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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-08 04:17:38 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-08 04:17:38 +0000 |
| commit | 9db339b27f903add3e85b6448c6ca4681450c187 (patch) | |
| tree | 2e9f25d374e0b322841a7cabe8100b5b52c0e69d /drivers/dma/at_xdmac.c | |
| parent | Adding upstream version 4.19.282. (diff) | |
| download | linux-upstream/4.19.289.tar.xz linux-upstream/4.19.289.zip | |
Adding upstream version 4.19.289.upstream/4.19.289
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
| -rw-r--r-- | drivers/dma/at_xdmac.c | 5 |
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; |