From: arnd@arndb•de (Arnd Bergmann)
To: linux-arm-kernel@lists•infradead.org
Subject: [PATCH] USB: set device dma_mask without reference to global data
Date: Wed, 8 May 2013 17:10:23 +0200 [thread overview]
Message-ID: <201305081710.23489.arnd@arndb.de> (raw)
In-Reply-To: <Pine.LNX.4.44L0.1305081011480.1450-100000@iolanthe.rowland.org>
On Wednesday 08 May 2013, Alan Stern wrote:
> > The first occurence was apparently in 3.3, but only in ehci-tegra.c,
> > while the other drivers subsequently copied the bug.
>
> An alternative solution -- perhaps not better but also not relying on
> coherent_dma_mask -- is to clear pdev->dev.dma_mask in the remove
> routine if it points to the static mask value.
>
Yes, I thought about that, but couldn't see any advantage one way
or the other and this one seemed simpler.
Arnd
next prev parent reply other threads:[~2013-05-08 15:10 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-05-07 22:53 [PATCH] USB: set device dma_mask without reference to global data Stephen Warren
2013-05-07 23:04 ` Greg Kroah-Hartman
2013-05-07 23:42 ` Arnd Bergmann
2013-05-08 14:14 ` Alan Stern
2013-05-08 15:10 ` Arnd Bergmann [this message]
2013-05-09 21:33 ` Russell King - ARM Linux
2013-05-08 1:13 ` Peter Chen
2013-05-08 2:26 ` Stephen Warren
2013-05-08 2:54 ` Peter Chen
2013-05-08 7:11 ` Matthijs Kooijman
2013-05-08 7:28 ` Matthijs Kooijman
2013-05-08 13:50 ` Rob Herring
2013-05-08 14:07 ` Arnd Bergmann
2013-05-08 7:24 ` Arnd Bergmann
2013-05-09 21:39 ` Russell King - ARM Linux
2013-05-08 22:42 ` Stephen Warren
2013-05-09 21:36 ` Russell King - ARM Linux
2013-05-08 5:11 ` Tony Prisk
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