From patchwork Tue Oct 7 07:11:56 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Pramod Gurav X-Patchwork-Id: 5043681 X-Patchwork-Delegate: eduardo.valentin@ti.com Return-Path: X-Original-To: patchwork-linux-pm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 13738C11AB for ; Tue, 7 Oct 2014 07:08:39 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 13F512016C for ; Tue, 7 Oct 2014 07:08:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 26C3420145 for ; Tue, 7 Oct 2014 07:08:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752497AbaJGHIg (ORCPT ); Tue, 7 Oct 2014 03:08:36 -0400 Received: from smtp109.ord1c.emailsrvr.com ([108.166.43.109]:52934 "EHLO smtp109.ord1c.emailsrvr.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752480AbaJGHIf (ORCPT ); Tue, 7 Oct 2014 03:08:35 -0400 Received: from localhost (localhost.localdomain [127.0.0.1]) by smtp22.relay.ord1c.emailsrvr.com (SMTP Server) with ESMTP id F1144180212; Tue, 7 Oct 2014 03:08:34 -0400 (EDT) X-Virus-Scanned: OK Received: by smtp22.relay.ord1c.emailsrvr.com (Authenticated sender: pramod.gurav-AT-smartplayin.com) with ESMTPSA id 5BFB31802DD; Tue, 7 Oct 2014 03:08:33 -0400 (EDT) X-Sender-Id: pramod.gurav@smartplayin.com Received: from SPINITLTDL00278.smartplayin.local ([UNAVAILABLE]. [220.227.185.53]) (using TLSv1.1 with cipher DHE-RSA-AES256-SHA) by 0.0.0.0:465 (trex/5.2.13); Tue, 07 Oct 2014 07:08:34 GMT From: Pramod Gurav To: linux-kernel@vger.kernel.org Cc: Pramod Gurav , Eduardo Valentin , Zhang Rui , linux-pm@vger.kernel.org Subject: [PATCH v2] thermal: ti-soc-thermal: Switch to using managed resources Date: Tue, 7 Oct 2014 12:41:56 +0530 Message-Id: <1412665916-3957-1-git-send-email-pramod.gurav@smartplayin.com> X-Mailer: git-send-email 1.7.9.5 Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org X-Spam-Status: No, score=-5.4 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY, URIBL_RHS_DOB autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP This change switches to managed resource APIs to allocated resources such as irq, clock. Hence does away with release statements of the same resorces in error lables and remove function. Cc: Eduardo Valentin Cc: Zhang Rui Cc: linux-pm@vger.kernel.org Signed-off-by: Pramod Gurav --- Change since v1: Passing struct device to devm_clk_get was missing. Fix the same in v2. drivers/thermal/ti-soc-thermal/ti-bandgap.c | 46 +++++++-------------------- 1 file changed, 12 insertions(+), 34 deletions(-) diff --git a/drivers/thermal/ti-soc-thermal/ti-bandgap.c b/drivers/thermal/ti-soc-thermal/ti-bandgap.c index 634b6ce..22013ef 100644 --- a/drivers/thermal/ti-soc-thermal/ti-bandgap.c +++ b/drivers/thermal/ti-soc-thermal/ti-bandgap.c @@ -1060,7 +1060,7 @@ static int ti_bandgap_tshut_init(struct ti_bandgap *bgp, int status; /* Request for gpio_86 line */ - status = gpio_request(gpio_nr, "tshut"); + status = devm_gpio_request(&pdev->dev, gpio_nr, "tshut"); if (status < 0) { dev_err(bgp->dev, "Could not request for TSHUT GPIO:%i\n", 86); return status; @@ -1071,11 +1071,12 @@ static int ti_bandgap_tshut_init(struct ti_bandgap *bgp, return status; } - status = request_irq(gpio_to_irq(gpio_nr), ti_bandgap_tshut_irq_handler, - IRQF_TRIGGER_RISING, "tshut", NULL); + status = devm_request_irq(&pdev->dev, gpio_to_irq(gpio_nr), + ti_bandgap_tshut_irq_handler, + IRQF_TRIGGER_RISING, "tshut", NULL); if (status) { - gpio_free(gpio_nr); dev_err(bgp->dev, "request irq failed for TSHUT"); + return status; } return 0; @@ -1104,7 +1105,7 @@ static int ti_bandgap_talert_init(struct ti_bandgap *bgp, dev_err(&pdev->dev, "get_irq failed\n"); return bgp->irq; } - ret = request_threaded_irq(bgp->irq, NULL, + ret = devm_request_threaded_irq(&pdev->dev, bgp->irq, NULL, ti_bandgap_talert_irq_handler, IRQF_TRIGGER_HIGH | IRQF_ONESHOT, "talert", bgp); @@ -1212,21 +1213,17 @@ int ti_bandgap_probe(struct platform_device *pdev) } } - bgp->fclock = clk_get(NULL, bgp->conf->fclock_name); - ret = IS_ERR(bgp->fclock); - if (ret) { + bgp->fclock = devm_clk_get(&pdev->dev, NULL, bgp->conf->fclock_name); + if (IS_ERR(bgp->fclock)) { dev_err(&pdev->dev, "failed to request fclock reference\n"); - ret = PTR_ERR(bgp->fclock); - goto free_irqs; + return PTR_ERR(bgp->fclock); } - bgp->div_clk = clk_get(NULL, bgp->conf->div_ck_name); - ret = IS_ERR(bgp->div_clk); - if (ret) { + bgp->div_clk = devm_clk_get(&pdev->dev, NULL, bgp->conf->div_ck_name); + if (IS_ERR(bgp->div_clk)) { dev_err(&pdev->dev, "failed to request div_ts_ck clock ref\n"); - ret = PTR_ERR(bgp->div_clk); - goto free_irqs; + return PTR_ERR(bgp->div_clk); } for (i = 0; i < bgp->conf->sensor_count; i++) { @@ -1251,7 +1248,6 @@ int ti_bandgap_probe(struct platform_device *pdev) clk_rate <= 0) { ret = -ENODEV; dev_err(&pdev->dev, "wrong clock rate (%d)\n", clk_rate); - goto put_clks; } ret = clk_set_rate(bgp->div_clk, clk_rate); @@ -1357,14 +1353,6 @@ remove_sensors: disable_clk: if (TI_BANDGAP_HAS(bgp, CLK_CTRL)) clk_disable_unprepare(bgp->fclock); -put_clks: - clk_put(bgp->fclock); - clk_put(bgp->div_clk); -free_irqs: - if (TI_BANDGAP_HAS(bgp, TSHUT)) { - free_irq(gpio_to_irq(bgp->tshut_gpio), NULL); - gpio_free(bgp->tshut_gpio); - } return ret; } @@ -1388,16 +1376,6 @@ int ti_bandgap_remove(struct platform_device *pdev) if (TI_BANDGAP_HAS(bgp, CLK_CTRL)) clk_disable_unprepare(bgp->fclock); - clk_put(bgp->fclock); - clk_put(bgp->div_clk); - - if (TI_BANDGAP_HAS(bgp, TALERT)) - free_irq(bgp->irq, bgp); - - if (TI_BANDGAP_HAS(bgp, TSHUT)) { - free_irq(gpio_to_irq(bgp->tshut_gpio), NULL); - gpio_free(bgp->tshut_gpio); - } return 0; }