From patchwork Wed Feb 14 09:33:15 2024 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: 13556167 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 CCF20C48BED for ; Wed, 14 Feb 2024 09:39:18 +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=YnLv+7w0SbyFzozKEC4RAng0OaxIwFtJ0Z7ibaDPX+U=; b=ZwUnaC9vLkw6Sa LgdH3lmvZSjn/tWstg4zCIbJ5orHIUBFjJz0gnfHrku5+tB2hQ+G9luKJ+qPBJbMQubEoUMhN1jnX tGdMZfvtEWo8SaLjJIhyOPxuBD0p4amcbm/+YcVooSAn2fcaMAEVpSuFyYDp1QYXShvnavVhykM7L tUhVXlz/r8+REuXr6iWkBE089Pwsimjsz2I8zOxFSPh70jywSRfRFaIuixbLwYTzEAZK4e7aGYmN0 0TZ+H4nDoam2R8SJkyDu+reb9QaSror50Lw43sPoDnXmSQ3GYUafwxm2kobwI4aGskA4QHwyxKi3B HPIJF4i0bomj9GNZpuHg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1raBjP-0000000CNTO-2SUq; Wed, 14 Feb 2024 09:39:07 +0000 Received: from metis.whiteo.stw.pengutronix.de ([185.203.201.7]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1raBfD-0000000CKYE-2uGC for linux-arm-kernel@lists.infradead.org; Wed, 14 Feb 2024 09:34:55 +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 1raBf9-0006Ah-7n; Wed, 14 Feb 2024 10:34:43 +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 1raBf6-000fI0-ID; Wed, 14 Feb 2024 10:34:40 +0100 Received: from ukl by ptz.office.stw.pengutronix.de with local (Exim 4.96) (envelope-from ) id 1raBf6-004Y9r-1Z; Wed, 14 Feb 2024 10:34:40 +0100 From: =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= To: linux-pwm@vger.kernel.org Cc: linux-arm-kernel@lists.infradead.org, kernel@pengutronix.de Subject: [PATCH v6 148/164] pwm: vt8500: Make use of devm_pwmchip_alloc() function Date: Wed, 14 Feb 2024 10:33:15 +0100 Message-ID: X-Mailer: git-send-email 2.43.0 In-Reply-To: References: MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=1811; i=u.kleine-koenig@pengutronix.de; h=from:subject:message-id; bh=rxI43Yujypy77xT768quBIuTIJlQXuHWwYYfj97S0uo=; b=owEBbQGS/pANAwAKAY+A+1h9Ev5OAcsmYgBlzIj02HTPmlqclJ16Q4aGRNjgVhgGhIukT5CBd BODoNDw2e6JATMEAAEKAB0WIQQ/gaxpOnoeWYmt/tOPgPtYfRL+TgUCZcyI9AAKCRCPgPtYfRL+ TviBB/48ZsIKp9OAnWE7ctCnSaJJ/kLw4UNBCKROpduCVBputp1yAxuewPUOsi6camFoBBMBJif PAnE5YLLv39F+OgeQD0cShjLxOtFqo6mZUQGJqnHW61Pu4FppZvPMMbe6TbNF3sS9pa/RvvamA4 cIxMytdCpzPGGXX+4gsjEvX1xUvt/Wr63SDkxBAUwWc26QNF7l9wlHygC9tyC5+9UdnWGYd+npd znFyou/c4eney24KX/35FhxSe02CNz/ycQxBAHK4B4Vhgo8Z3UvJEXoF++U59jr4nFihdDbsDeY VKk1+1aZkGNqvLns8M+3QeQYWiV2AmZqBvrxcNPnf72mguse 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-arm-kernel@lists.infradead.org X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240214_013448_024576_A61C7346 X-CRM114-Status: GOOD ( 13.91 ) X-BeenThere: linux-arm-kernel@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-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org This prepares the pwm-vt8500 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. Also convert the to_vt8500_chip() helper macro to a static inline to get some type safety. Signed-off-by: Uwe Kleine-König --- drivers/pwm/pwm-vt8500.c | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-) diff --git a/drivers/pwm/pwm-vt8500.c b/drivers/pwm/pwm-vt8500.c index fb4dbc88b0a3..016c82d65527 100644 --- a/drivers/pwm/pwm-vt8500.c +++ b/drivers/pwm/pwm-vt8500.c @@ -45,12 +45,14 @@ #define STATUS_ALL_UPDATE 0x0F struct vt8500_chip { - struct pwm_chip chip; void __iomem *base; struct clk *clk; }; -#define to_vt8500_chip(chip) container_of(chip, struct vt8500_chip, chip) +static inline struct vt8500_chip *to_vt8500_chip(struct pwm_chip *chip) +{ + return pwmchip_get_drvdata(chip); +} #define msecs_to_loops(t) (loops_per_jiffy / 1000 * HZ * t) static inline void vt8500_pwm_busy_wait(struct pwm_chip *chip, int nr, u8 bitmask) @@ -240,14 +242,12 @@ static int vt8500_pwm_probe(struct platform_device *pdev) if (!np) return dev_err_probe(&pdev->dev, -EINVAL, "invalid devicetree node\n"); - vt8500 = devm_kzalloc(&pdev->dev, sizeof(*vt8500), GFP_KERNEL); - if (vt8500 == NULL) - return -ENOMEM; + chip = devm_pwmchip_alloc(&pdev->dev, VT8500_NR_PWMS, sizeof(*vt8500)); + if (IS_ERR(chip)) + return PTR_ERR(chip); + vt8500 = to_vt8500_chip(chip); - chip = &vt8500->chip; - chip->dev = &pdev->dev; chip->ops = &vt8500_pwm_ops; - chip->npwm = VT8500_NR_PWMS; vt8500->clk = devm_clk_get_prepared(&pdev->dev, NULL); if (IS_ERR(vt8500->clk))