Re: [PATCH v2 1/2] e1000e: Only disable ASPM on 82573L devices

From: Brandeburg, Jesse
Date: Thu Feb 11 2010 - 12:17:19 EST




On Thu, 11 Feb 2010, Matthew Garrett wrote:

> The 82537 errata and comment in e1000e_disable_l1aspm both agree that
> only 82537L devices are affected. Limit the L1 disable to them.

Hi Matthew, its a nitpick, but can you please change the part number to
the correct one? it should be s/82537/82573


> Signed-off-by: Matthew Garrett <mjg@xxxxxxxxxx>
> ---
> drivers/net/e1000e/netdev.c | 4 ++++
> 1 files changed, 4 insertions(+), 0 deletions(-)
>
> diff --git a/drivers/net/e1000e/netdev.c b/drivers/net/e1000e/netdev.c
> index 57f149b..27eed81 100644
> --- a/drivers/net/e1000e/netdev.c
> +++ b/drivers/net/e1000e/netdev.c
> @@ -4642,6 +4642,10 @@ static void e1000e_disable_l1aspm(struct pci_dev *pdev)
> * Unfortunately this feature saves about 1W power consumption when
> * active.
> */
> +
> + if (pdev->device != E1000_DEV_ID_82573L)
> + return;
> +
> pos = pci_find_capability(pdev, PCI_CAP_ID_EXP);
> pci_read_config_word(pdev, pos + PCI_EXP_LNKCTL, &val);
> if (val & 0x2) {
>
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