From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Daney Subject: Re: [PATCH] ahci: use pci_alloc_irq_vectors Date: Mon, 24 Oct 2016 13:29:45 -0700 Message-ID: <580E6F39.5020207@caviumnetworks.com> References: <1473088905-27670-1-git-send-email-hch@lst.de> <1473088905-27670-2-git-send-email-hch@lst.de> <20160906163946.GB24268@htj.duckdns.org> <20161020154722.GH22012@rric.localdomain> <20161021125918.GA18082@lst.de> <20161021140106.GU25086@rric.localdomain> <20161022141123.GA25500@lst.de> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; Format="flowed" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20161022141123.GA25500@lst.de> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=m.gmane.org@lists.infradead.org To: Christoph Hellwig , Robert Richter Cc: Auger Eric , Marc Zyngier , linux-ide@vger.kernel.org, Robert Richter , dan.j.williamps@intel.com, Tejun Heo , linux-arm-kernel@lists.infradead.org List-Id: linux-ide@vger.kernel.org On 10/22/2016 07:11 AM, Christoph Hellwig wrote: > Hi Robert, > > is this a controller that's using MSI-X? > > If so can you try the patch below? > After better understanding your request, I applied this against: http://git.kernel.org/cgit/linux/kernel/git/tj/libata.git/log/?h=for-4.9-fixes (commit a478b097474cd9f2268ab1beaca74ff09e652b9b) This is now working on my ThunderX CRB-2S system. You can add: Tested-by: David Daney Thanks for taking the time to work through this. > diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c > index ba5f11c..5fe852d 100644 > --- a/drivers/ata/ahci.c > +++ b/drivers/ata/ahci.c > @@ -1617,7 +1617,7 @@ static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) > /* legacy intx interrupts */ > pci_intx(pdev, 1); > } > - hpriv->irq = pdev->irq; > + hpriv->irq = pci_irq_vector(pdev, 0); > > if (!(hpriv->cap & HOST_CAP_SSS) || ahci_ignore_sss) > host->flags |= ATA_HOST_PARALLEL_SCAN; > > _______________________________________________ > linux-arm-kernel mailing list > linux-arm-kernel@lists.infradead.org > http://lists.infradead.org/mailman/listinfo/linux-arm-kernel >