Messages in this thread | | | Date | Wed, 31 Jul 2013 14:27:08 +0100 | From | Mark Brown <> | Subject | Re: [PATCH 2/2] chipidea: Use devm_request_irq() |
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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. [unhandled content-type:application/pgp-signature] | |