From patchwork Wed Dec 6 11:44:30 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= X-Patchwork-Id: 13481666 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 585D3C10DCE for ; Wed, 6 Dec 2023 11:50:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=fOLHprrmQIvRIJTNFaFtnzZ1+eCEqjeTc/DgdIq9Ec4=; b=pooOMHyt2fgiz6 nk7qtidpqTwzbd9CMemkOEsbGFTQelOPnBb3WGEcMhQittQBnP8AcNPG0c+XlwsnHGWXtPA2Pfqiw 0MpTThTLhsw2UIiaPUo5rWUXiMXR3JaaCov0Y5WiVjDnFdXA1IqyufDX1gRD+WkINZVvfzOMQNkKk T9DUNlFg9ELas0erj049yr01LirOT+awqPzEZuSDVpbi6VETpf7fymbOwpnsV4BOSt8onGKPda0eU YQtsThV1z2G78N7Bh/cOY8dYnjVVn9/mdDParP+4LD1XXrdJKFTLTowt0T/TdW2m2nolKPxMzj1ju NrCwWhbRdFZf7YjobnzA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1rAqPn-00A7g6-2k; Wed, 06 Dec 2023 11:50:07 +0000 Received: from metis.whiteo.stw.pengutronix.de ([185.203.201.7]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1rAqOO-00A6HK-26 for linux-riscv@lists.infradead.org; Wed, 06 Dec 2023 11:48:45 +0000 Received: from drehscheibe.grey.stw.pengutronix.de ([2a0a:edc0:0:c01:1d::a2]) by metis.whiteo.stw.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1rAqOK-00076B-8s; Wed, 06 Dec 2023 12:48:36 +0100 Received: from [2a0a:edc0:0:900:1d::77] (helo=ptz.office.stw.pengutronix.de) by drehscheibe.grey.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1rAqOH-00Dww5-4V; Wed, 06 Dec 2023 12:48:33 +0100 Received: from ukl by ptz.office.stw.pengutronix.de with local (Exim 4.94.2) (envelope-from ) id 1rAqOG-00FR1V-RY; Wed, 06 Dec 2023 12:48:32 +0100 From: =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= To: Thierry Reding Cc: kernel@pengutronix.de, Conor Dooley , Daire McNamara , linux-riscv@lists.infradead.org, linux-pwm@vger.kernel.org Subject: [PATCH v4 076/115] pwm: microchip-core: Make use of devm_pwmchip_alloc() function Date: Wed, 6 Dec 2023 12:44:30 +0100 Message-ID: <2dda818b8bbbe8ba4b9df5ab54f960ff4a4f1ab5.1701860672.git.u.kleine-koenig@pengutronix.de> X-Mailer: git-send-email 2.42.0 In-Reply-To: References: MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=2673; i=u.kleine-koenig@pengutronix.de; h=from:subject:message-id; bh=O91DAufZtIdpecS5GjcVtAu43YTifjp2DD84oKMoiQ4=; b=owEBbQGS/pANAwAKAY+A+1h9Ev5OAcsmYgBlcF7w02HcUkYomobV9EpgiVKZNLKi9HhzNAK8u 6PTGLIc66aJATMEAAEKAB0WIQQ/gaxpOnoeWYmt/tOPgPtYfRL+TgUCZXBe8AAKCRCPgPtYfRL+ TvlTB/43dhCjkvfOwxLcHlj5eVH8cQihuwWD6HipskzoY6wOBTk/4OfgHuXBW3qLUqGQATKfEqQ Biw70nce8bXSYYTw1sSc4FzKrcBDeyC1lz+mhpJ8rBLmRRrgQ/iHw/YRf0S6CZKeuUVKBe/Juic ZgXNy3g7ysBnNJeEPQGwD/PvejSlq41ALzzA0I3OgcRlL2FMaT19jBGiO85/XII53Hu4QauNJLI hBDWlgJ54AQJ5o4ec4DtAARiIf+jWxfk5zHKsT+jz0q0WmRL+Lwx9LFodc0KVvKhMaEfT2l358w QUrrNUdt3D0HEGvukxh+HclDHLvfNq5GJvNEbqpUYMMQsWpC X-Developer-Key: i=u.kleine-koenig@pengutronix.de; a=openpgp; fpr=0D2511F322BFAB1C1580266BE2DCDD9132669BD6 X-SA-Exim-Connect-IP: 2a0a:edc0:0:c01:1d::a2 X-SA-Exim-Mail-From: ukl@pengutronix.de X-SA-Exim-Scanned: No (on metis.whiteo.stw.