Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752608AbdLAFXR (ORCPT ); Fri, 1 Dec 2017 00:23:17 -0500 Received: from lelnx194.ext.ti.com ([198.47.27.80]:46263 "EHLO lelnx194.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752494AbdLAFWq (ORCPT ); Fri, 1 Dec 2017 00:22:46 -0500 From: Keerthy To: , , , CC: , , , , , , , , , , Subject: [PATCH v4 7/8] pwm: pwm-omap-dmtimer: Adapt driver to utilize dmtimer pdata ops Date: Fri, 1 Dec 2017 10:46:36 +0530 Message-ID: <1512105397-2544-8-git-send-email-j-keerthy@ti.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1512105397-2544-1-git-send-email-j-keerthy@ti.com> References: <1512105397-2544-1-git-send-email-j-keerthy@ti.com> MIME-Version: 1.0 Content-Type: text/plain X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2978 Lines: 105 Adapt driver to utilize dmtimer pdata ops instead of pdata-quirks. Signed-off-by: Keerthy --- Changes in v4: * Switched to dev_get_platdata. Changes in v3: * Used of_find_platdata_by_node function to fetch platform data for timer node. drivers/pwm/pwm-omap-dmtimer.c | 39 ++++++++++++++++++++++----------------- 1 file changed, 22 insertions(+), 17 deletions(-) diff --git a/drivers/pwm/pwm-omap-dmtimer.c b/drivers/pwm/pwm-omap-dmtimer.c index 5ad42f3..3b27aff 100644 --- a/drivers/pwm/pwm-omap-dmtimer.c +++ b/drivers/pwm/pwm-omap-dmtimer.c @@ -23,6 +23,7 @@ #include #include #include +#include #include #include #include @@ -37,7 +38,7 @@ struct pwm_omap_dmtimer_chip { struct pwm_chip chip; struct mutex mutex; pwm_omap_dmtimer *dm_timer; - struct pwm_omap_dmtimer_pdata *pdata; + struct omap_dm_timer_ops *pdata; struct platform_device *dm_timer_pdev; }; @@ -242,19 +243,33 @@ static int pwm_omap_dmtimer_probe(struct platform_device *pdev) { struct device_node *np = pdev->dev.of_node; struct device_node *timer; + struct platform_device *timer_pdev; struct pwm_omap_dmtimer_chip *omap; - struct pwm_omap_dmtimer_pdata *pdata; + struct dmtimer_platform_data *timer_pdata; + struct omap_dm_timer_ops *pdata; pwm_omap_dmtimer *dm_timer; u32 v; int status; - pdata = dev_get_platdata(&pdev->dev); - if (!pdata) { - dev_err(&pdev->dev, "Missing dmtimer platform data\n"); + timer = of_parse_phandle(np, "ti,timers", 0); + if (!timer) + return -ENODEV; + + timer_pdev = of_find_device_by_node(timer); + if (!timer_pdev) { + dev_err(&pdev->dev, "Unable to find Timer pdev\n"); + return -ENODEV; + } + + timer_pdata = dev_get_platdata(&timer_pdev->dev); + if (!timer_pdata) { + dev_err(&pdev->dev, "dmtimer pdata structure NULL\n"); return -EINVAL; } - if (!pdata->request_by_node || + pdata = timer_pdata->timer_ops; + + if (!pdata || !pdata->request_by_node || !pdata->free || !pdata->enable || !pdata->disable || @@ -270,10 +285,6 @@ static int pwm_omap_dmtimer_probe(struct platform_device *pdev) return -EINVAL; } - timer = of_parse_phandle(np, "ti,timers", 0); - if (!timer) - return -ENODEV; - if (!of_get_property(timer, "ti,timer-pwm", NULL)) { dev_err(&pdev->dev, "Missing ti,timer-pwm capability\n"); return -ENODEV; @@ -291,13 +302,7 @@ static int pwm_omap_dmtimer_probe(struct platform_device *pdev) omap->pdata = pdata; omap->dm_timer = dm_timer; - - omap->dm_timer_pdev = of_find_device_by_node(timer); - if (!omap->dm_timer_pdev) { - dev_err(&pdev->dev, "Unable to find timer pdev\n"); - omap->pdata->free(dm_timer); - return -EINVAL; - } + omap->dm_timer_pdev = timer_pdev; /* * Ensure that the timer is stopped before we allow PWM core to call -- 1.9.1