From: Julia Lawall <julia.lawall-L2FTfq7BK8M@public.gmane.org>
Cc: Vinod Koul <vinod.koul-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>,
Rob Herring <robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
Mark Rutland <mark.rutland-5wv7dgnIgG8@public.gmane.org>,
Maxime Coquelin
<mcoquelin.stm32-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
Alexandre Torgue <alexandre.torgue-qxv4g6HH51o@public.gmane.org>,
Russell King <linux-I+IVW8TIWO2tmTQ+vhA3Yw@public.gmane.org>,
Dan Williams
<dan.j.williams-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>,
M'boumba Cedric Madianga
<cedric.madianga-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
Fabrice GASNIER <fabrice.gasnier-qxv4g6HH51o@public.gmane.org>,
Herbert Xu
<herbert-lOAM2aK0SrRLBo1qDEOMRrpzq4S04n8Q@public.gmane.org>,
Fabien DESSENNE <fabien.dessenne-qxv4g6HH51o@public.gmane.org>,
Amelie Delaunay <amelie.delaunay-qxv4g6HH51o@public.gmane.org>,
Pierre-Yves MORDRET
<pierre-yves.mordret-qxv4g6HH51o@public.gmane.org>,
dmaengine-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
kbuild-all-JC7UmRfGjtg@public.gmane.org
Subject: Re: [PATCH v2 2/4] dmaengine: Add STM32 MDMA driver (fwd)
Date: Sat, 8 Jul 2017 08:14:51 +0200 (CEST) [thread overview]
Message-ID: <alpine.DEB.2.20.1707080813400.1971@hadrien> (raw)
Please check on the comparison on line 1489.
julia
---------- Forwarded message ----------
Date: Sat, 8 Jul 2017 10:13:09 +0800
From: kbuild test robot <fengguang.wu-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
To: kbuild-JC7UmRfGjtg@public.gmane.org
Cc: Julia Lawall <julia.lawall-L2FTfq7BK8M@public.gmane.org>
Subject: Re: [PATCH v2 2/4] dmaengine: Add STM32 MDMA driver
Hi Pierre-Yves,
[auto build test WARNING on linus/master]
[also build test WARNING on v4.12 next-20170707]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
url: https://github.com/0day-ci/linux/commits/Pierre-Yves-MORDRET/Add-STM32-MDMA-driver/20170708-013345
:::::: branch date: 9 hours ago
:::::: commit date: 9 hours ago
>> drivers/dma/stm32-mdma.c:1489:5-16: WARNING: Unsigned expression compared with zero: dmadev -> irq < 0
git remote add linux-review https://github.com/0day-ci/linux
git remote update linux-review
git checkout c6b3687d964d5a49aa0f297918bf26f6cb7444db
vim +1489 drivers/dma/stm32-mdma.c
c6b3687d Pierre-Yves MORDRET 2017-07-06 1473 BIT(DMA_SLAVE_BUSWIDTH_8_BYTES);
c6b3687d Pierre-Yves MORDRET 2017-07-06 1474 dd->directions = BIT(DMA_DEV_TO_MEM) | BIT(DMA_MEM_TO_DEV) |
c6b3687d Pierre-Yves MORDRET 2017-07-06 1475 BIT(DMA_MEM_TO_MEM);
c6b3687d Pierre-Yves MORDRET 2017-07-06 1476 dd->residue_granularity = DMA_RESIDUE_GRANULARITY_BURST;
c6b3687d Pierre-Yves MORDRET 2017-07-06 1477 dd->max_burst = STM32_MDMA_MAX_BURST;
c6b3687d Pierre-Yves MORDRET 2017-07-06 1478 dd->dev = &pdev->dev;
c6b3687d Pierre-Yves MORDRET 2017-07-06 1479 INIT_LIST_HEAD(&dd->channels);
c6b3687d Pierre-Yves MORDRET 2017-07-06 1480
c6b3687d Pierre-Yves MORDRET 2017-07-06 1481 for (i = 0; i < dmadev->nr_channels; i++) {
c6b3687d Pierre-Yves MORDRET 2017-07-06 1482 chan = &dmadev->chan[i];
c6b3687d Pierre-Yves MORDRET 2017-07-06 1483 chan->id = i;
c6b3687d Pierre-Yves MORDRET 2017-07-06 1484 chan->vchan.desc_free = stm32_mdma_desc_free;
c6b3687d Pierre-Yves MORDRET 2017-07-06 1485 vchan_init(&chan->vchan, dd);
c6b3687d Pierre-Yves MORDRET 2017-07-06 1486 }
c6b3687d Pierre-Yves MORDRET 2017-07-06 1487
c6b3687d Pierre-Yves MORDRET 2017-07-06 1488 dmadev->irq = platform_get_irq(pdev, 0);
c6b3687d Pierre-Yves MORDRET 2017-07-06 @1489 if (dmadev->irq < 0) {
c6b3687d Pierre-Yves MORDRET 2017-07-06 1490 dev_err(&pdev->dev, "failed to get IRQ\n");
c6b3687d Pierre-Yves MORDRET 2017-07-06 1491 return dmadev->irq;
c6b3687d Pierre-Yves MORDRET 2017-07-06 1492 }
c6b3687d Pierre-Yves MORDRET 2017-07-06 1493
c6b3687d Pierre-Yves MORDRET 2017-07-06 1494 ret = devm_request_irq(&pdev->dev, dmadev->irq, stm32_mdma_irq_handler,
c6b3687d Pierre-Yves MORDRET 2017-07-06 1495 0, dev_name(&pdev->dev), dmadev);
c6b3687d Pierre-Yves MORDRET 2017-07-06 1496 if (ret) {
c6b3687d Pierre-Yves MORDRET 2017-07-06 1497 dev_err(&pdev->dev, "failed to request IRQ\n");
---
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next reply other threads:[~2017-07-08 6:14 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-07-08 6:14 Julia Lawall [this message]
2017-07-21 8:04 ` [PATCH v2 2/4] dmaengine: Add STM32 MDMA driver (fwd) Vinod Koul
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