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From: "Uwe Kleine-König" <u.kleine-koenig@pengutronix.de>
To: Thierry Reding <thierry.reding@gmail.com>
Cc: kernel@pengutronix.de, Linus Walleij <linus.walleij@linaro.org>,
	Bartosz Golaszewski <brgl@bgdev.pl>,
	Andy Shevchenko <andy@kernel.org>,
	linux-pwm@vger.kernel.org, linux-gpio@vger.kernel.org
Subject: [PATCH v4 106/115] gpio: mvebu: Make use of devm_pwmchip_alloc() function
Date: Wed,  6 Dec 2023 12:45:00 +0100	[thread overview]
Message-ID: <ff31357fc604e703f2a103f985f551caa78a4191.1701860672.git.u.kleine-koenig@pengutronix.de> (raw)
In-Reply-To: <cover.1701860672.git.u.kleine-koenig@pengutronix.de>

This prepares the pwm sub-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 <u.kleine-koenig@pengutronix.de>
---
 drivers/gpio/gpio-mvebu.c | 18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)

diff --git a/drivers/gpio/gpio-mvebu.c b/drivers/gpio/gpio-mvebu.c
index a13f3c18ccd4..8cfd3a89c018 100644
--- a/drivers/gpio/gpio-mvebu.c
+++ b/drivers/gpio/gpio-mvebu.c
@@ -99,7 +99,6 @@ struct mvebu_pwm {
 	u32			 offset;
 	unsigned long		 clk_rate;
 	struct gpio_desc	*gpiod;
-	struct pwm_chip		 chip;
 	spinlock_t		 lock;
 	struct mvebu_gpio_chip	*mvchip;
 
@@ -615,7 +614,7 @@ static const struct regmap_config mvebu_gpio_regmap_config = {
  */
 static struct mvebu_pwm *to_mvebu_pwm(struct pwm_chip *chip)
 {
-	return container_of(chip, struct mvebu_pwm, chip);
+	return pwmchip_get_drvdata(chip);
 }
 
 static int mvebu_pwm_request(struct pwm_chip *chip, struct pwm_device *pwm)
@@ -789,6 +788,7 @@ static int mvebu_pwm_probe(struct platform_device *pdev,
 {
 	struct device *dev = &pdev->dev;
 	struct mvebu_pwm *mvpwm;
+	struct pwm_chip *chip;
 	void __iomem *base;
 	u32 offset;
 	u32 set;
@@ -813,9 +813,11 @@ static int mvebu_pwm_probe(struct platform_device *pdev,
 	if (IS_ERR(mvchip->clk))
 		return PTR_ERR(mvchip->clk);
 
-	mvpwm = devm_kzalloc(dev, sizeof(struct mvebu_pwm), GFP_KERNEL);
-	if (!mvpwm)
-		return -ENOMEM;
+	chip = devm_pwmchip_alloc(dev, mvchip->chip.ngpio, sizeof(*mvpwm));
+	if (IS_ERR(chip))
+		return PTR_ERR(chip);
+	mvpwm = to_mvebu_pwm(chip);
+
 	mvchip->mvpwm = mvpwm;
 	mvpwm->mvchip = mvchip;
 	mvpwm->offset = offset;
@@ -868,13 +870,11 @@ static int mvebu_pwm_probe(struct platform_device *pdev,
 		return -EINVAL;
 	}
 
-	mvpwm->chip.dev = dev;
-	mvpwm->chip.ops = &mvebu_pwm_ops;
-	mvpwm->chip.npwm = mvchip->chip.ngpio;
+	chip->ops = &mvebu_pwm_ops;
 
 	spin_lock_init(&mvpwm->lock);
 
-	return devm_pwmchip_add(dev, &mvpwm->chip);
+	return devm_pwmchip_add(dev, chip);
 }
 
 #ifdef CONFIG_DEBUG_FS
-- 
2.42.0


  parent reply	other threads:[~2023-12-06 11:48 UTC|newest]

