[net PATCH v2] net: airoha: Fix wrong GDM4 register definition
Jacob Keller
jacob.e.keller at intel.com
Wed Jan 22 11:42:52 PST 2025
On 1/20/2025 7:41 AM, 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.
>
The wording of this first paragraph is a bit odd. I think the "Fix wrong
GDMA4 register definition" part is redundant with the title and makes
this feel like a run-on sentence. Anyways, not worth a re-roll.
Reviewed-by: Jacob Keller <jacob.e.keller at intel.com>
> 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.
>
> Fixes: 23020f049327 ("net: airoha: Introduce ethernet support for EN7581 SoC")
> Signed-off-by: Christian Marangi <ansuelsmth at gmail.com>
> Acked-by: Lorenzo Bianconi <lorenzo at kernel.org>
> ---
> Changes v2:
> - Target correct file (fix wrong downstream branch used)
>
> drivers/net/ethernet/mediatek/airoha_eth.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/net/ethernet/mediatek/airoha_eth.c b/drivers/net/ethernet/mediatek/airoha_eth.c
> index 415d784de741..09f448f29124 100644
> --- a/drivers/net/ethernet/mediatek/airoha_eth.c
> +++ b/drivers/net/ethernet/mediatek/airoha_eth.c
> @@ -266,11 +266,11 @@
> #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)
More information about the Linux-mediatek
mailing list