Message ID | 20170830142454.10971-2-jglauber@cavium.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show
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[46.223.66.184]) by smtp.gmail.com with ESMTPSA id p105sm97012wrc.64.2017.08.30.07.25.08 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Wed, 30 Aug 2017 07:25:09 -0700 (PDT) From: Jan Glauber <jglauber@cavium.com> To: Bjorn Helgaas <bhelgaas@google.com> Subject: [PATCH v3 1/3] PCI: Allow PCI_DEV_FLAGS_NO_BUS_RESET to be used on bus device Date: Wed, 30 Aug 2017 16:24:52 +0200 Message-Id: <20170830142454.10971-2-jglauber@cavium.com> X-Mailer: git-send-email 2.9.0.rc0.21.g7777322 In-Reply-To: <20170830142454.10971-1-jglauber@cavium.com> References: <20170830142454.10971-1-jglauber@cavium.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20170830_072532_778374_714D6B6C X-CRM114-Status: GOOD ( 10.44 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: <linux-arm-kernel.lists.infradead.org> List-Unsubscribe: <http://lists.infradead.org/mailman/options/linux-arm-kernel>, <mailto:linux-arm-kernel-request@lists.infradead.org?subject=unsubscribe> List-Archive: <http://lists.infradead.org/pipermail/linux-arm-kernel/> List-Post: <mailto:linux-arm-kernel@lists.infradead.org> List-Help: <mailto:linux-arm-kernel-request@lists.infradead.org?subject=help> List-Subscribe: <http://lists.infradead.org/mailman/listinfo/linux-arm-kernel>, <mailto:linux-arm-kernel-request@lists.infradead.org?subject=subscribe> Cc: kvm@vger.kernel.org, david.daney@cavium.com, linux-pci@vger.kernel.org, Jan Glauber <jglauber@cavium.com>, Robert Richter <robert.richter@cavium.com>, linux-kernel@vger.kernel.org, Alex Williamson <alex.williamson@redhat.com>, Jon Masters <jcm@redhat.com>, linux-arm-kernel@lists.infradead.org MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" <linux-arm-kernel-bounces@lists.infradead.org> Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP |
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index af0cc34..d9abbc9 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -4290,6 +4290,10 @@ static bool pci_bus_resetable(struct pci_bus *bus) { struct pci_dev *dev; + + if (bus->self && (bus->self->dev_flags & PCI_DEV_FLAGS_NO_BUS_RESET)) + return false; + list_for_each_entry(dev, &bus->devices, bus_list) { if (dev->dev_flags & PCI_DEV_FLAGS_NO_BUS_RESET || (dev->subordinate && !pci_bus_resetable(dev->subordinate)))