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Thu, 25 Jan 2024 13:10:51 +0100 Received: from ukl by ptz.office.stw.pengutronix.de with local (Exim 4.96) (envelope-from ) id 1rSyZH-007n2C-2V; Thu, 25 Jan 2024 13:10:51 +0100 From: =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= To: Shawn Guo , Sascha Hauer , linux-pwm@vger.kernel.org Cc: Fabio Estevam , NXP Linux Team , linux-arm-kernel@lists.infradead.org, kernel@pengutronix.de Subject: [PATCH v5 060/111] pwm: imx1: Make use of devm_pwmchip_alloc() function Date: Thu, 25 Jan 2024 13:09:22 +0100 Message-ID: <93774b5353d24af8aa2e8823c321babb20d16716.1706182805.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=2093; i=u.kleine-koenig@pengutronix.de; h=from:subject:message-id; bh=tbiGp63L/S7w22iJkzOIhD7LLwswGphHaG03oglAbok=; b=owEBbQGS/pANAwAKAY+A+1h9Ev5OAcsmYgBlsk+AayXd8vcBw3Wj0goE4JaBJFRrcLr+eNs+X 84o/+CKqqiJATMEAAEKAB0WIQQ/gaxpOnoeWYmt/tOPgPtYfRL+TgUCZbJPgAAKCRCPgPtYfRL+ TrUcCAC6HQcncc0T9tii5v/tFwAtydkbzZrCqKiwCGaMIZ6LveLXNdUaZd43zkXmFpnMp7SNJdB H0xKQDdbc5F/isvPfe6dn+qS5PsldJtz1G3olSYJkzLSGEKJk42hg1kOMT1rkUKwLJjsZaH2ctD 2F80OnXW9GUm1+0IQzBQXAw6Rj2F8K+e5M9XGPRhW9PCGZyvDVUB72dDiMT+01yPL4hbfijJ1Rx 0/XeAxQnVZ6reZjOL0JcHNaJNj6rjb08o6kzOVlIqfNazgR+WMl1cL8rkDdfmjS6v0qNyESa9d0 8AHrOMvxTYh3+JAWt7euf+XZhHb2NFPA8MhLu5B2+d/wmzB0 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_121310_866420_838F744B X-CRM114-Status: GOOD ( 14.73 ) 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-imx1 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-imx1.c | 20 +++++++++++--------- 1 file changed, 11 insertions(+), 9 deletions(-) diff --git a/drivers/pwm/pwm-imx1.c b/drivers/pwm/pwm-imx1.c index d175d895f22a..1d2aae2d278f 100644 --- a/drivers/pwm/pwm-imx1.c +++ b/drivers/pwm/pwm-imx1.c @@ -28,10 +28,12 @@ struct pwm_imx1_chip { struct clk *clk_ipg; struct clk *clk_per; void __iomem *mmio_base; - struct pwm_chip chip; }; -#define to_pwm_imx1_chip(chip) container_of(chip, struct pwm_imx1_chip, chip) +static inline struct pwm_imx1_chip *to_pwm_imx1_chip(struct pwm_chip *chip) +{ + return pwmchip_get_drvdata(chip); +} static int pwm_imx1_clk_prepare_enable(struct pwm_chip *chip) { @@ -156,11 +158,13 @@ MODULE_DEVICE_TABLE(of, pwm_imx1_dt_ids); static int pwm_imx1_probe(struct platform_device *pdev) { + struct pwm_chip *chip; struct pwm_imx1_chip *imx; - imx = devm_kzalloc(&pdev->dev, sizeof(*imx), GFP_KERNEL); - if (!imx) - return -ENOMEM; + chip = devm_pwmchip_alloc(&pdev->dev, 1, sizeof(*imx)); + if (IS_ERR(chip)) + return PTR_ERR(chip); + imx = to_pwm_imx1_chip(chip); imx->clk_ipg = devm_clk_get(&pdev->dev, "ipg"); if (IS_ERR(imx->clk_ipg)) @@ -172,15 +176,13 @@ static int pwm_imx1_probe(struct platform_device *pdev) return dev_err_probe(&pdev->dev, PTR_ERR(imx->clk_per), "failed to get peripheral clock\n"); - imx->chip.ops = &pwm_imx1_ops; - imx->chip.dev = &pdev->dev; - imx->chip.npwm = 1; + chip->ops = &pwm_imx1_ops; imx->mmio_base = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(imx->mmio_base)) return PTR_ERR(imx->mmio_base); - return devm_pwmchip_add(&pdev->dev, &imx->chip); + return devm_pwmchip_add(&pdev->dev, chip); } static struct platform_driver pwm_imx1_driver = {