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authorNicolas Ferre <nicolas.ferre@atmel.com>2011-07-27 12:21:29 +0000
committerVinod Koul <vinod.koul@intel.com>2011-08-19 18:39:54 +0530
commitc0ba5947370a0900b1823922fc4faf41515bc901 (patch)
treef3c32b76f48fc7f78ebd32a6d33f5e6b99e1328a /drivers/sh/Kconfig
parentd8cb04b070c2a55f7201714d231cff4f8f9fbd16 (diff)
dmaengine: at_hdmac: improve power management routines
Save/restore dma controller state across a suspend-resume sequence. The prepare() function will wait for the non-cyclic channels to become idle. It also deals with cyclic operations with the start at next period while resuming. Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Vinod Koul <vinod.koul@intel.com>
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