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From: Lorenzo Bianconi <lorenzo@kernel.org>
To: Christian Marangi <ansuelsmth@gmail.com>
Cc: Felix Fietkau <nbd@nbd.name>, Sean Wang <sean.wang@mediatek.com>,
	Andrew Lunn <andrew+netdev@lunn.ch>,
	"David S. Miller" <davem@davemloft.net>,
	Eric Dumazet <edumazet@google.com>,
	Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
	Matthias Brugger <matthias.bgg@gmail.com>,
	AngeloGioacchino Del Regno
	<angelogioacchino.delregno@collabora.com>,
	netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	linux-mediatek@lists.infradead.org, upstream@airoha.com
Subject: Re: [net PATCH] net: airoha: Fix wrong GDM4 register definition
Date: Fri, 17 Jan 2025 18:03:28 +0100	[thread overview]
Message-ID: <Z4qNYBWBFn-Adbli@lore-desk> (raw)
In-Reply-To: <20250117155257.19263-1-ansuelsmth@gmail.com>

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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@kernel.org>

> 
> Fixes: 23020f049327 ("net: airoha: Introduce ethernet support for EN7581 SoC")
> Signed-off-by: Christian Marangi <ansuelsmth@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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  reply	other threads:[~2025-01-17 17:03 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-01-17 15:52 [net PATCH] net: airoha: Fix wrong GDM4 register definition Christian Marangi
2025-01-17 17:03 ` Lorenzo Bianconi [this message]
2025-01-19  1:36 ` Jakub Kicinski

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