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(parent: 571fa74) | patch
dmaengine: PL08x: remove runtime PM support
authorRussell King <rmk+kernel@arm.linux.org.uk>
Thu, 17 May 2012 17:23:38 +0000 (18:23 +0100)
committerRussell King <rmk+kernel@arm.linux.org.uk>
Sun, 1 Jul 2012 13:15:34 +0000 (14:15 +0100)
commitb843441a4c13281823cbd06128b0265fc80f985c
tree6696ac704b59ba74f7497bbc0dc757c4c6832c14tree
parent571fa74034701391b1be2ad193f684acfdeb75d1commit | diff
dmaengine: PL08x: remove runtime PM support

The runtime PM support conflicts with the generic AMBA bus PM, and also
causes a potential deadlock with the PL011 driver as it results in
interrupts being enabled beneath a spinlock.

I don't presently see any solution to this other than by removing the
runtime PM support entirely from the DMA engine driver.  Alternative
suggestions welcome.

Acked-by: Linus Walleij <linus.walleij@linaro.org>
Tested-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
drivers/dma/amba-pl08x.c diff | blob | history
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