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-ts4800.c | 68 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 68 insertions(+) create mode 100644 drivers/gpio/gpio-ts4800.c (limited to 'drivers/gpio/gpio-ts4800.c') diff --git a/drivers/gpio/gpio-ts4800.c b/drivers/gpio/gpio-ts4800.c new file mode 100644 index 000000000..0207c2b81 --- /dev/null +++ b/drivers/gpio/gpio-ts4800.c @@ -0,0 +1,68 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * GPIO driver for the TS-4800 board + * + * Copyright (c) 2016 - Savoir-faire Linux + */ + +#include +#include +#include +#include +#include + +#define INPUT_REG_OFFSET 0x00 +#define OUTPUT_REG_OFFSET 0x02 +#define DIRECTION_REG_OFFSET 0x04 + +static int ts4800_gpio_probe(struct platform_device *pdev) +{ + struct gpio_generic_chip_config config; + struct device *dev = &pdev->dev; + struct gpio_generic_chip *chip; + void __iomem *base_addr; + int retval; + + chip = devm_kzalloc(dev, sizeof(*chip), GFP_KERNEL); + if (!chip) + return -ENOMEM; + + base_addr = devm_platform_ioremap_resource(pdev, 0); + if (IS_ERR(base_addr)) + return PTR_ERR(base_addr); + + config = (struct gpio_generic_chip_config) { + .dev = dev, + .sz = 2, + .dat = base_addr + INPUT_REG_OFFSET, + .set = base_addr + OUTPUT_REG_OFFSET, + .dirout = base_addr + DIRECTION_REG_OFFSET, + }; + + retval = gpio_generic_chip_init(chip, &config); + if (retval) + return dev_err_probe(dev, retval, + "failed to initialize the generic GPIO chip\n"); + + return devm_gpiochip_add_data(dev, &chip->gc, NULL); +} + +static const struct of_device_id ts4800_gpio_of_match[] = { + { .compatible = "technologic,ts4800-gpio", }, + {}, +}; +MODULE_DEVICE_TABLE(of, ts4800_gpio_of_match); + +static struct platform_driver ts4800_gpio_driver = { + .driver = { + .name = "ts4800-gpio", + .of_match_table = ts4800_gpio_of_match, + }, + .probe = ts4800_gpio_probe, +}; + +module_platform_driver_probe(ts4800_gpio_driver, ts4800_gpio_probe); + +MODULE_AUTHOR("Julien Grossholtz "); +MODULE_DESCRIPTION("TS4800 FPGA GPIO driver"); +MODULE_LICENSE("GPL v2"); -- cgit v1.3.1