On 21:39 Thu 06 Sep , Eric Bénard wrote:
> since 99e72c8bbdbdc690025a5868d831f1fe79ad56fc on an i.MX51 based board,
> I get : "phy0: Link is up - 1000/Full". It seems miidev tries to probe
> the PHY to early and gets 0x3ffff which leads to the wrong capabilities
> setting.
>
> Signed-off-by: Eric Bénard <eric@xxxxxxxxxx>
Wait I going to drop this code instead of the phylib
Best Regards,
J.
> ---
> drivers/net/miidev.c | 33 +++++++++------------------------
> 1 files changed, 9 insertions(+), 24 deletions(-)
>
> diff --git a/drivers/net/miidev.c b/drivers/net/miidev.c
> index 75b53e3..e0f9d67 100644
> --- a/drivers/net/miidev.c
> +++ b/drivers/net/miidev.c
> @@ -131,6 +131,14 @@ int miidev_get_status(struct mii_device *mdev)
>
> status = ret & BMSR_LSTATUS ? MIIDEV_STATUS_IS_UP : 0;
>
> + if (ret & BMSR_ESTATEN) {
> + ret = mii_read(mdev, mdev->address, MII_ESTATUS);
> + if (ret < 0)
> + goto err_out;
> + if (ret & (ESTATUS_1000_TFULL | ESTATUS_1000_THALF))
> + mdev->capabilities = MIIDEV_CAPABLE_1000M;
> + }
> +
> ret = mii_read(mdev, mdev->address, MII_BMCR);
> if (ret < 0)
> goto err_out;
> @@ -239,27 +247,8 @@ static struct file_operations miidev_ops = {
> static int miidev_probe(struct device_d *dev)
> {
> struct mii_device *mdev = dev->priv;
> - int val;
> - int caps = 0;
>
> - val = mii_read(mdev, mdev->address, MII_PHYSID1);
> - if (val < 0 || val == 0xffff)
> - goto err_out;
> - val = mii_read(mdev, mdev->address, MII_PHYSID2);
> - if (val < 0 || val == 0xffff)
> - goto err_out;
> - val = mii_read(mdev, mdev->address, MII_BMSR);
> - if (val < 0)
> - goto err_out;
> - if (val & BMSR_ESTATEN) {
> - val = mii_read(mdev, mdev->address, MII_ESTATUS);
> - if (val < 0)
> - goto err_out;
> - if (val & (ESTATUS_1000_TFULL | ESTATUS_1000_THALF))
> - caps = MIIDEV_CAPABLE_1000M;
> - }
> -
> - mdev->capabilities = caps;
> + mdev->capabilities = 0;
> mdev->cdev.name = asprintf("phy%d", dev->id);
> mdev->cdev.size = 64;
> mdev->cdev.ops = &miidev_ops;
> @@ -268,10 +257,6 @@ static int miidev_probe(struct device_d *dev)
> devfs_create(&mdev->cdev);
> list_add_tail(&mdev->list, &miidev_list);
> return 0;
> -
> -err_out:
> - dev_err(dev, "cannot read PHY registers (addr %d)\n", mdev->address);
> - return -ENODEV;
> }
>
> static void miidev_remove(struct device_d *dev)
> --
> 1.7.7.6
>
>
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