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>

diff --git a/drivers/dma/at_xdmac.c b/drivers/dma/at_xdmac.c
index 40287ff..7d4e0bc 100644 (file)
--- a/drivers/dma/at_xdmac.c
+++ b/drivers/dma/at_xdmac.c
@@ -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);