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SubjectRe: [PATCH] alx: Reset phy speed after resume
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On Thu, 2013-11-14 at 17:16 +0100, hahnjo wrote:
> From 27744b24f9291782c1342dbd6cac511e68da907c Mon Sep 17 00:00:00 2001
> From: hahnjo <hahnjo@hahnjo.de>
> Date: Tue, 12 Nov 2013 18:19:24 +0100
> Subject: [PATCH] alx: Reset phy speed after resume
>
> This fixes bug 62491 (https://bugzilla.kernel.org/show_bug.cgi?id=62491).
> After resuming some users got the following error flooding the kernel log:
> alx 0000:02:00.0: invalid PHY speed/duplex: 0xffff
>
> Signed-off-by: Jonas Hahnfeld <linux@hahnjo.de>
> ---
> drivers/net/ethernet/atheros/alx/main.c | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/drivers/net/ethernet/atheros/alx/main.c b/drivers/net/ethernet/atheros/alx/main.c
> index fc95b23..6305a5d 100644
> --- a/drivers/net/ethernet/atheros/alx/main.c
> +++ b/drivers/net/ethernet/atheros/alx/main.c
> @@ -1389,6 +1389,9 @@ static int alx_resume(struct device *dev)
> {
> struct pci_dev *pdev = to_pci_dev(dev);
> struct alx_priv *alx = pci_get_drvdata(pdev);
> + struct alx_hw *hw = &alx->hw;
> +
> + alx_reset_phy(hw);
>
> if (!netif_running(alx->dev))
> return 0;

Perhaps this would help too:
---
drivers/net/ethernet/atheros/alx/hw.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/atheros/alx/hw.c b/drivers/net/ethernet/atheros/alx/hw.c
index 1e8c24a..3396224 100644
--- a/drivers/net/ethernet/atheros/alx/hw.c
+++ b/drivers/net/ethernet/atheros/alx/hw.c
@@ -908,7 +908,8 @@ int alx_read_phy_link(struct alx_hw *hw)
return 0;

wrong_speed:
- dev_err(&pdev->dev, "invalid PHY speed/duplex: 0x%x\n", giga);
+ dev_err_ratelimited(&pdev->dev, "invalid PHY speed/duplex: 0x%x\n",
+ giga);
return -EINVAL;
}




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