linux-kernel - Re: [PATCH net v3] net: phy: intel-xway: enable integrated led functions

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Date:   Wed, 21 Apr 2021 23:25:34 +0200
From:   Martin Blumenstingl <martin.blumenstingl@...glemail.com>
To:     Martin Schiller <ms@....tdt.de>
Cc:     Hauke Mehrtens <hauke@...ke-m.de>, f.fainelli@...il.com,
        andrew@...n.ch, hkallweit1@...il.com, linux@...linux.org.uk,
        davem@...emloft.net, kuba@...nel.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH net v3] net: phy: intel-xway: enable integrated led functions

On Wed, Apr 21, 2021 at 7:51 AM Martin Schiller <ms@....tdt.de> wrote:
>
> The Intel xway phys offer the possibility to deactivate the integrated
> LED function and to control the LEDs manually.
> If this was set by the bootloader, it must be ensured that the
> integrated LED function is enabled for all LEDs when loading the driver.
>
> Before commit 6e2d85ec0559 ("net: phy: Stop with excessive soft reset")
> the LEDs were enabled by a soft-reset of the PHY (using
> genphy_soft_reset). Initialize the XWAY_MDIO_LED with it's default
> value (which is applied during a soft reset) instead of adding back
> the soft reset. This brings back the default LED configuration while
> still preventing an excessive amount of soft resets.
>
> Fixes: 6e2d85ec0559 ("net: phy: Stop with excessive soft reset")
> Signed-off-by: Martin Schiller <ms@....tdt.de>
Acked-by: Martin Blumenstingl <martin.blumenstingl@...glemail.com>