From patchwork Fri Jun 24 18:23:54 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Grygorii Strashko X-Patchwork-Id: 640349 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 3rbmwN3pydz9s9n for ; Sat, 25 Jun 2016 04:25:24 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751905AbcFXSZA (ORCPT ); Fri, 24 Jun 2016 14:25:00 -0400 Received: from arroyo.ext.ti.com ([198.47.19.12]:45206 "EHLO arroyo.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751764AbcFXSYY (ORCPT ); Fri, 24 Jun 2016 14:24:24 -0400 Received: from dflxv15.itg.ti.com ([128.247.5.124]) by arroyo.ext.ti.com (8.13.7/8.13.7) with ESMTP id u5OIOLYd029733; Fri, 24 Jun 2016 13:24:21 -0500 Received: from DLEE70.ent.ti.com (dlemailx.itg.ti.com [157.170.170.113]) by dflxv15.itg.ti.com (8.14.3/8.13.8) with ESMTP id u5OIOLDt016090; Fri, 24 Jun 2016 13:24:21 -0500 Received: from dflp32.itg.ti.com (10.64.6.15) by DLEE70.ent.ti.com (157.170.170.113) with Microsoft SMTP Server id 14.3.294.0; Fri, 24 Jun 2016 13:24:20 -0500 Received: from localhost (ileax41-snat.itg.ti.com [10.172.224.153]) by dflp32.itg.ti.com (8.14.3/8.13.8) with ESMTP id u5OIOK9P015727; Fri, 24 Jun 2016 13:24:20 -0500 From: Grygorii Strashko To: "David S. Miller" , , Mugunthan V N CC: Sekhar Nori , , , Ivan Khoronzhuk , Rob Herring , , Grygorii Strashko Subject: [PATCH v2 14/15] drivers: net: davinci_mdio: enable pm runtime auto for ti cpsw-mdio Date: Fri, 24 Jun 2016 21:23:54 +0300 Message-ID: <20160624182355.23515-15-grygorii.strashko@ti.com> X-Mailer: git-send-email 2.9.0 In-Reply-To: <20160624182355.23515-1-grygorii.strashko@ti.com> References: <20160624182355.23515-1-grygorii.strashko@ti.com> MIME-Version: 1.0 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Use "ti,cpsw-mdio" to enable PM runtime auto-suspend on supported platforms, where MDIO is implemented as part of TI CPSW. Signed-off-by: Grygorii Strashko --- drivers/net/ethernet/ti/davinci_mdio.c | 45 +++++++++++++++++++++++++--------- 1 file changed, 34 insertions(+), 11 deletions(-) diff --git a/drivers/net/ethernet/ti/davinci_mdio.c b/drivers/net/ethernet/ti/davinci_mdio.c index ce3ec42..33df340 100644 --- a/drivers/net/ethernet/ti/davinci_mdio.c +++ b/drivers/net/ethernet/ti/davinci_mdio.c @@ -53,6 +53,10 @@ #define DEF_OUT_FREQ 2200000 /* 2.2 MHz */ +struct davinci_mdio_of_param { + int autosuspend_delay_ms; +}; + struct davinci_mdio_regs { u32 version; u32 control; @@ -332,6 +336,19 @@ static int davinci_mdio_probe_dt(struct mdio_platform_data *data, } #endif +#if IS_ENABLED(CONFIG_OF) +static const struct davinci_mdio_of_param of_cpsw_mdio_data = { + .autosuspend_delay_ms = 100, +}; + +static const struct of_device_id davinci_mdio_of_mtable[] = { + { .compatible = "ti,davinci_mdio", }, + { .compatible = "ti,cpsw-mdio", .data = &of_cpsw_mdio_data}, + { /* sentinel */ }, +}; +MODULE_DEVICE_TABLE(of, davinci_mdio_of_mtable); +#endif + static int davinci_mdio_probe(struct platform_device *pdev) { struct mdio_platform_data *pdata = dev_get_platdata(&pdev->dev); @@ -340,6 +357,7 @@ static int davinci_mdio_probe(struct platform_device *pdev) struct resource *res; struct phy_device *phy; int ret, addr; + int autosuspend_delay_ms = -1; data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL); if (!data) @@ -352,9 +370,22 @@ static int davinci_mdio_probe(struct platform_device *pdev) } if (dev->of_node) { - if (davinci_mdio_probe_dt(&data->pdata, pdev)) - data->pdata = default_pdata; + const struct of_device_id *of_id; + + ret = davinci_mdio_probe_dt(&data->pdata, pdev); + if (ret) + return ret; snprintf(data->bus->id, MII_BUS_ID_SIZE, "%s", pdev->name); + + of_id = of_match_device(davinci_mdio_of_mtable, &pdev->dev); + if (of_id) { + const struct davinci_mdio_of_param *of_mdio_data; + + of_mdio_data = of_id->data; + if (of_mdio_data) + autosuspend_delay_ms = + of_mdio_data->autosuspend_delay_ms; + } } else { data->pdata = pdata ? (*pdata) : default_pdata; snprintf(data->bus->id, MII_BUS_ID_SIZE, "%s-%x", @@ -384,7 +415,7 @@ static int davinci_mdio_probe(struct platform_device *pdev) davinci_mdio_init_clk(data); - pm_runtime_set_autosuspend_delay(&pdev->dev, -1); + pm_runtime_set_autosuspend_delay(&pdev->dev, autosuspend_delay_ms); pm_runtime_use_autosuspend(&pdev->dev); pm_runtime_enable(&pdev->dev); @@ -495,14 +526,6 @@ static const struct dev_pm_ops davinci_mdio_pm_ops = { SET_LATE_SYSTEM_SLEEP_PM_OPS(davinci_mdio_suspend, davinci_mdio_resume) }; -#if IS_ENABLED(CONFIG_OF) -static const struct of_device_id davinci_mdio_of_mtable[] = { - { .compatible = "ti,davinci_mdio", }, - { /* sentinel */ }, -}; -MODULE_DEVICE_TABLE(of, davinci_mdio_of_mtable); -#endif - static struct platform_driver davinci_mdio_driver = { .driver = { .name = "davinci_mdio",