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Wed, 06 Dec 2023 12:48:34 +0100 Received: from ukl by ptz.office.stw.pengutronix.de with local (Exim 4.94.2) (envelope-from ) id 1rAqOI-00FR1y-0i; Wed, 06 Dec 2023 12:48:34 +0100 From: =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= To: Thierry Reding Cc: kernel@pengutronix.de, Florian Fainelli , Broadcom internal kernel review list , linux-pwm@vger.kernel.org, linux-rpi-kernel@lists.infradead.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH v4 083/115] pwm: raspberrypi-poe: Make use of devm_pwmchip_alloc() function Date: Wed, 6 Dec 2023 12:44:37 +0100 Message-ID: <11b3a9ab42ae302071dcab5eb0bba70174c8efc6.1701860672.git.u.kleine-koenig@pengutronix.de> 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=2408; i=u.kleine-koenig@pengutronix.de; h=from:subject:message-id; bh=1b5jylgXzzbhPkT3S3eOltYdW6gKQYJ2VGue01OM6e4=; b=owEBbQGS/pANAwAKAY+A+1h9Ev5OAcsmYgBlcF8HtBHNG2G1BJCEFiaGtOXyYMq/UBZ/IVgqx gARsAR6KjCJATMEAAEKAB0WIQQ/gaxpOnoeWYmt/tOPgPtYfRL+TgUCZXBfBwAKCRCPgPtYfRL+ TvvLB/9aQvcl0oW4cd7cwUdM71Scjg4tIhcm1+tWOKCIlU/7Ennd/kWWzml6Q3wxvDl5QCmBZVq H13xxXfYFvDYA0OGX0e9uiYr6gbMoVb0oxhfbGxZ1R/rz7Niy4cGIyBjbGzUxFnJV/KAPYdqTAx gqBfAJu20FzBmB0P3gvVYI634yryXuiMJuk+YjIri9EFrGcjULUVFkQTVi6YFUiZPNqMrroZfAa gOZHtSMyVFDmM+BtTTu2aw6w/N3bO0fF3PE1jZ0ech4rcWZ5uBKA7UVpauUotYnk+8+H6vJ0oOk T2pCw9PfBQWuwKDxMcm7VXH8yDmimP1u2iavSZfNL4wGSx5S 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_114842_962401_BE0A37D9 X-CRM114-Status: GOOD ( 14.59 ) 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-raspberrypi-poe 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-raspberrypi-poe.c | 18 +++++++++--------- 1 file changed, 9 insertions(+), 9 deletions(-) diff --git a/drivers/pwm/pwm-raspberrypi-poe.c b/drivers/pwm/pwm-raspberrypi-poe.c index f10e8a624c51..8921e7ea2cea 100644 --- a/drivers/pwm/pwm-raspberrypi-poe.c +++ b/drivers/pwm/pwm-raspberrypi-poe.c @@ -27,7 +27,6 @@ struct raspberrypi_pwm { struct rpi_firmware *firmware; - struct pwm_chip chip; unsigned int duty_cycle; }; @@ -40,7 +39,7 @@ struct raspberrypi_pwm_prop { static inline struct raspberrypi_pwm *raspberrypi_pwm_from_chip(struct pwm_chip *chip) { - return container_of(chip, struct raspberrypi_pwm, chip); + return pwmchip_get_drvdata(chip); } static int raspberrypi_pwm_set_property(struct rpi_firmware *firmware, @@ -142,6 +141,7 @@ static int raspberrypi_pwm_probe(struct platform_device *pdev) struct device_node *firmware_node; struct device *dev = &pdev->dev; struct rpi_firmware *firmware; + struct pwm_chip *chip; struct raspberrypi_pwm *rpipwm; int ret; @@ -157,14 +157,14 @@ static int raspberrypi_pwm_probe(struct platform_device *pdev) return dev_err_probe(dev, -EPROBE_DEFER, "Failed to get firmware handle\n"); - rpipwm = devm_kzalloc(&pdev->dev, sizeof(*rpipwm), GFP_KERNEL); - if (!rpipwm) - return -ENOMEM; + chip = devm_pwmchip_alloc(&pdev->dev, RASPBERRYPI_FIRMWARE_PWM_NUM, + sizeof(*rpipwm)); + if (IS_ERR(chip)) + return PTR_ERR(chip); + rpipwm = raspberrypi_pwm_from_chip(chip); rpipwm->firmware = firmware; - rpipwm->chip.dev = dev; - rpipwm->chip.ops = &raspberrypi_pwm_ops; - rpipwm->chip.npwm = RASPBERRYPI_FIRMWARE_PWM_NUM; + chip->ops = &raspberrypi_pwm_ops; ret = raspberrypi_pwm_get_property(rpipwm->firmware, RPI_PWM_CUR_DUTY_REG, &rpipwm->duty_cycle); @@ -173,7 +173,7 @@ static int raspberrypi_pwm_probe(struct platform_device *pdev) return ret; } - return devm_pwmchip_add(dev, &rpipwm->chip); + return devm_pwmchip_add(dev, chip); } static const struct of_device_id raspberrypi_pwm_of_match[] = {