Thread overview: 127+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-12-06 11:43 [PATCH v4 000/115] pwm: Fix lifetime issues for pwm_chips Uwe Kleine-König
2023-12-06 11:43 ` [PATCH v4 001/115] pwm: Reduce number of pointer dereferences in pwm_device_request() Uwe Kleine-König
2023-12-06 11:43 ` [PATCH v4 002/115] pwm: crc: Use consistent variable naming for driver data Uwe Kleine-König
2023-12-06 11:43 ` [PATCH v4 006/115] pwm: cros-ec: Change prototype of helpers to prepare further changes Uwe Kleine-König
2023-12-07  2:06   ` Tzung-Bi Shih
2023-12-06 11:43 ` [PATCH v4 007/115] pwm: Provide a macro to get the parent device of a given chip Uwe Kleine-König
2023-12-06 11:43 ` [PATCH v4 008/115] pwm: ab8500: Make use of pwmchip_parent() macro Uwe Kleine-König
2023-12-06 11:43 ` [PATCH v4 009/115] pwm: atmel: " Uwe Kleine-König
2023-12-06 11:43 ` [PATCH v4 010/115] pwm: atmel-tcb: " Uwe Kleine-König
2023-12-06 11:43 ` [PATCH v4 011/115] pwm: bcm-kona: " Uwe Kleine-König
2023-12-06 11:43 ` [PATCH v4 012/115] pwm: crc: " Uwe Kleine-König
2023-12-06 11:43 ` [PATCH v4 013/115] pwm: cros-ec: " Uwe Kleine-König
2023-12-06 11:43 ` [PATCH v4 014/115] pwm: dwc: " Uwe Kleine-König
2023-12-06 11:43 ` [PATCH v4 015/115] pwm: ep93xx: " Uwe Kleine-König
2023-12-06 11:43 ` [PATCH v4 016/115] pwm: fsl-ftm: " Uwe Kleine-König
2023-12-06 11:43 ` [PATCH v4 017/115] pwm: img: Make use of parent device pointer in driver data Uwe Kleine-König
2023-12-06 11:43 ` [PATCH v4 018/115] pwm: imx27: Make use of pwmchip_parent() macro Uwe Kleine-König
2023-12-06 11:43 ` [PATCH v4 019/115] pwm: jz4740: " Uwe Kleine-König
2023-12-06 11:43 ` [PATCH v4 020/115] pwm: lpc18xx-sct: Make use of parent device pointer in driver data Uwe Kleine-König
2023-12-06 11:43 ` [PATCH v4 021/115] pwm: lpss: Make use of pwmchip_parent() macro Uwe Kleine-König
2023-12-06 11:43 ` [PATCH v4 022/115] pwm: mediatek: " Uwe Kleine-König
2023-12-06 11:43 ` [PATCH v4 023/115] pwm: meson: " Uwe Kleine-König
2023-12-06 11:43 ` [PATCH v4 024/115] pwm: mtk-disp: " Uwe Kleine-König
2023-12-06 11:43 ` [PATCH v4 025/115] pwm: omap: " Uwe Kleine-König
2023-12-06 11:43 ` [PATCH v4 026/115] pwm: pca9685: Store parent device in driver data Uwe Kleine-König
2023-12-06 11:43 ` [PATCH v4 027/115] pwm: raspberrypi-poe: Make use of pwmchip_parent() macro Uwe Kleine-König
2023-12-06 11:43 ` [PATCH v4 028/115] pwm: rcar: " Uwe Kleine-König
2023-12-06 11:43 ` [PATCH v4 029/115] pwm: rz-mtu3: " Uwe Kleine-König
2023-12-06 11:43 ` [PATCH v4 030/115] pwm: samsung: " Uwe Kleine-König
2023-12-06 11:43 ` [PATCH v4 031/115] pwm: sifive: " Uwe Kleine-König
2023-12-06 11:43 ` [PATCH v4 032/115] pwm: stm32-lp: " Uwe Kleine-König
2023-12-06 11:43 ` [PATCH v4 033/115] pwm: stm32: " Uwe Kleine-König
2023-12-06 11:43 ` [PATCH v4 034/115] pwm: stmpe: " Uwe Kleine-König
2023-12-06 11:43 ` [PATCH v4 035/115] pwm: sun4i: " Uwe Kleine-König
2023-12-06 11:43 ` [PATCH v4 036/115] pwm: tiecap: " Uwe Kleine-König
2023-12-06 11:43 ` [PATCH v4 037/115] pwm: tiehrpwm: " Uwe Kleine-König
2023-12-06 11:43 ` [PATCH v4 038/115] pwm: twl-led: " Uwe Kleine-König
2023-12-06 11:43 ` [PATCH v4 039/115] pwm: twl: " Uwe Kleine-König
