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Message-ID: <e7371ff0-0c45-4c41-8baa-31cef01fbf0d@arinc9.com>
Date: Sun, 4 Feb 2024 21:10:04 +0300
From: Arınç ÜNAL <arinc.unal@...nc9.com>
To: Daniel Golle <daniel@...rotopia.org>, DENG Qingfang <dqfext@...il.com>,
Sean Wang <sean.wang@...iatek.com>, Andrew Lunn <andrew@...n.ch>,
Florian Fainelli <f.fainelli@...il.com>, Vladimir Oltean
<olteanv@...il.com>, "David S. Miller" <davem@...emloft.net>,
Eric Dumazet <edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>,
Paolo Abeni <pabeni@...hat.com>, Matthias Brugger <matthias.bgg@...il.com>,
AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>,
Russell King <linux@...linux.org.uk>
Cc: mithat.guner@...ont.com, erkin.bozoglu@...ont.com,
Bartel Eerdekens <bartel.eerdekens@...stell8.be>, netdev@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-mediatek@...ts.infradead.org,
"Russell King (Oracle)" <rmk+kernel@...linux.org.uk>
Subject: Re: [PATCH net-next v4 4/7] net: dsa: mt7530: call port 6 setup from
mt7530_mac_config()
On 4.02.2024 19:34, Arınç ÜNAL via B4 Relay wrote:
> From: Arınç ÜNAL <arinc.unal@...nc9.com>
>
> mt7530_pad_clk_setup() is called if port 6 is enabled. It used to do more
> things than setting up port 6. That part was moved to more appropriate
> locations, mt7530_setup() and mt7530_pll_setup().
>
> Now that all it does is set up port 6, rename it to mt7530_setup_port6(),
> and move it to a more appropriate location, under mt7530_mac_config().
>
> Change mt7530_setup_port6() to void as there're no error cases.
>
> Leave an empty mt7530_pad_clk_setup() to satisfy the pad_setup function
> pointer.
>
> This is the code path for setting up the ports before:
>
> dsa_switch_ops :: phylink_mac_config() -> mt753x_phylink_mac_config()
> -> mt753x_mac_config()
> -> mt753x_info :: mac_port_config() -> mt7530_mac_config()
> -> mt7530_setup_port5()
> -> mt753x_pad_setup()
> -> mt753x_info :: pad_setup() -> mt7530_pad_clk_setup()
>
> This is after:
>
> dsa_switch_ops :: phylink_mac_config() -> mt753x_phylink_mac_config()
> -> mt753x_mac_config()
> -> mt753x_info :: mac_port_config() -> mt7530_mac_config()
> -> mt7530_setup_port5()
> -> mt7530_setup_port6()
>
> Reviewed-by: Vladimir Oltean <olteanv@...il.com>
> Reviewed-by: Russell King (Oracle) <rmk+kernel@...linux.org.uk>
> Signed-off-by: Arınç ÜNAL <arinc.unal@...nc9.com>
> ---
> drivers/net/dsa/mt7530.c | 17 ++++++++++-------
> 1 file changed, 10 insertions(+), 7 deletions(-)
>
> diff --git a/drivers/net/dsa/mt7530.c b/drivers/net/dsa/mt7530.c
> index 82e90da1e52b..18842c759b63 100644
> --- a/drivers/net/dsa/mt7530.c
> +++ b/drivers/net/dsa/mt7530.c
> @@ -414,8 +414,8 @@ mt753x_preferred_default_local_cpu_port(struct dsa_switch *ds)
> }
>
> /* Setup port 6 interface mode and TRGMII TX circuit */
> -static int
> -mt7530_pad_clk_setup(struct dsa_switch *ds, phy_interface_t interface)
> +static void
> +mt7530_setup_port6(struct dsa_switch *ds, phy_interface_t interface)
> {
> struct mt7530_priv *priv = ds->priv;
> u32 ncpo1, ssc_delta, xtal;
> @@ -465,7 +465,11 @@ mt7530_pad_clk_setup(struct dsa_switch *ds, phy_interface_t interface)
>
> /* Enable the MT7530 TRGMII clocks */
> core_set(priv, CORE_TRGMII_GSW_CLK_CG, REG_TRGMIICK_EN);
> +}
>
> +static int
> +mt7530_pad_clk_setup(struct dsa_switch *ds, phy_interface_t interface)
> +{
> return 0;
> }
>
> @@ -2613,11 +2617,10 @@ mt7530_mac_config(struct dsa_switch *ds, int port, unsigned int mode,
> {
> struct mt7530_priv *priv = ds->priv;
>
> - /* Only need to setup port5. */
> - if (port != 5)
> - return 0;
> -
> - mt7530_setup_port5(priv->ds, interface);
> + if (port == 5) {
Stray brace, will remove.
Arınç
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