?
If this a 32-bit ARM platform it might the complete lack of support
for bus_dma_mask in arch/arm/mm/dma-mapping.c..
next prev parent reply other threads:[~2019-03-08 7:18 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-03-07 0:04 [PATCH 1/2] [RFC] ata: ahci: Respect bus DMA constraints marek.vasut
2019-03-07 0:04 ` [PATCH 2/2] [RFC] nvme-pci: " marek.vasut
2019-03-07 9:32 ` [PATCH 1/2] [RFC] ata: ahci: " Robin Murphy
2019-03-07 9:37 ` Marek Vasut
2019-03-07 9:48 ` Robin Murphy
2019-03-07 11:14 ` Marek Vasut
2019-03-08 7:18 ` Christoph Hellwig [this message]
2019-03-08 23:23 ` Marek Vasut
2019-03-13 18:30 ` Christoph Hellwig
2019-03-16 21:25 ` Marek Vasut
2019-03-16 23:04 ` Marek Vasut
2019-03-17 10:29 ` Geert Uytterhoeven
2019-03-17 23:36 ` Marek Vasut
2019-03-18 13:14 ` Robin Murphy
2019-03-18 23:25 ` Marek Vasut
2019-03-28 3:25 ` Marek Vasut
2019-04-09 12:16 ` Marek Vasut
2019-03-17 10:24 ` Geert Uytterhoeven
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