2023-12-06 11:43 ` [PATCH v4 040/115] pwm: vt8500: " Uwe Kleine-König
2023-12-06 11:43 ` [PATCH v4 041/115] staging: greybus: pwm: " Uwe Kleine-König
2023-12-06 11:43 ` [PATCH v4 042/115] pwm: Provide wrappers for storing and getting driver private data Uwe Kleine-König
2023-12-06 11:43 ` [PATCH v4 043/115] pwm: Provide devm_pwmchip_alloc() function Uwe Kleine-König
2023-12-06 11:43 ` [PATCH v4 044/115] pwm: ab8500: Make use of " Uwe Kleine-König
2023-12-06 11:43 ` [PATCH v4 045/115] pwm: apple: " Uwe Kleine-König
2023-12-06 11:44 ` [PATCH v4 046/115] pwm: atmel-hlcdc: " Uwe Kleine-König
2023-12-06 11:44 ` [PATCH v4 047/115] pwm: atmel: " Uwe Kleine-König
2023-12-06 11:44 ` [PATCH v4 048/115] pwm: atmel-tcb: " Uwe Kleine-König
2023-12-06 11:44 ` [PATCH v4 049/115] pwm: bcm2835: " Uwe Kleine-König
2023-12-06 11:44 ` [PATCH v4 050/115] pwm: bcm-iproc: " Uwe Kleine-König
2023-12-06 11:44 ` [PATCH v4 051/115] pwm: bcm-kona: " Uwe Kleine-König
2023-12-06 11:44 ` [PATCH v4 052/115] pwm: berlin: " Uwe Kleine-König
2023-12-06 11:44 ` [PATCH v4 053/115] pwm: brcmstb: " Uwe Kleine-König
2023-12-06 11:44 ` [PATCH v4 054/115] pwm: clk: " Uwe Kleine-König
2023-12-06 11:44 ` [PATCH v4 055/115] pwm: clps711x: " Uwe Kleine-König
2023-12-06 11:44 ` [PATCH v4 056/115] pwm: crc: " Uwe Kleine-König
2023-12-06 11:44 ` [PATCH v4 057/115] pwm: cros-ec: " Uwe Kleine-König
2023-12-07  2:07   ` Tzung-Bi Shih
2023-12-06 11:44 ` [PATCH v4 058/115] pwm: dwc: " Uwe Kleine-König
2023-12-06 11:44 ` [PATCH v4 059/115] pwm: ep93xx: " Uwe Kleine-König
2023-12-06 11:44 ` [PATCH v4 060/115] pwm: fsl-ftm: " Uwe Kleine-König
2023-12-06 11:44 ` [PATCH v4 061/115] pwm: hibvt: " Uwe Kleine-König
2023-12-06 11:44 ` [PATCH v4 062/115] pwm: img: " Uwe Kleine-König
2023-12-06 11:44 ` [PATCH v4 063/115] pwm: imx1: " Uwe Kleine-König
2023-12-06 11:44 ` [PATCH v4 064/115] pwm: imx27: " Uwe Kleine-König
2023-12-06 11:44 ` [PATCH v4 065/115] pwm: imx-tpm: " Uwe Kleine-König
2023-12-06 11:44 ` [PATCH v4 066/115] pwm: intel-lgm: " Uwe Kleine-König
2023-12-06 11:44 ` [PATCH v4 067/115] pwm: iqs620a: " Uwe Kleine-König
2023-12-06 11:44 ` [PATCH v4 068/115] pwm: jz4740: " Uwe Kleine-König
2023-12-06 11:44 ` [PATCH v4 069/115] pwm: keembay: " Uwe Kleine-König
2023-12-06 11:44 ` [PATCH v4 070/115] pwm: lp3943: " Uwe Kleine-König
2023-12-06 11:44 ` [PATCH v4 071/115] pwm: lpc18xx-sct: " Uwe Kleine-König
2023-12-06 11:44 ` [PATCH v4 072/115] pwm: lpc32xx: " Uwe Kleine-König
2023-12-06 11:44 ` [PATCH v4 073/115] pwm: lpss-*: " Uwe Kleine-König
2023-12-06 11:44 ` [PATCH v4 074/115] pwm: mediatek: " Uwe Kleine-König
2023-12-06 11:44 ` [PATCH v4 075/115] pwm: meson: " Uwe Kleine-König
2023-12-06 11:44 ` [PATCH v4 076/115] pwm: microchip-core: " Uwe Kleine-König
2023-12-06 11:44 ` [PATCH v4 077/115] pwm: mtk-disp: " Uwe Kleine-König
2023-12-06 11:44 ` [PATCH v4 078/115] pwm: mxs: " Uwe Kleine-König
2023-12-06 11:44 ` [PATCH v4 079/115] pwm: ntxec: " Uwe Kleine-König
2023-12-06 11:44 ` [PATCH v4 080/115] pwm: omap-dmtimer: " Uwe Kleine-König
2023-12-06 11:44 ` [PATCH v4 081/115] pwm: pca9685: " Uwe Kleine-König
