From patchwork Mon Jul 3 16:37:10 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "H. Nikolaus Schaller" X-Patchwork-Id: 9823695 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id D13EC60237 for ; Mon, 3 Jul 2017 16:38:00 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id C2FEA2858F for ; Mon, 3 Jul 2017 16:38:00 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id B5F9527FB6; Mon, 3 Jul 2017 16:38:00 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.0 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 1E01527FB6 for ; Mon, 3 Jul 2017 16:38:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754918AbdGCQh6 (ORCPT ); Mon, 3 Jul 2017 12:37:58 -0400 Received: from mo4-p00-ob.smtp.rzone.de ([81.169.146.216]:34709 "EHLO mo4-p00-ob.smtp.rzone.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754914AbdGCQh5 (ORCPT ); Mon, 3 Jul 2017 12:37:57 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; t=1499099839; l=2202; s=domk; d=goldelico.com; h=References:In-Reply-To:References:In-Reply-To:Date:Subject:Cc:To: From; bh=VO7nXmhpK8fKURfGytJM2r6G+AsT+SCjcy6p/e/A2Ts=; b=gTPEW65F+HkX1oChnTAyWlOgYMNFXI2McRlMp7EY5Glu0eo+s5+o/BXLSrS6aK+Hsl bxqVOshMiCfB2CVIXy7yY0jbfDKl2MR6T8WkY9/u1quW35wER8txnCZthfV3ovKAzZRQ ypX1+tUeznUvZPszwH/LJPl2D/hmspdQjLN6M= X-RZG-AUTH: :JGIXVUS7cutRB/49FwqZ7WcecEarQROEYabkiUo6mSAGQ+qKID0oI1Bw5w== X-RZG-CLASS-ID: mo00 Received: from localhost.localdomain (p57AE0397.dip0.t-ipconnect.de [87.174.3.151]) by smtp.strato.de (RZmta 41.0 DYNA|AUTH) with ESMTPSA id I0bd44t63GbC2uD (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (curve secp521r1 with 521 ECDH bits, eq. 15360 bits RSA)) (Client did not present a certificate); Mon, 3 Jul 2017 18:37:12 +0200 (CEST) From: "H. Nikolaus Schaller" To: Grygorii Strashko , NeilBrown , Rob Herring , Mark Rutland , Russell King , Sebastian Reichel , Marek Belisko , "H. Nikolaus Schaller" Cc: linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-pm@vger.kernel.org, letux-kernel@openphoenux.org, notasas@gmail.com, linux-omap@vger.kernel.org Subject: [PATCH v8 1/2] power: supply: twl4030-charger: move irq allocation to just before irqs are enabled Date: Mon, 3 Jul 2017 18:37:10 +0200 Message-Id: X-Mailer: git-send-email 2.12.2 In-Reply-To: References: In-Reply-To: References: Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP And initialize workers and notifiers as soon as possible. This avoids a potential race if irqs are enabled and triggered too early before the worker is properly set up. Suggested-by: Grygorii Strashko Signed-off-by: H. Nikolaus Schaller --- drivers/power/supply/twl4030_charger.c | 29 +++++++++++++++-------------- 1 file changed, 15 insertions(+), 14 deletions(-) diff --git a/drivers/power/supply/twl4030_charger.c b/drivers/power/supply/twl4030_charger.c index 1fbbe0cc216a..fde6f07ba8c3 100644 --- a/drivers/power/supply/twl4030_charger.c +++ b/drivers/power/supply/twl4030_charger.c @@ -984,12 +984,27 @@ static int twl4030_bci_probe(struct platform_device *pdev) platform_set_drvdata(pdev, bci); + INIT_WORK(&bci->work, twl4030_bci_usb_work); + INIT_DELAYED_WORK(&bci->current_worker, twl4030_current_worker); + bci->channel_vac = devm_iio_channel_get(&pdev->dev, "vac"); if (IS_ERR(bci->channel_vac)) { bci->channel_vac = NULL; dev_warn(&pdev->dev, "could not request vac iio channel"); } + if (bci->dev->of_node) { + struct device_node *phynode; + + phynode = of_find_compatible_node(bci->dev->of_node->parent, + NULL, "ti,twl4030-usb"); + if (phynode) { + bci->usb_nb.notifier_call = twl4030_bci_usb_ncb; + bci->transceiver = devm_usb_get_phy_by_node( + bci->dev, phynode, &bci->usb_nb); + } + } + bci->ac = devm_power_supply_register(&pdev->dev, &twl4030_bci_ac_desc, NULL); if (IS_ERR(bci->ac)) { @@ -1023,20 +1038,6 @@ static int twl4030_bci_probe(struct platform_device *pdev) return ret; } - INIT_WORK(&bci->work, twl4030_bci_usb_work); - INIT_DELAYED_WORK(&bci->current_worker, twl4030_current_worker); - - bci->usb_nb.notifier_call = twl4030_bci_usb_ncb; - if (bci->dev->of_node) { - struct device_node *phynode; - - phynode = of_find_compatible_node(bci->dev->of_node->parent, - NULL, "ti,twl4030-usb"); - if (phynode) - bci->transceiver = devm_usb_get_phy_by_node( - bci->dev, phynode, &bci->usb_nb); - } - /* Enable interrupts now. */ reg = ~(u32)(TWL4030_ICHGLOW | TWL4030_ICHGEOC | TWL4030_TBATOR2 | TWL4030_TBATOR1 | TWL4030_BATSTS);