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Commit d3f8dc42 authored by Alexandre Belloni's avatar Alexandre Belloni Committed by Vinod Koul
Browse files

dmaengine: at_xdmac: don't restore unsaved status 



save_gs is supposed to save the channel status in order to be restored at
resume time but it is never updated and is always 0. Anyway, the channel
status is updated in the per channel loop later in the resume function.

Signed-off-by: default avatarAlexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: default avatarNicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: default avatarLudovic Desroches <ludovic.desroches@atmel.com>
Signed-off-by: default avatarVinod Koul <vinod.koul@intel.com>
parent bd2c6636

drivers/dma/at_xdmac.c

+0 −2
Original line number Diff line number Diff line
@@ -221,7 +221,6 @@ struct at_xdmac { 
	int			irq;

	struct clk		*clk;

	u32			save_gim;

	u32			save_gs;

	struct dma_pool		*at_xdmac_desc_pool;

	struct at_xdmac_chan	chan[0];

};
@@ -1895,7 +1894,6 @@ static int atmel_xdmac_resume(struct device *dev) 
	}



	at_xdmac_write(atxdmac, AT_XDMAC_GIE, atxdmac->save_gim);

	at_xdmac_write(atxdmac, AT_XDMAC_GE, atxdmac->save_gs);

	list_for_each_entry_safe(chan, _chan, &atxdmac->dma.channels, device_node) {

		atchan = to_at_xdmac_chan(chan);

		at_xdmac_chan_write(atchan, AT_XDMAC_CC, atchan->save_cc);