[net PATCH] net: airoha: Fix wrong GDM4 register definition

Lorenzo Bianconi lorenzo at kernel.org
Fri Jan 17 09:03:28 PST 2025


On Jan 17, Christian Marangi wrote:
> Fix wrong GDM4 register definition, in Airoha SDK GDM4 is defined at
> offset 0x2400 but this doesn't make sense as it does conflict with the
> CDM4 that is in the same location.
> 
> Following the pattern where each GDM base is at the FWD_CFG, currently
> GDM4 base offset is set to 0x2500. This is correct but REG_GDM4_FWD_CFG
> and REG_GDM4_SRC_PORT_SET are still using the SDK reference with the
> 0x2400 offset. Fix these 2 define by subtracting 0x100 to each register
> to reflect the real address location.

Acked-by: Lorenzo Bianconi <lorenzo at kernel.org>

> 
> Fixes: 23020f049327 ("net: airoha: Introduce ethernet support for EN7581 SoC")
> Signed-off-by: Christian Marangi <ansuelsmth at gmail.com>
> ---
>  drivers/net/ethernet/mediatek/airoha_regs.h | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/net/ethernet/mediatek/airoha_regs.h b/drivers/net/ethernet/mediatek/airoha_regs.h
> index e448b66b5334..30c96f679735 100644
> --- a/drivers/net/ethernet/mediatek/airoha_regs.h
> +++ b/drivers/net/ethernet/mediatek/airoha_regs.h
> @@ -249,11 +249,11 @@
>  #define REG_GDM3_FWD_CFG		GDM3_BASE
>  #define GDM3_PAD_EN_MASK		BIT(28)
>  
> -#define REG_GDM4_FWD_CFG		(GDM4_BASE + 0x100)
> +#define REG_GDM4_FWD_CFG		GDM4_BASE
>  #define GDM4_PAD_EN_MASK		BIT(28)
>  #define GDM4_SPORT_OFFSET0_MASK		GENMASK(11, 8)
>  
> -#define REG_GDM4_SRC_PORT_SET		(GDM4_BASE + 0x33c)
> +#define REG_GDM4_SRC_PORT_SET		(GDM4_BASE + 0x23c)
>  #define GDM4_SPORT_OFF2_MASK		GENMASK(19, 16)
>  #define GDM4_SPORT_OFF1_MASK		GENMASK(15, 12)
>  #define GDM4_SPORT_OFF0_MASK		GENMASK(11, 8)
> -- 
> 2.47.1
> 
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