netdev - Re: [PATCH net-next 10/11] net: stmmac: meson: switch to use set_clk_tx

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <f21edb2c-e49d-4448-a25d-fb75f44c902a@linaro.org>
Date: Thu, 27 Feb 2025 15:38:53 +0100
From: Neil Armstrong <neil.armstrong@...aro.org>
To: "Russell King (Oracle)" <linux@...linux.org.uk>
Cc: Andrew Lunn <andrew@...n.ch>, Heiner Kallweit <hkallweit1@...il.com>,
 Alexandre Torgue <alexandre.torgue@...s.st.com>,
 Andrew Lunn <andrew+netdev@...n.ch>, "David S. Miller"
 <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>,
 Jakub Kicinski <kuba@...nel.org>, Jerome Brunet <jbrunet@...libre.com>,
 Kevin Hilman <khilman@...libre.com>, linux-amlogic@...ts.infradead.org,
 linux-arm-kernel@...ts.infradead.org,
 linux-stm32@...md-mailman.stormreply.com,
 Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
 Maxime Coquelin <mcoquelin.stm32@...il.com>, netdev@...r.kernel.org,
 Paolo Abeni <pabeni@...hat.com>
Subject: Re: [PATCH net-next 10/11] net: stmmac: meson: switch to use
 set_clk_tx_rate() hook

On 27/02/2025 15:35, Russell King (Oracle) wrote:
> On Thu, Feb 27, 2025 at 03:18:22PM +0100, Neil Armstrong wrote:
>> Hi,
>>
>> On 27/02/2025 10:17, Russell King (Oracle) wrote:
>>> Switch from using the fix_mac_speed() hook to set_clk_tx_rate() to
>>> manage the transmit clock.
>>>
>>> Signed-off-by: Russell King (Oracle) <rmk+kernel@...linux.org.uk>
>>> ---
>>>    drivers/net/ethernet/stmicro/stmmac/dwmac-meson.c | 9 ++++++---
>>>    1 file changed, 6 insertions(+), 3 deletions(-)
>>>
>>> diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-meson.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-meson.c
>>> index b115b7873cef..07c504d07604 100644
>>> --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-meson.c
>>> +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-meson.c
>>> @@ -22,9 +22,10 @@ struct meson_dwmac {
>>>    	void __iomem	*reg;
>>>    };
>>> -static void meson6_dwmac_fix_mac_speed(void *priv, int speed, unsigned int mode)
>>> +static int meson6_dwmac_set_clk_tx_rate(void *bsp_priv, struct clk *clk_tx_i,
>>> +					phy_interface_t interface, int speed)
>>
>> You can keep priv as first argument name and remove the next changes
> 
> I *can* but I don't want to. Inside the bulk of the stmmac driver,
> "priv" is used with struct stmmac_priv. "plat_dat" is used with
> struct plat_stmmacenet_data.

Right, it's still an unrelated change in this case.

> 
> Having different parts of the driver use the same local variable
> name for different structures is confusing, and has already lead to
> errors. Consistency is key. This is called "bsp_priv" in
> struct plat_stmmacenet_data, and therefore it should be referred to
> as "bsp_priv".
> 
> I am not yet going to be doing a big rename, but it *will* come in
> time.
> 

Doing it in a big rename patch would be much better indeed.

Neil