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SubjectRe: [PATCH net] net: dsa: sja1105: Fix parameters order in sja1110_pcs_mdio_write_c45()
On Tue Apr 2, 2024 at 8:33 PM CEST, Christophe JAILLET wrote:
> The definition and declaration of sja1110_pcs_mdio_write_c45() don't have
> parameters in the same order.
>
> Knowing that sja1110_pcs_mdio_write_c45() is used as a function pointer
> in 'sja1105_info' structure with .pcs_mdio_write_c45, and that we have:
>
> int (*pcs_mdio_write_c45)(struct mii_bus *bus, int phy, int mmd,
> int reg, u16 val);
>
> it is likely that the definition is the one to change.

See also "struct mii_bus":

/** @write_c45: Perform a C45 write transfer on the bus */
int (*write_c45)(struct mii_bus *bus, int addr, int devnum,
int regnum, u16 val);

>
> Found with cppcheck, funcArgOrderDifferent.
>
> Fixes: ae271547bba6 ("net: dsa: sja1105: C45 only transactions for PCS")

> Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
> ---
> Compile tested only.
> ---
> drivers/net/dsa/sja1105/sja1105_mdio.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/net/dsa/sja1105/sja1105_mdio.c b/drivers/net/dsa/sja1105/sja1105_mdio.c
> index 833e55e4b961..52ddb4ef259e 100644
> --- a/drivers/net/dsa/sja1105/sja1105_mdio.c
> +++ b/drivers/net/dsa/sja1105/sja1105_mdio.c
> @@ -94,7 +94,7 @@ int sja1110_pcs_mdio_read_c45(struct mii_bus *bus, int phy, int mmd, int reg)
> return tmp & 0xffff;
> }
>
> -int sja1110_pcs_mdio_write_c45(struct mii_bus *bus, int phy, int reg, int mmd,
> +int sja1110_pcs_mdio_write_c45(struct mii_bus *bus, int phy, int mmd, int reg,
> u16 val)

Reviewed-by: Michael Walle <mwalle@kernel.org>

Vladimir, do you happen to know if some of your boards will use this
function? Just wondering because it was never noticed.

-michael

> {
> struct sja1105_mdio_private *mdio_priv = bus->priv;

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