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Mon, 25 May 2020 16:32:05 +0000 From: fugang.duan@nxp.com To: andrew@lunn.ch, martin.fuzzey@flowbird.group, davem@davemloft.net, s.hauer@pengutronix.de Cc: netdev@vger.kernel.org, robh+dt@kernel.org, shawnguo@kernel.org, devicetree@vger.kernel.org, kuba@kernel.org, fugang.duan@nxp.com Subject: [PATCH net v3 1/4] net: ethernet: fec: move GPR register offset and bit into DT Date: Tue, 26 May 2020 00:27:10 +0800 Message-Id: <1590424033-16906-2-git-send-email-fugang.duan@nxp.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1590424033-16906-1-git-send-email-fugang.duan@nxp.com> References: <1590424033-16906-1-git-send-email-fugang.duan@nxp.com> X-ClientProxiedBy: SG2PR01CA0102.apcprd01.prod.exchangelabs.com (2603:1096:3:15::28) To AM6PR0402MB3607.eurprd04.prod.outlook.com (2603:10a6:209:12::18) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from b38611.ap.freescale.net (119.31.174.66) by SG2PR01CA0102.apcprd01.prod.exchangelabs.com (2603:1096:3:15::28) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256) id 15.20.3021.23 via Frontend Transport; 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DIR:OUT; SFP:1101; X-MS-Exchange-AntiSpam-MessageData: n7t+1BWmTw0DAdaXDj8QHt192/akOgrc6DfdrfVqRw3fTfgM85aq/gwdAlnDdKtgD3iIGlV/kPs6HhQ/etJyHxZpwomRI341d6WegkTomBHmd6t/YaNqWkUZ6NZj4tk5Ot4P4A+TbITcLDBoeYTOa2Nw0RP3SagqwkkDUzgTZsZCNLU0uqsVPwh84hkSoam7g6kHzRFlMqDNslpeaytc/qWrSDQlFe/XEAWg8T/gMeSyQefuvlxkqBRMvH2gtoO2WwVMRACSl8sOsFXlE6Lr7Js6IspmAsKtm2fHiQ0p08O9RYbW5XAVTaxWheTHX/Pj8eT1JbmF130PsES6kLNS6L2esMF7aR9/fVm6/yfEN+N9c4dr2qG8S2IbPt84FrIPJ2W5kxPzgKdIQ4ymw+jYN0xQ6wQDN0KQBnXT2oXHsdbRHuQZhGEAcczbRodxazaPimoXhF6p6HqegImXo5pNgt4sdc8AejOj9gxp4b6C+QrqSE55RBimSoVsVwHOqlC0 X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: 4f3f5519-f52f-4392-81d9-08d800c9292c X-MS-Exchange-CrossTenant-OriginalArrivalTime: 25 May 2020 16:32:05.3823 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: 8OLcA1hahGyJAQugZZvfT3EY+kYM5R1siH+5jhqxegjfudPnUv+n1xunXJ7MdwAcUK9y4dMf1wbq/e9whutPYg== X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM6PR0402MB3384 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Fugang Duan The commit da722186f654 (net: fec: set GPR bit on suspend by DT configuration) set the GPR reigster offset and bit in driver for wake on lan feature. But it introduces two issues here: - one SOC has two instances, they have different bit - different SOCs may have different offset and bit So to support wake-on-lan feature on other i.MX platforms, it should configure the GPR reigster offset and bit from DT. So the patch is to improve the commit da722186f654 (net: fec: set GPR bit on suspend by DT configuration) to support multiple ethernet instances on i.MX series. v2: * switch back to store the quirks bitmask in driver_data v3: * suggested by Sascha Hauer, use a struct fec_devinfo for abstracting differences between different hardware variants, it can give more freedom to describe the differences. Signed-off-by: Fugang Duan --- drivers/net/ethernet/freescale/fec_main.c | 24 ++++++++++++------------ 1 file changed, 12 insertions(+), 12 deletions(-) diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c index 2e20914..4acb91d 100644 --- a/drivers/net/ethernet/freescale/fec_main.c +++ b/drivers/net/ethernet/freescale/fec_main.c @@ -88,8 +88,6 @@ static void fec_enet_itr_coal_init(struct net_device *ndev); struct fec_devinfo { u32 quirks; - u8 stop_gpr_reg; - u8 stop_gpr_bit; }; static const struct fec_devinfo fec_imx25_info = { @@ -112,8 +110,6 @@ static const struct fec_devinfo fec_imx6q_info = { FEC_QUIRK_HAS_BUFDESC_EX | FEC_QUIRK_HAS_CSUM | FEC_QUIRK_HAS_VLAN | FEC_QUIRK_ERR006358 | FEC_QUIRK_HAS_RACC, - .stop_gpr_reg = 0x34, - .stop_gpr_bit = 27, }; static const struct fec_devinfo fec_mvf600_info = { @@ -3476,19 +3472,23 @@ static int fec_enet_get_irq_cnt(struct platform_device *pdev) } static int fec_enet_init_stop_mode(struct fec_enet_private *fep, - struct fec_devinfo *dev_info, struct device_node *np) { struct device_node *gpr_np; + u32 out_val[3]; int ret = 0; - if (!dev_info) - return 0; - - gpr_np = of_parse_phandle(np, "gpr", 0); + gpr_np = of_parse_phandle(np, "fsl,stop-mode", 0); if (!gpr_np) return 0; + ret = of_property_read_u32_array(np, "fsl,stop-mode", out_val, + ARRAY_SIZE(out_val)); + if (ret) { + dev_dbg(&fep->pdev->dev, "no stop mode property\n"); + return ret; + } + fep->stop_gpr.gpr = syscon_node_to_regmap(gpr_np); if (IS_ERR(fep->stop_gpr.gpr)) { dev_err(&fep->pdev->dev, "could not find gpr regmap\n"); @@ -3497,8 +3497,8 @@ static int fec_enet_init_stop_mode(struct fec_enet_private *fep, goto out; } - fep->stop_gpr.reg = dev_info->stop_gpr_reg; - fep->stop_gpr.bit = dev_info->stop_gpr_bit; + fep->stop_gpr.reg = out_val[1]; + fep->stop_gpr.bit = out_val[2]; out: of_node_put(gpr_np); @@ -3575,7 +3575,7 @@ fec_probe(struct platform_device *pdev) if (of_get_property(np, "fsl,magic-packet", NULL)) fep->wol_flag |= FEC_WOL_HAS_MAGIC_PACKET; - ret = fec_enet_init_stop_mode(fep, dev_info, np); + ret = fec_enet_init_stop_mode(fep, np); 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Reviewed-by: Andrew Lunn Signed-off-by: Fugang Duan --- arch/arm/boot/dts/imx6qdl.dtsi | 2 +- arch/arm/boot/dts/imx6sx.dtsi | 2 ++ arch/arm/boot/dts/imx6ul.dtsi | 2 ++ arch/arm/boot/dts/imx7d.dtsi | 1 + arch/arm/boot/dts/imx7s.dtsi | 1 + 5 files changed, 7 insertions(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/imx6qdl.dtsi b/arch/arm/boot/dts/imx6qdl.dtsi index 98da446..48f5016 100644 --- a/arch/arm/boot/dts/imx6qdl.dtsi +++ b/arch/arm/boot/dts/imx6qdl.dtsi @@ -1045,7 +1045,7 @@ <&clks IMX6QDL_CLK_ENET>, <&clks IMX6QDL_CLK_ENET_REF>; clock-names = "ipg", "ahb", "ptp"; - gpr = <&gpr>; + fsl,stop-mode = <&gpr 0x34 27>; status = "disabled"; }; diff --git a/arch/arm/boot/dts/imx6sx.dtsi b/arch/arm/boot/dts/imx6sx.dtsi index d6f8317..09f21aa 100644 --- a/arch/arm/boot/dts/imx6sx.dtsi +++ b/arch/arm/boot/dts/imx6sx.dtsi @@ -930,6 +930,7 @@ "enet_clk_ref", "enet_out"; fsl,num-tx-queues = <3>; fsl,num-rx-queues = <3>; + fsl,stop-mode = <&gpr 0x10 3>; status = "disabled"; }; @@ -1039,6 +1040,7 @@ <&clks IMX6SX_CLK_ENET_PTP>; clock-names = "ipg", "ahb", "ptp", "enet_clk_ref", "enet_out"; + fsl,stop-mode = <&gpr 0x10 4>; status = "disabled"; }; diff --git a/arch/arm/boot/dts/imx6ul.dtsi b/arch/arm/boot/dts/imx6ul.dtsi index 2ccf67c..345ae9b 100644 --- a/arch/arm/boot/dts/imx6ul.dtsi +++ b/arch/arm/boot/dts/imx6ul.dtsi @@ -520,6 +520,7 @@ "enet_clk_ref", "enet_out"; fsl,num-tx-queues = <1>; fsl,num-rx-queues = <1>; + fsl,stop-mode = <&gpr 0x10 4>; status = "disabled"; }; @@ -856,6 +857,7 @@ "enet_clk_ref", "enet_out"; fsl,num-tx-queues = <1>; fsl,num-rx-queues = <1>; + fsl,stop-mode = <&gpr 0x10 3>; status = "disabled"; }; diff --git a/arch/arm/boot/dts/imx7d.dtsi b/arch/arm/boot/dts/imx7d.dtsi index 4c22828..cff875b 100644 --- a/arch/arm/boot/dts/imx7d.dtsi +++ b/arch/arm/boot/dts/imx7d.dtsi @@ -153,6 +153,7 @@ "enet_clk_ref", "enet_out"; fsl,num-tx-queues = <3>; fsl,num-rx-queues = <3>; + fsl,stop-mode = <&gpr 0x10 4>; status = "disabled"; }; diff --git a/arch/arm/boot/dts/imx7s.dtsi b/arch/arm/boot/dts/imx7s.dtsi index 76e3ffb..5bf0b39 100644 --- a/arch/arm/boot/dts/imx7s.dtsi +++ b/arch/arm/boot/dts/imx7s.dtsi @@ -1190,6 +1190,7 @@ "enet_clk_ref", "enet_out"; fsl,num-tx-queues = <3>; fsl,num-rx-queues = <3>; + fsl,stop-mode = <&gpr 0x10 3>; status = "disabled"; }; };