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Wed, 06 Dec 2023 12:48:38 +0100 Received: from ukl by ptz.office.stw.pengutronix.de with local (Exim 4.94.2) (envelope-from ) id 1rAqOM-00FR3K-Md; Wed, 06 Dec 2023 12:48:38 +0100 From: =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= To: Thierry Reding Cc: kernel@pengutronix.de, Nobuhiro Iwamatsu , linux-pwm@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH v4 103/115] pwm: visconti: Make use of devm_pwmchip_alloc() function Date: Wed, 6 Dec 2023 12:44:57 +0100 Message-ID: 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=1937; i=u.kleine-koenig@pengutronix.de; h=from:subject:message-id; bh=bSwi90FUBuq3aWqOwrCIzQTVB9WJIexDe7IonLnDdn0=; b=owEBbQGS/pANAwAKAY+A+1h9Ev5OAcsmYgBlcF9C4fl05ABCJf4K6qoWujz/mpKk8RqJzuief t0RGWrpqbSJATMEAAEKAB0WIQQ/gaxpOnoeWYmt/tOPgPtYfRL+TgUCZXBfQgAKCRCPgPtYfRL+ The7B/9gzjtkAEGiRzXtF94uRhM1mnnsw4fb8RHGhfuPAqJ6P2QTDl5e9xV6ApSXQv7zLkt4CcG 2uUM+NiR7r72ELa3GB99ijnHKDjffFs9upRMjfPluAYlnX8EXVTbeTuIFfXBEFnukOfIPCQt5ux Sz6OSNoPcyfGQrkjmkp64lABnqqiH72h5/PsgW/bQ0n+8H2hn/6HjHSTT9p5PHodML9hhQZ4sab rfeIRDLEVYwCODK3k9XdsDlvBEawS63z5sv5A5tmYu4RqiHuyVdVBnClqgzoLwyI1rq8y64fL4Z lYlTghSNcBbWBDbxobSPqUiBtsNRyuYSEujcVC1++s0AP8wk 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-20231206_114847_562646_CF9DE494 X-CRM114-Status: GOOD ( 14.97 ) 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-visconti 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. Signed-off-by: Uwe Kleine-König --- drivers/pwm/pwm-visconti.c | 17 ++++++++--------- 1 file changed, 8 insertions(+), 9 deletions(-) diff --git a/drivers/pwm/pwm-visconti.c b/drivers/pwm/pwm-visconti.c index 8d736d558122..9e55380957be 100644 --- a/drivers/pwm/pwm-visconti.c +++ b/drivers/pwm/pwm-visconti.c @@ -34,13 +34,12 @@ #define PIPGM_PWMC_POLARITY_MASK GENMASK(5, 5) struct visconti_pwm_chip { - struct pwm_chip chip; void __iomem *base; }; static inline struct visconti_pwm_chip *visconti_pwm_from_chip(struct pwm_chip *chip) { - return container_of(chip, struct visconti_pwm_chip, chip); + return pwmchip_get_drvdata(chip); } static int visconti_pwm_apply(struct pwm_chip *chip, struct pwm_device *pwm, @@ -134,22 +133,22 @@ static const struct pwm_ops visconti_pwm_ops = { static int visconti_pwm_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; + struct pwm_chip *chip; struct visconti_pwm_chip *priv; int ret; - priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); - if (!priv) - return -ENOMEM; + chip = devm_pwmchip_alloc(dev, 4, sizeof(*priv)); + if (IS_ERR(chip)) + return PTR_ERR(chip); + priv = visconti_pwm_from_chip(chip); priv->base = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(priv->base)) return PTR_ERR(priv->base); - priv->chip.dev = dev; - priv->chip.ops = &visconti_pwm_ops; - priv->chip.npwm = 4; + chip->ops = &visconti_pwm_ops; - ret = devm_pwmchip_add(&pdev->dev, &priv->chip); + ret = devm_pwmchip_add(&pdev->dev, chip); if (ret < 0) return dev_err_probe(&pdev->dev, ret, "Cannot register visconti PWM\n");