Commit d3f8dc42 authored Dec 01, 2016 by Alexandre Belloni Committed by Vinod Koul Dec 06, 2016

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: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: Ludovic Desroches <ludovic.desroches@atmel.com>
Signed-off-by: Vinod 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);