From: Srinath Mannam <srinath.mannam@broadcom.com>
To: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>,
Bjorn Helgaas <bhelgaas@google.com>, Ray Jui <rjui@broadcom.com>
Cc: bcm-kernel-feedback-list@broadcom.com, linux-pci@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org,
Srinath Mannam <srinath.mannam@broadcom.com>
Subject: [PATCH v2 3/3] PCI: iproc: Display PCIe Link information
Date: Tue, 15 Sep 2020 19:15:41 +0530 [thread overview]
Message-ID: <20200915134541.14711-4-srinath.mannam@broadcom.com> (raw)
In-Reply-To: <20200915134541.14711-1-srinath.mannam@broadcom.com>
After successful linkup more comprehensive information about PCIe link
speed and link width will be displayed to the console.
Signed-off-by: Srinath Mannam <srinath.mannam@broadcom.com>
---
drivers/pci/controller/pcie-iproc.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/drivers/pci/controller/pcie-iproc.c b/drivers/pci/controller/pcie-iproc.c
index cc5b7823edeb..8ef2d1fe392c 100644
--- a/drivers/pci/controller/pcie-iproc.c
+++ b/drivers/pci/controller/pcie-iproc.c
@@ -1479,6 +1479,7 @@ int iproc_pcie_setup(struct iproc_pcie *pcie, struct list_head *res)
{
struct device *dev;
int ret;
+ struct pci_dev *pdev;
struct pci_host_bridge *host = pci_host_bridge_from_priv(pcie);
dev = pcie->dev;
@@ -1542,6 +1543,11 @@ int iproc_pcie_setup(struct iproc_pcie *pcie, struct list_head *res)
goto err_power_off_phy;
}
+ for_each_pci_bridge(pdev, host->bus) {
+ if (pci_pcie_type(pdev) == PCI_EXP_TYPE_ROOT_PORT)
+ pcie_print_link_status(pdev);
+ }
+
return 0;
err_power_off_phy:
--
2.17.1
next prev parent reply other threads:[~2020-09-15 14:21 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-15 13:45 [PATCH v2 0/3] PCI: iproc: Add fixes to pcie iproc Srinath Mannam
2020-09-15 13:45 ` [PATCH v2 1/3] PCI: iproc: fix out of bound array access Srinath Mannam
2020-09-15 13:45 ` [PATCH v2 2/3] PCI: iproc: fix invalidating PAXB address mapping Srinath Mannam
2020-09-15 13:45 ` Srinath Mannam [this message]
2020-09-17 1:52 ` [PATCH v2 3/3] PCI: iproc: Display PCIe Link information Rob Herring
2020-09-17 3:12 ` Srinath Mannam
2020-09-16 22:08 ` [PATCH v2 0/3] PCI: iproc: Add fixes to pcie iproc Bjorn Helgaas
2020-09-17 2:44 ` Srinath Mannam
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