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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-08 04:17:39 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-08 04:17:39 +0000
commita51ea39b76ddbe91aa5ccf9f24762ef7c8b0d0cd (patch)
tree13f5692a56e72fd7da499f399ec0f91e68905c40 /drivers/dma/at_xdmac.c
parentAdding debian version 4.19.282-1. (diff)
downloadlinux-a51ea39b76ddbe91aa5ccf9f24762ef7c8b0d0cd.tar.xz
linux-a51ea39b76ddbe91aa5ccf9f24762ef7c8b0d0cd.zip
Merging upstream version 4.19.289.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/dma/at_xdmac.c')
-rw-r--r--drivers/dma/at_xdmac.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/dma/at_xdmac.c b/drivers/dma/at_xdmac.c
index a451ecae1..33ea7abd8 100644
--- a/drivers/dma/at_xdmac.c
+++ b/drivers/dma/at_xdmac.c
@@ -223,6 +223,7 @@ 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];
};
@@ -1878,6 +1879,7 @@ static int atmel_xdmac_suspend(struct device *dev)
}
}
atxdmac->save_gim = at_xdmac_read(atxdmac, AT_XDMAC_GIM);
+ atxdmac->save_gs = at_xdmac_read(atxdmac, AT_XDMAC_GS);
at_xdmac_off(atxdmac);
clk_disable_unprepare(atxdmac->clk);
@@ -1914,7 +1916,8 @@ static int atmel_xdmac_resume(struct device *dev)
at_xdmac_chan_write(atchan, AT_XDMAC_CNDC, atchan->save_cndc);
at_xdmac_chan_write(atchan, AT_XDMAC_CIE, atchan->save_cim);
wmb();
- at_xdmac_write(atxdmac, AT_XDMAC_GE, atchan->mask);
+ if (atxdmac->save_gs & atchan->mask)
+ at_xdmac_write(atxdmac, AT_XDMAC_GE, atchan->mask);
}
}
return 0;