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-riscv@lists.infradead.org X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20231206_034840_724103_AB59271F X-CRM114-Status: GOOD ( 13.68 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org This prepares the pwm-microchip-core driver to further changes of the pwm core outlined in the commit introducing devm_pwmchip_alloc(). There is no intended semantical change and the driver should behave as before. Acked-by: Conor Dooley Signed-off-by: Uwe Kleine-König --- drivers/pwm/pwm-microchip-core.c | 17 ++++++++--------- 1 file changed, 8 insertions(+), 9 deletions(-) diff --git a/drivers/pwm/pwm-microchip-core.c b/drivers/pwm/pwm-microchip-core.c index c0c53968f3e9..c1f2287b8e97 100644 --- a/drivers/pwm/pwm-microchip-core.c +++ b/drivers/pwm/pwm-microchip-core.c @@ -54,7 +54,6 @@ #define MCHPCOREPWM_TIMEOUT_MS 100u struct mchp_core_pwm_chip { - struct pwm_chip chip; struct clk *clk; void __iomem *base; struct mutex lock; /* protects the shared period */ @@ -65,7 +64,7 @@ struct mchp_core_pwm_chip { static inline struct mchp_core_pwm_chip *to_mchp_core_pwm(struct pwm_chip *chip) { - return container_of(chip, struct mchp_core_pwm_chip, chip); + return pwmchip_get_drvdata(chip); } static void mchp_core_pwm_enable(struct pwm_chip *chip, struct pwm_device *pwm, @@ -447,13 +446,15 @@ MODULE_DEVICE_TABLE(of, mchp_core_of_match); static int mchp_core_pwm_probe(struct platform_device *pdev) { + struct pwm_chip *chip; struct mchp_core_pwm_chip *mchp_core_pwm; struct resource *regs; int ret; - mchp_core_pwm = devm_kzalloc(&pdev->dev, sizeof(*mchp_core_pwm), GFP_KERNEL); - if (!mchp_core_pwm) - return -ENOMEM; + chip = devm_pwmchip_alloc(&pdev->dev, 16, sizeof(*mchp_core_pwm)); + if (IS_ERR(chip)) + return PTR_ERR(chip); + mchp_core_pwm = to_mchp_core_pwm(chip); mchp_core_pwm->base = devm_platform_get_and_ioremap_resource(pdev, 0, ®s); if (IS_ERR(mchp_core_pwm->base)) @@ -470,9 +471,7 @@ static int mchp_core_pwm_probe(struct platform_device *pdev) mutex_init(&mchp_core_pwm->lock); - mchp_core_pwm->chip.dev = &pdev->dev; - mchp_core_pwm->chip.ops = &mchp_core_pwm_ops; - mchp_core_pwm->chip.npwm = 16; + chip->ops = &mchp_core_pwm_ops; mchp_core_pwm->channel_enabled = readb_relaxed(mchp_core_pwm->base + MCHPCOREPWM_EN(0)); mchp_core_pwm->channel_enabled |= @@ -485,7 +484,7 @@ static int mchp_core_pwm_probe(struct platform_device *pdev) writel_relaxed(1U, mchp_core_pwm->base + MCHPCOREPWM_SYNC_UPD); mchp_core_pwm->update_timestamp = ktime_get(); - ret = devm_pwmchip_add(&pdev->dev, &mchp_core_pwm->chip); + ret = devm_pwmchip_add(&pdev->dev, chip); if (ret) return dev_err_probe(&pdev->dev, ret, "Failed to add pwmchip\n");