[PATCH 2/2] chipidea: Use devm_request_irq()

Mark Brown broonie at kernel.org
Wed Jul 31 09:27:08 EDT 2013


On Wed, Jul 31, 2013 at 07:55:27AM -0400, Tejun Heo wrote:

> If you have DMA / IRQ / command engine deactivations in devm path
> which often is the case with full conversions, freeing any resources
> including DMA areas and host private data in the wrong order is a
> horrible idea.  It's worse as it won't really be noticeable in most
> cases.

It's really only interrupts that affect most devices - if there's DMA or
anything going on after the remove() then as you said earlier the driver
is probably doing something wrong.
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 836 bytes
Desc: Digital signature
URL: <http://lists.infradead.org/pipermail/linux-arm-kernel/attachments/20130731/cd025781/attachment.sig>


More information about the linux-arm-kernel mailing list