According to the TJA1103 user manual, the bit for the reversed role in MII
or RMII modes is bit 4.

Cc: <stable@vger.kernel.org> # 5.15+
Signed-off-by: Radu Pirea (OSS) <radu-nicolae.pirea@oss.nxp.com>
---
 drivers/net/phy/nxp-c45-tja11xx.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/phy/nxp-c45-tja11xx.c b/drivers/net/phy/nxp-c45-tja11xx.c
index 047c581457e3..5813b07242ce 100644
--- a/drivers/net/phy/nxp-c45-tja11xx.c
+++ b/drivers/net/phy/nxp-c45-tja11xx.c
@@ -79,7 +79,7 @@
 #define SGMII_ABILITY			BIT(0)
 
 #define VEND1_MII_BASIC_CONFIG		0xAFC6
-#define MII_BASIC_CONFIG_REV		BIT(8)
+#define MII_BASIC_CONFIG_REV		BIT(4)
 #define MII_BASIC_CONFIG_SGMII		0x9
 #define MII_BASIC_CONFIG_RGMII		0x7
 #define MII_BASIC_CONFIG_RMII		0x5
-- 
2.34.1

Hello:

This patch was applied to netdev/net.git (main)
by Jakub Kicinski <kuba@kernel.org>:

On Thu,  9 Mar 2023 12:01:11 +0200 you wrote:
> According to the TJA1103 user manual, the bit for the reversed role in MII
> or RMII modes is bit 4.
> 
> Cc: <stable@vger.kernel.org> # 5.15+
> Signed-off-by: Radu Pirea (OSS) <radu-nicolae.pirea@oss.nxp.com>
> ---
>  drivers/net/phy/nxp-c45-tja11xx.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

Here is the summary with links:
  - [net] net: phy: nxp-c45-tja11xx: fix MII_BASIC_CONFIG_REV bit
    https://git.kernel.org/netdev/net/c/8ba572052a4b

You are awesome, thank you!
-- 
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On Thu, Mar 09, 2023 at 12:01:11PM +0200, Radu Pirea (OSS) wrote:
> According to the TJA1103 user manual, the bit for the reversed role in MII
> or RMII modes is bit 4.
> 
> Cc: <stable@vger.kernel.org> # 5.15+

I think this should include:

Fixes: b050f2f15e04 ("phy: nxp-c45: add driver for tja1103")

> Signed-off-by: Radu Pirea (OSS) <radu-nicolae.pirea@oss.nxp.com>
> ---
>  drivers/net/phy/nxp-c45-tja11xx.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/net/phy/nxp-c45-tja11xx.c b/drivers/net/phy/nxp-c45-tja11xx.c
> index 047c581457e3..5813b07242ce 100644
> --- a/drivers/net/phy/nxp-c45-tja11xx.c
> +++ b/drivers/net/phy/nxp-c45-tja11xx.c
> @@ -79,7 +79,7 @@
>  #define SGMII_ABILITY			BIT(0)
>  
>  #define VEND1_MII_BASIC_CONFIG		0xAFC6
> -#define MII_BASIC_CONFIG_REV		BIT(8)
> +#define MII_BASIC_CONFIG_REV		BIT(4)
>  #define MII_BASIC_CONFIG_SGMII		0x9
>  #define MII_BASIC_CONFIG_RGMII		0x7
>  #define MII_BASIC_CONFIG_RMII		0x5
> -- 
> 2.34.1
>