From 3a2c4d55e32ad65efebdb6de44eef3bfa08bb49d Mon Sep 17 00:00:00 2001 From: Kees Cook Date: Wed, 2 Sep 2026 15:31:14 -0700 Subject: treewide: refresh kmalloc_obj() conversions This is another run of the Coccinelle script for converting kmalloc() family of allocations to kmalloc_obj() via the existing rules in scripts/coccinelle/api/kmalloc_objs.cocci This catches both the set of kmalloc() uses added since the first kmalloc_obj() conversions in v7.0 and adds a large group missed in the first pass due to Coccinelle not interacting well with the cleanup.h scoped_...() family of macros[1]. I worked around this with spatch's "--macro-file" argument to a file with all the scoped_...() macros mapped to Coccinelle's YACFE_ITERATOR[2] as that was the closest viable control flow indicator I could find. Build tested allmodconfig on x86, arm64, arm, loongarch, mips, powerpc, riscv, and s390 with no new warnings. Link: https://lore.kernel.org/lkml/202609021314.8A9C0B8@keescook/ [1] Link: https://github.com/coccinelle/coccinelle/blob/master/standard.h [2] Signed-off-by: Kees Cook --- drivers/gpio/gpio-tps65912.c | 134 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 134 insertions(+) create mode 100644 drivers/gpio/gpio-tps65912.c (limited to 'drivers/gpio/gpio-tps65912.c') diff --git a/drivers/gpio/gpio-tps65912.c b/drivers/gpio/gpio-tps65912.c new file mode 100644 index 000000000..cf3fa49a7 --- /dev/null +++ b/drivers/gpio/gpio-tps65912.c @@ -0,0 +1,134 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * GPIO driver for TI TPS65912x PMICs + * + * Copyright (C) 2015 Texas Instruments Incorporated - http://www.ti.com/ + * Andrew F. Davis + * + * Based on the Arizona GPIO driver and the previous TPS65912 driver by + * Margarita Olaya Cabrera + */ + +#include +#include +#include + +#include + +struct tps65912_gpio { + struct gpio_chip gpio_chip; + struct tps65912 *tps; +}; + +static int tps65912_gpio_get_direction(struct gpio_chip *gc, + unsigned offset) +{ + struct tps65912_gpio *gpio = gpiochip_get_data(gc); + + int ret, val; + + ret = regmap_read(gpio->tps->regmap, TPS65912_GPIO1 + offset, &val); + if (ret) + return ret; + + if (val & GPIO_CFG_MASK) + return GPIO_LINE_DIRECTION_OUT; + else + return GPIO_LINE_DIRECTION_IN; +} + +static int tps65912_gpio_direction_input(struct gpio_chip *gc, unsigned offset) +{ + struct tps65912_gpio *gpio = gpiochip_get_data(gc); + + return regmap_update_bits(gpio->tps->regmap, TPS65912_GPIO1 + offset, + GPIO_CFG_MASK, 0); +} + +static int tps65912_gpio_direction_output(struct gpio_chip *gc, + unsigned offset, int value) +{ + struct tps65912_gpio *gpio = gpiochip_get_data(gc); + int ret; + + /* Set the initial value */ + ret = regmap_update_bits(gpio->tps->regmap, TPS65912_GPIO1 + offset, + GPIO_SET_MASK, value ? GPIO_SET_MASK : 0); + if (ret) + return ret; + + return regmap_update_bits(gpio->tps->regmap, TPS65912_GPIO1 + offset, + GPIO_CFG_MASK, GPIO_CFG_MASK); +} + +static int tps65912_gpio_get(struct gpio_chip *gc, unsigned offset) +{ + struct tps65912_gpio *gpio = gpiochip_get_data(gc); + int ret, val; + + ret = regmap_read(gpio->tps->regmap, TPS65912_GPIO1 + offset, &val); + if (ret) + return ret; + + if (val & GPIO_STS_MASK) + return 1; + + return 0; +} + +static int tps65912_gpio_set(struct gpio_chip *gc, unsigned int offset, + int value) +{ + struct tps65912_gpio *gpio = gpiochip_get_data(gc); + + return regmap_update_bits(gpio->tps->regmap, TPS65912_GPIO1 + offset, + GPIO_SET_MASK, value ? GPIO_SET_MASK : 0); +} + +static const struct gpio_chip template_chip = { + .label = "tps65912-gpio", + .owner = THIS_MODULE, + .get_direction = tps65912_gpio_get_direction, + .direction_input = tps65912_gpio_direction_input, + .direction_output = tps65912_gpio_direction_output, + .get = tps65912_gpio_get, + .set = tps65912_gpio_set, + .base = -1, + .ngpio = 5, + .can_sleep = true, +}; + +static int tps65912_gpio_probe(struct platform_device *pdev) +{ + struct tps65912 *tps = dev_get_drvdata(pdev->dev.parent); + struct tps65912_gpio *gpio; + + gpio = devm_kzalloc(&pdev->dev, sizeof(*gpio), GFP_KERNEL); + if (!gpio) + return -ENOMEM; + + gpio->tps = dev_get_drvdata(pdev->dev.parent); + gpio->gpio_chip = template_chip; + gpio->gpio_chip.parent = tps->dev; + + return devm_gpiochip_add_data(&pdev->dev, &gpio->gpio_chip, gpio); +} + +static const struct platform_device_id tps65912_gpio_id_table[] = { + { .name = "tps65912-gpio" }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(platform, tps65912_gpio_id_table); + +static struct platform_driver tps65912_gpio_driver = { + .driver = { + .name = "tps65912-gpio", + }, + .probe = tps65912_gpio_probe, + .id_table = tps65912_gpio_id_table, +}; +module_platform_driver(tps65912_gpio_driver); + +MODULE_AUTHOR("Andrew F. Davis "); +MODULE_DESCRIPTION("TPS65912 GPIO driver"); +MODULE_LICENSE("GPL v2"); -- cgit v1.3.1