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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-07 02:18:06 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-07 02:18:06 +0000 |
| commit | dbbf0dcdfc9a5d90d5146bb195fce97064d92c76 (patch) | |
| tree | bab1434b47a284ca2893dcc0b908d1b95d982e7c /drivers/dma/idma64.c | |
| parent | Adding upstream version 6.1.85. (diff) | |
| download | linux-dbbf0dcdfc9a5d90d5146bb195fce97064d92c76.tar.xz linux-dbbf0dcdfc9a5d90d5146bb195fce97064d92c76.zip | |
Adding upstream version 6.1.90.upstream/6.1.90upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/dma/idma64.c')
| -rw-r--r-- | drivers/dma/idma64.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/dma/idma64.c b/drivers/dma/idma64.c index f4c07ad3b..af8777a1e 100644 --- a/drivers/dma/idma64.c +++ b/drivers/dma/idma64.c @@ -167,6 +167,10 @@ static irqreturn_t idma64_irq(int irq, void *dev) u32 status_err; unsigned short i; + /* Since IRQ may be shared, check if DMA controller is powered on */ + if (status == GENMASK(31, 0)) + return IRQ_NONE; + dev_vdbg(idma64->dma.dev, "%s: status=%#x\n", __func__, status); /* Check if we have any interrupt from the DMA controller */ |