Messages in this thread | | | Date | Thu, 12 Mar 2015 23:04:45 -0400 (EDT) | Subject | Re: [PATCH] net/macb: Only adjust tx_clk on link change | From | David Miller <> |
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From: Jaeden Amero <jaeden.amero@ni.com> Date: Thu, 12 Mar 2015 18:07:54 -0500
> The PHY state machine (in drivers/net/phy/phy.c) will unconditionally > call phydev->adjust_link (macb_handle_link_change) when polling in the > PHY_CHANGELINK state. As currently written, macb always ends up > requesting a new tx_clk frequency in macb_handle_link_change. It is a > waste of time to request a new tx_clk frequency if the link state hasn't > changed, as the tx_clk will already be configured properly. > > Let's only request a new tx_clk clock frequency when necessary. > > Signed-off-by: Jaeden Amero <jaeden.amero@ni.com>
Applied to net-next, thanks.
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