From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from pandora.armlinux.org.uk (pandora.armlinux.org.uk [78.32.30.218]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 7EC9433D4FD; Mon, 9 Mar 2026 09:40:16 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=78.32.30.218 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773049218; cv=none; b=Q27fvRTeZlmNmlLx30rJGTQouScoYp1QHosZ2iWXKZ6XIdQHgwAsxMwY44ME8Y3lxVOWt7Ycj+lVxhUAp9X7ZEGh32QQjt/6YH62SP7gDvQPOOjTmJPbRxVi9GQEHSuHrnNVCx9JRr4OF3No3ADFzyiVV82WEuvU0ao42G8MY9Y= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773049218; c=relaxed/simple; bh=ii7GNtvbIIFIP0JpoqtPCe2CrL24uYO4CrYNNGHWIsI=; h=In-Reply-To:References:From:To:Cc:Subject:MIME-Version: Content-Disposition:Content-Type:Message-Id:Date; b=XobDwuU9S7VPR288YGNG3/aOvBrOKfs5UHTqJ+wxJgza5UFM4/o4rG3SFTtnCxPjgpqTP876PK9EEvMAo2Xsf1w+D+EucyvsD3t10a8u0pVbgAffdEyT4VftxkmDpzJlktVoIUk+myimMl4m5utmgp2OE0q/A/k7KCPdtsTw95s= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=armlinux.org.uk; spf=none smtp.mailfrom=armlinux.org.uk; dkim=pass (2048-bit key) header.d=armlinux.org.uk header.i=@armlinux.org.uk header.b=v4G7RkRm; arc=none smtp.client-ip=78.32.30.218 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=armlinux.org.uk Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=armlinux.org.uk Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=armlinux.org.uk header.i=@armlinux.org.uk header.b="v4G7RkRm" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=armlinux.org.uk; s=pandora-2019; h=Date:Sender:Message-Id:Content-Type: Content-Transfer-Encoding:MIME-Version:Subject:Cc:To:From:References: In-Reply-To:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help: List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=Rb/EL+ezeQrS78OpMW6WHBRGNWy12ObztGzPIs+46Uo=; b=v4G7RkRmx4Jjw+TF283B4kYROV hIbQR9+SisWfrlA7U5oO3011nFVHQmYi9Qox+/onh8rQ67gf1eU1CDcfLX6G2Mang24ALU8lW4jtv J6BSMmDU814yRA8uUHJ0E6a3jde1pFqVlRbLgS0G5K05/lIQ53fCURSU+8JgJ5rrgaz1oxD7PdU5G iDORomrBL9g9PrJCVH2aeacu3bqTOtZL/tKYDOrm0ly0Pk9vVdFulhy6Bx/lC36+/5RxHQFr+J7tF CkNx6aBHgoC5FTp8RhoC2OdFU6fQykPxx5hGFdVxOryuoAfG+zT8G/xugHxkNIW5z8rjr33WKTEyr iq20IHqA==; Received: from e0022681537dd.dyn.armlinux.org.uk ([fd8f:7570:feb6:1:222:68ff:fe15:37dd]:60972 helo=rmk-PC.armlinux.org.uk) by pandora.armlinux.org.uk with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.98.2) (envelope-from ) id 1vzX5S-000000003Uy-1YJn; Mon, 09 Mar 2026 09:39:42 +0000 Received: from rmk by rmk-PC.armlinux.org.uk with local (Exim 4.98.2) (envelope-from ) id 1vzX5P-0000000CVsK-0iwX; Mon, 09 Mar 2026 09:39:39 +0000 In-Reply-To: References: From: "Russell King (Oracle)" To: Andrew Lunn Cc: Alexandre Torgue , Andrew Lunn , AngeloGioacchino Del Regno , Chen-Yu Tsai , "David S. Miller" , Eric Dumazet , Frank Li , imx@lists.linux.dev, Jakub Kicinski , Jan Petrous , Jonathan Hunter , linux-arm-kernel@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-mediatek@lists.infradead.org, linux-stm32@st-md-mailman.stormreply.com, linux-sunxi@lists.linux.dev, linux-tegra@vger.kernel.org, Maxime Chevallier , Mohd Ayaan Anwar , netdev@vger.kernel.org, Paolo Abeni , Pengutronix Kernel Team , s32@nxp.com, Samuel Holland , Sascha Hauer , Yao Zi Subject: [PATCH net-next v2 5/7] net: stmmac: use u8 for host_dma_width and similar struct members Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Disposition: inline Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset="utf-8" Message-Id: Sender: Russell King Date: Mon, 09 Mar 2026 09:39:39 +0000 We aren't going to see >= 256-bit address busses soon, so reduce host_dma_width and associated other struct members that initialise this from u32 to u8. Signed-off-by: Russell King (Oracle) --- drivers/net/ethernet/stmicro/stmmac/dwmac-imx.c | 2 +- drivers/net/ethernet/stmicro/stmmac/dwmac-mediatek.c | 6 +++--- drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c | 2 +- include/linux/stmmac.h | 2 +- 4 files changed, 6 insertions(+), 6 deletions(-) diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-imx.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-imx.c index 9f5a15b81f8a..9d1bd72ffb73 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-imx.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-imx.c @@ -42,8 +42,8 @@ struct imx_priv_data; struct imx_dwmac_ops { - u32 addr_width; u32 flags; + u8 addr_width; bool mac_rgmii_txclk_auto_adj; int (*fix_soc_reset)(struct stmmac_priv *priv); diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-mediatek.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-mediatek.c index a139db6a8cbb..30ae0dba7fff 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-mediatek.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-mediatek.c @@ -93,9 +93,9 @@ struct mediatek_dwmac_variant { const char * const *clk_list; int num_clks; - u32 dma_bit_mask; u32 rx_delay_max; u32 tx_delay_max; + u8 dma_bit_mask; }; /* list of clocks required for mac */ @@ -268,9 +268,9 @@ static const struct mediatek_dwmac_variant mt2712_gmac_variant = { .dwmac_set_delay = mt2712_set_delay, .clk_list = mt2712_dwmac_clk_l, .num_clks = ARRAY_SIZE(mt2712_dwmac_clk_l), - .dma_bit_mask = 33, .rx_delay_max = 17600, .tx_delay_max = 17600, + .dma_bit_mask = 33, }; static int mt8195_set_interface(struct mediatek_dwmac_plat_data *plat, @@ -418,9 +418,9 @@ static const struct mediatek_dwmac_variant mt8195_gmac_variant = { .dwmac_set_delay = mt8195_set_delay, .clk_list = mt8195_dwmac_clk_l, .num_clks = ARRAY_SIZE(mt8195_dwmac_clk_l), - .dma_bit_mask = 35, .rx_delay_max = 9280, .tx_delay_max = 9280, + .dma_bit_mask = 35, }; static int mediatek_dwmac_config_dt(struct mediatek_dwmac_plat_data *plat) diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c index 388e9fdeb86c..3ccf20fdf52a 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c @@ -91,8 +91,8 @@ struct ethqos_emac_driver_data { unsigned int num_rgmii_por; bool rgmii_config_loopback_en; bool has_emac_ge_3; + u8 dma_addr_width; const char *link_clk_name; - u32 dma_addr_width; struct dwmac4_addrs dwmac4_addrs; bool needs_sgmii_loopback; }; diff --git a/include/linux/stmmac.h b/include/linux/stmmac.h index 03fd85060a73..11886189bf51 100644 --- a/include/linux/stmmac.h +++ b/include/linux/stmmac.h @@ -243,7 +243,7 @@ struct plat_stmmacenet_data { int unicast_filter_entries; int tx_fifo_size; int rx_fifo_size; - u32 host_dma_width; + u8 host_dma_width; u8 rx_queues_to_use; u8 tx_queues_to_use; u8 rx_sched_algorithm; -- 2.47.3