From: Bjorn Helgaas <bhelgaas@google.com>
To: Gavin Shan <gwshan@linux.vnet.ibm.com>
Cc: linux-pci@vger.kernel.org
Subject: Re: [PATCH v2] PCI: Make reset warning messages different
Date: Thu, 13 Nov 2014 10:32:10 -0700 [thread overview]
Message-ID: <20141113173210.GI5064@google.com> (raw)
In-Reply-To: <1415760111-12344-1-git-send-email-gwshan@linux.vnet.ibm.com>
On Wed, Nov 12, 2014 at 01:41:51PM +1100, Gavin Shan wrote:
> We have same warning message for FLR and AF FLR and users can't
> know which type of resets the PCI device is taking when there are
> pending transactions. The patch makes them different for FLR and
> AF FLR cases.
>
> Signed-off-by: Gavin Shan <gwshan@linux.vnet.ibm.com>
Applied to pci/misc for v3.19, thanks!
> ---
> v2: Adjusted messages according to Bjorn's suggestion
> ---
> drivers/pci/pci.c | 6 ++++--
> 1 file changed, 4 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
> index 625a4ac..3f12383 100644
> --- a/drivers/pci/pci.c
> +++ b/drivers/pci/pci.c
> @@ -3144,7 +3144,8 @@ static int pcie_flr(struct pci_dev *dev, int probe)
> return 0;
>
> if (!pci_wait_for_pending_transaction(dev))
> - dev_err(&dev->dev, "transaction is not cleared; proceeding with reset anyway\n");
> + dev_err(&dev->dev, "timed out waiting for pending transaction; "
> + "performing function level reset\n");
>
> pcie_capability_set_word(dev, PCI_EXP_DEVCTL, PCI_EXP_DEVCTL_BCR_FLR);
>
> @@ -3178,7 +3179,8 @@ static int pci_af_flr(struct pci_dev *dev, int probe)
> PCI_AF_STATUS_TP << 8))
> goto clear;
>
> - dev_err(&dev->dev, "transaction is not cleared; proceeding with reset anyway\n");
> + dev_err(&dev->dev, "timed out waiting for pending transaction; "
> + "performing AF function level reset\n");
>
> clear:
> pci_write_config_byte(dev, pos + PCI_AF_CTRL, PCI_AF_CTRL_FLR);
> --
> 1.8.3.2
>
prev parent reply other threads:[~2014-11-13 17:32 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-11-12 2:41 [PATCH v2] PCI: Make reset warning messages different Gavin Shan
2014-11-13 17:32 ` Bjorn Helgaas [this message]
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