[PATCH] net: macb: add tx clock rate for 10 MBit link

[PATCH] net: macb: add tx clock rate for 10 MBit link

[Michael Tretter]

If the phy reports a 10 MBit link, which can happen during link
negotiation, the macb prints a warning, because it does not know the
clock rate for the TX clock.

Implement setting the TX clock rate for 10 MBit to avoid the warnings.

Signed-off-by: Michael Tretter <m.tretter@pengutronix.de>
---
 drivers/net/macb.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/net/macb.c b/drivers/net/macb.c
index 188dbf2d8c15..14a0b45322bf 100644
--- a/drivers/net/macb.c
+++ b/drivers/net/macb.c
@@ -269,6 +269,9 @@ static int macb_set_tx_clk(struct macb_device *macb, int speed)
 	}
 
 	switch (speed) {
+	case SPEED_10:
+		rate = 2500000;
+		break;
 	case SPEED_100:
 		rate = 25000000;
 		break;
-- 
2.29.2


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Re: [PATCH] net: macb: add tx clock rate for 10 MBit link

[Sascha Hauer]

On Fri, Mar 19, 2021 at 05:26:05PM +0100, Michael Tretter wrote:
> If the phy reports a 10 MBit link, which can happen during link
> negotiation, the macb prints a warning, because it does not know the
> clock rate for the TX clock.
> 
> Implement setting the TX clock rate for 10 MBit to avoid the warnings.
> 
> Signed-off-by: Michael Tretter <m.tretter@pengutronix.de>
> ---

Applied, thanks

Sascha

>  drivers/net/macb.c | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/drivers/net/macb.c b/drivers/net/macb.c
> index 188dbf2d8c15..14a0b45322bf 100644
> --- a/drivers/net/macb.c
> +++ b/drivers/net/macb.c
> @@ -269,6 +269,9 @@ static int macb_set_tx_clk(struct macb_device *macb, int speed)
>  	}
>  
>  	switch (speed) {
> +	case SPEED_10:
> +		rate = 2500000;
> +		break;
>  	case SPEED_100:
>  		rate = 25000000;
>  		break;
> -- 
> 2.29.2
> 
> 
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> 

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