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Thu, 25 Jan 2024 13:10:59 +0100 Received: from ukl by ptz.office.stw.pengutronix.de with local (Exim 4.96) (envelope-from ) id 1rSyZP-007n4r-08; Thu, 25 Jan 2024 13:10:59 +0100 From: =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= To: Nobuhiro Iwamatsu , linux-pwm@vger.kernel.org Cc: linux-arm-kernel@lists.infradead.org, kernel@pengutronix.de Subject: [PATCH v5 100/111] pwm: visconti: Make use of devm_pwmchip_alloc() function Date: Thu, 25 Jan 2024 13:10:02 +0100 Message-ID: <1debdb7798b99db180bf92ea9f38fd1bb9904864.1706182805.git.u.kleine-koenig@pengutronix.de> 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=1937; i=u.kleine-koenig@pengutronix.de; h=from:subject:message-id; bh=CDg5DENx7fvJJUTQlX8qtwT+uKgrppGqalaIRu7TUN4=; b=owEBbQGS/pANAwAKAY+A+1h9Ev5OAcsmYgBlsk+vUR8OAGO4TTfgRsObBRSF699ecKeCylvoK kd/tHoJ2UWJATMEAAEKAB0WIQQ/gaxpOnoeWYmt/tOPgPtYfRL+TgUCZbJPrwAKCRCPgPtYfRL+ TqzIB/9+qKFby9PwLsVpnhWDFLd/dGcob6nGpzmsNjAr8fnBQZ4cau0Hdx/CkENffeZQn+lc/tC Hdgf6iMnLXP+MTyuot1Ypld3ZmGKkEooW0sgAJ+PmuX4/MZb6JBqRkV0eosncUwTUR0MvojpgLb Z4J5Wr6qUIolCLxERCZcvckF0nvND5s46A6bPzQjl7bVK1smNF4AfHrZTJinwbPH/tBtb/hrShv CdOIbStCgzz7HofchphnKWEUVJBl9RWlWj4radRpRlDPR1U1f9rc2aqG171ljqRQSPSDgBDCZ44 khbmpHlTQwruqRt3FrTgSAC/Y65s9Fqlu3lWl0Y5TbwpEdHo 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-20240125_121316_244559_A891F1AC X-CRM114-Status: GOOD ( 12.80 ) 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");