2024-05-21 06:54:50

by Mathieu Othacehe

[permalink] [raw]
Subject: [PATCH] net: phy: micrel: set soft_reset callback to genphy_soft_reset for KSZ8061

Following a similar reinstate for the KSZ8081 and KSZ9031.

Older kernels would use the genphy_soft_reset if the PHY did not implement
a .soft_reset.

The KSZ8061 errata described here:
https://ww1.microchip.com/downloads/en/DeviceDoc/KSZ8061-Errata-DS80000688B.pdf
and worked around with 232ba3a51c ("net: phy: Micrel KSZ8061: link failure after cable connect")
is back again without this soft reset.

Fixes: 6e2d85ec0559 ("net: phy: Stop with excessive soft reset")
Tested-by: Karim Ben Houcine <[email protected]>
Signed-off-by: Mathieu Othacehe <[email protected]>
---
drivers/net/phy/micrel.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/drivers/net/phy/micrel.c b/drivers/net/phy/micrel.c
index 13e30ea7eec5..1d769322b059 100644
--- a/drivers/net/phy/micrel.c
+++ b/drivers/net/phy/micrel.c
@@ -5327,6 +5327,7 @@ static struct phy_driver ksphy_driver[] = {
/* PHY_BASIC_FEATURES */
.probe = kszphy_probe,
.config_init = ksz8061_config_init,
+ .soft_reset = genphy_soft_reset,
.config_intr = kszphy_config_intr,
.handle_interrupt = kszphy_handle_interrupt,
.suspend = kszphy_suspend,
--
2.41.0



2024-05-23 09:54:07

by Paolo Abeni

[permalink] [raw]
Subject: Re: [PATCH] net: phy: micrel: set soft_reset callback to genphy_soft_reset for KSZ8061

On Tue, 2024-05-21 at 08:54 +0200, Mathieu Othacehe wrote:
> Following a similar reinstate for the KSZ8081 and KSZ9031.
>
> Older kernels would use the genphy_soft_reset if the PHY did not implement
> a .soft_reset.
>
> The KSZ8061 errata described here:
> https://ww1.microchip.com/downloads/en/DeviceDoc/KSZ8061-Errata-DS80000688B.pdf
> and worked around with 232ba3a51c ("net: phy: Micrel KSZ8061: link failure after cable connect")
> is back again without this soft reset.
>
> Fixes: 6e2d85ec0559 ("net: phy: Stop with excessive soft reset")
> Tested-by: Karim Ben Houcine <[email protected]>
> Signed-off-by: Mathieu Othacehe <[email protected]>

LGTM, but waiting a little longer for anyone from phy crew to ack it.

Thanks,

Paolo


2024-05-23 14:16:20

by Andrew Lunn

[permalink] [raw]
Subject: Re: [PATCH] net: phy: micrel: set soft_reset callback to genphy_soft_reset for KSZ8061

On Tue, May 21, 2024 at 08:54:06AM +0200, Mathieu Othacehe wrote:
> Following a similar reinstate for the KSZ8081 and KSZ9031.
>
> Older kernels would use the genphy_soft_reset if the PHY did not implement
> a .soft_reset.
>
> The KSZ8061 errata described here:
> https://ww1.microchip.com/downloads/en/DeviceDoc/KSZ8061-Errata-DS80000688B.pdf
> and worked around with 232ba3a51c ("net: phy: Micrel KSZ8061: link failure after cable connect")
> is back again without this soft reset.
>
> Fixes: 6e2d85ec0559 ("net: phy: Stop with excessive soft reset")
> Tested-by: Karim Ben Houcine <[email protected]>
> Signed-off-by: Mathieu Othacehe <[email protected]>

Reviewed-by: Andrew Lunn <[email protected]>

Andrew

2024-05-23 15:30:58

by Florian Fainelli

[permalink] [raw]
Subject: Re: [PATCH] net: phy: micrel: set soft_reset callback to genphy_soft_reset for KSZ8061



On 5/20/2024 11:54 PM, Mathieu Othacehe wrote:
> Following a similar reinstate for the KSZ8081 and KSZ9031.
>
> Older kernels would use the genphy_soft_reset if the PHY did not implement
> a .soft_reset.
>
> The KSZ8061 errata described here:
> https://ww1.microchip.com/downloads/en/DeviceDoc/KSZ8061-Errata-DS80000688B.pdf
> and worked around with 232ba3a51c ("net: phy: Micrel KSZ8061: link failure after cable connect")
> is back again without this soft reset.
>
> Fixes: 6e2d85ec0559 ("net: phy: Stop with excessive soft reset")
> Tested-by: Karim Ben Houcine <[email protected]>
> Signed-off-by: Mathieu Othacehe <[email protected]>

Reviewed-by: Florian Fainelli <[email protected]>
--
Florian

2024-05-24 11:40:39

by patchwork-bot+netdevbpf

[permalink] [raw]
Subject: Re: [PATCH] net: phy: micrel: set soft_reset callback to genphy_soft_reset for KSZ8061

Hello:

This patch was applied to netdev/net.git (main)
by David S. Miller <[email protected]>:

On Tue, 21 May 2024 08:54:06 +0200 you wrote:
> Following a similar reinstate for the KSZ8081 and KSZ9031.
>
> Older kernels would use the genphy_soft_reset if the PHY did not implement
> a .soft_reset.
>
> The KSZ8061 errata described here:
> https://ww1.microchip.com/downloads/en/DeviceDoc/KSZ8061-Errata-DS80000688B.pdf
> and worked around with 232ba3a51c ("net: phy: Micrel KSZ8061: link failure after cable connect")
> is back again without this soft reset.
>
> [...]

Here is the summary with links:
- net: phy: micrel: set soft_reset callback to genphy_soft_reset for KSZ8061
https://git.kernel.org/netdev/net/c/128d54fbcb14

You are awesome, thank you!
--
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