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From: Rob Herring <robh@kernel.org>
To: Srinath Mannam <srinath.mannam@broadcom.com>
Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>,
	Bjorn Helgaas <bhelgaas@google.com>, Ray Jui <rjui@broadcom.com>,
	linux-pci@vger.kernel.org, bcm-kernel-feedback-list@broadcom.com,
	linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v2 3/3] PCI: iproc: Display PCIe Link information
Date: Wed, 16 Sep 2020 19:52:45 -0600	[thread overview]
Message-ID: <20200917015245.GA678675@bogus> (raw)
In-Reply-To: <20200915134541.14711-4-srinath.mannam@broadcom.com>

On Tue, Sep 15, 2020 at 07:15:41PM +0530, Srinath Mannam wrote:
> 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);
> +	}

If this information is useful for 1 host implementation, why not all of 
them and put this in a common spot.

Rob

  reply	other threads:[~2020-09-17  1:52 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 ` [PATCH v2 3/3] PCI: iproc: Display PCIe Link information Srinath Mannam
2020-09-17  1:52   ` Rob Herring [this message]
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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