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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-007n4v-0o; Thu, 25 Jan 2024 13:10:59 +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 v5 101/111] pwm: vt8500: Make use of devm_pwmchip_alloc() function Date: Thu, 25 Jan 2024 13:10:03 +0100 Message-ID: <01b4c6f966cd9506c7a0771a442d13199c4b92fd.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=2303; i=u.kleine-koenig@pengutronix.de; h=from:subject:message-id; bh=dkfJtIjUtbDhr/LiFNhq2M4wEO28QtDlc90Nq+Tu3yQ=; b=owEBbQGS/pANAwAKAY+A+1h9Ev5OAcsmYgBlsk+wQpnU070buZRIXoJz4AXaXF25nY4Up4epJ Ecc2tP/8ziJATMEAAEKAB0WIQQ/gaxpOnoeWYmt/tOPgPtYfRL+TgUCZbJPsAAKCRCPgPtYfRL+ TjfIB/4mu+z9//YiNWdz74fKfzConYKFZMTK4Cl5mKn4KsqQNAru7rYDjLlne3ucrOFBG0RX4m8 JJVsg9ElZ5Lg1b7MPOOxWF3W9b/riBHCGuo/AImRA99Ca9mojDQoqIXP3GX2lhK0fRhBHBr9nW3 /sgq7LBynQIYO3BrvApdGOMV4ftabAuwi/GTqDB+VR+5GMEe4XeaL2fxZmcH915UdGZ15cyx+pw 6yACeE+jS9LBwwAAHwXjOkSA6bgByXh+gzHcApssDVsd6b/cV8wbhwdWCayRBn4mBnL8IqXHlfR pMMC0kv80mdiK8iq20/sRNsNK/f25mymmuhYLcxTh/8Uy7pm 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_924498_860F53E4 X-CRM114-Status: GOOD ( 14.75 ) 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. Signed-off-by: Uwe Kleine-König --- drivers/pwm/pwm-vt8500.c | 18 ++++++++++-------- 1 file changed, 10 insertions(+), 8 deletions(-) diff --git a/drivers/pwm/pwm-vt8500.c b/drivers/pwm/pwm-vt8500.c index def48dbef808..ea465376fe09 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) @@ -232,6 +234,7 @@ MODULE_DEVICE_TABLE(of, vt8500_pwm_dt_ids); static int vt8500_pwm_probe(struct platform_device *pdev) { + struct pwm_chip *chip; struct vt8500_chip *vt8500; struct device_node *np = pdev->dev.of_node; int ret; @@ -239,13 +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) + chip = devm_pwmchip_alloc(&pdev->dev, VT8500_NR_PWMS, sizeof(*vt8500)); + if (chip == NULL) return -ENOMEM; + vt8500 = to_vt8500_chip(chip); - vt8500->chip.dev = &pdev->dev; - vt8500->chip.ops = &vt8500_pwm_ops; - vt8500->chip.npwm = VT8500_NR_PWMS; + chip->ops = &vt8500_pwm_ops; vt8500->clk = devm_clk_get_prepared(&pdev->dev, NULL); if (IS_ERR(vt8500->clk)) @@ -255,7 +257,7 @@ static int vt8500_pwm_probe(struct platform_device *pdev) if (IS_ERR(vt8500->base)) return PTR_ERR(vt8500->base); - ret = devm_pwmchip_add(&pdev->dev, &vt8500->chip); + ret = devm_pwmchip_add(&pdev->dev, chip); if (ret < 0) return dev_err_probe(&pdev->dev, ret, "failed to add PWM chip\n");