2023-12-06 11:44 ` [PATCH v4 082/115] pwm: pxa: " Uwe Kleine-König
2023-12-06 11:44 ` [PATCH v4 083/115] pwm: raspberrypi-poe: " Uwe Kleine-König
2023-12-06 11:44 ` [PATCH v4 084/115] pwm: rcar: " Uwe Kleine-König
2023-12-06 11:44 ` [PATCH v4 085/115] pwm: renesas-tpu: " Uwe Kleine-König
2023-12-06 11:44 ` [PATCH v4 086/115] pwm: rockchip: " Uwe Kleine-König
2023-12-06 13:06   ` Heiko Stübner
2023-12-06 11:44 ` [PATCH v4 087/115] pwm: rz-mtu3: " Uwe Kleine-König
2023-12-06 11:44 ` [PATCH v4 088/115] pwm: samsung: " Uwe Kleine-König
2023-12-06 11:44 ` [PATCH v4 089/115] pwm: sifive: " Uwe Kleine-König
2023-12-08  9:30   ` Emil Renner Berthing
2023-12-08  9:52     ` Uwe Kleine-König
2023-12-08  9:59       ` Emil Renner Berthing
2023-12-06 11:44 ` [PATCH v4 090/115] pwm: sl28cpld: " Uwe Kleine-König
2023-12-06 11:44 ` [PATCH v4 091/115] pwm: spear: " Uwe Kleine-König
2023-12-06 11:44 ` [PATCH v4 092/115] pwm: sprd: " Uwe Kleine-König
2023-12-06 11:44 ` [PATCH v4 093/115] pwm: sti: " Uwe Kleine-König
2023-12-06 11:44 ` [PATCH v4 094/115] pwm: stm32-lp: " Uwe Kleine-König
2023-12-06 11:44 ` [PATCH v4 095/115] pwm: stm32: " Uwe Kleine-König
2023-12-06 11:44 ` [PATCH v4 096/115] pwm: stmpe: " Uwe Kleine-König
2023-12-06 11:44 ` [PATCH v4 097/115] pwm: sun4i: " Uwe Kleine-König
2023-12-06 17:11   ` Andre Przywara
2023-12-13 20:31   ` Jernej Škrabec
2023-12-06 11:44 ` [PATCH v4 098/115] pwm: sunplus: " Uwe Kleine-König
2023-12-06 11:44 ` [PATCH v4 099/115] pwm: tegra: " Uwe Kleine-König
2023-12-06 11:44 ` [PATCH v4 100/115] pwm: tiecap: " Uwe Kleine-König
2023-12-06 11:44 ` [PATCH v4 101/115] pwm: twl-led: " Uwe Kleine-König
2023-12-06 11:44 ` [PATCH v4 102/115] pwm: twl: " Uwe Kleine-König
2023-12-06 11:44 ` [PATCH v4 103/115] pwm: visconti: " Uwe Kleine-König
2023-12-06 11:44 ` [PATCH v4 104/115] pwm: vt8500: " Uwe Kleine-König
2023-12-06 11:44 ` [PATCH v4 105/115] pwm: xilinx: " Uwe Kleine-König
2023-12-06 11:45 ` Uwe Kleine-König [this message]
2023-12-06 11:45 ` [PATCH v4 107/115] drm/bridge: ti-sn65dsi86: " Uwe Kleine-König
2024-01-22 15:19   ` Robert Foss
2023-12-06 11:45 ` [PATCH v4 108/115] leds: qcom-lpg: " Uwe Kleine-König
2023-12-07 17:05   ` Lee Jones
2023-12-06 11:45 ` [PATCH v4 110/115] pwm: Ensure that pwm_chips are allocated using pwmchip_alloc() Uwe Kleine-König
2023-12-06 11:45 ` [PATCH v4 111/115] pwm: Ensure a struct pwm has the same lifetime as its pwm_chip Uwe Kleine-König
2023-12-06 11:45 ` [PATCH v4 112/115] pwm: Ensure the memory backing a PWM chip isn't freed while used Uwe Kleine-König
2023-12-06 11:45 ` [PATCH v4 113/115] pwm: Add more locking Uwe Kleine-König
2023-12-06 11:45 ` [PATCH v4 114/115] pwm: Make pwmchip_[sg]et_drvdata a wrapper around dev_set_drvdata Uwe Kleine-König
2023-12-06 11:45 ` [PATCH v4 115/115] WIP: pwm: Add support for pwmchip devices for faster and easier userspace access Uwe Kleine-König
2023-12-08 15:41 ` [PATCH v4 000/115] pwm: Fix lifetime issues for pwm_chips Thierry Reding
2023-12-08 18:50   ` Uwe Kleine-König
2023-12-11 11:33     ` Thierry Reding
2023-12-11 12:18       ` Uwe Kleine-König
2023-12-12 21:05       ` Uwe Kleine-König

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