From: Lubomir Rintel Date: Mon, 1 Jun 2020 19:23:37 +0000 (+0200) Subject: dmaengine: mmp_pdma: Do not warn when IRQ is shared by all chans X-Git-Tag: v5.15~3160^2~1^2~61 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=5bc382ec2f94a7c1b2a8938c6ca99c26a6fe5f58;p=platform%2Fkernel%2Flinux-starfive.git dmaengine: mmp_pdma: Do not warn when IRQ is shared by all chans When there's a single interrupt for all the DMA channels, the unsuccessful attempt to request separate IRQs emits useless warnings: [ 1.370381] mmp-pdma d4000000.dma: IRQ index 1 not found ... [ 1.412398] mmp-pdma d4000000.dma: IRQ index 15 not found [ 1.418308] mmp-pdma d4000000.dma: initialized 16 channels Avoid that, treating the IRQs as optional. Signed-off-by: Lubomir Rintel Link: https://lore.kernel.org/r/20200601192337.172869-1-lkundrak@v3.sk Signed-off-by: Vinod Koul --- diff --git a/drivers/dma/mmp_pdma.c b/drivers/dma/mmp_pdma.c index ad06f26..41c542e 100644 --- a/drivers/dma/mmp_pdma.c +++ b/drivers/dma/mmp_pdma.c @@ -1060,7 +1060,7 @@ static int mmp_pdma_probe(struct platform_device *op) pdev->dma_channels = dma_channels; for (i = 0; i < dma_channels; i++) { - if (platform_get_irq(op, i) > 0) + if (platform_get_irq_optional(op, i) > 0) irq_num++; }