diff options
| author | Kees Cook <kees+treewide@kernel.org> | 2026-09-02 15:31:14 -0700 |
|---|---|---|
| committer | Kees Cook <kees@kernel.org> | 2026-09-04 21:37:00 -0700 |
| commit | 3a2c4d55e32ad65efebdb6de44eef3bfa08bb49d (patch) | |
| tree | c65086f9bdcd48c6360fb7cb4598bca084da1f32 /drivers/gpio/gpio-tangier.h | |
| download | linux-stable-3a2c4d55e32ad65efebdb6de44eef3bfa08bb49d.tar.gz linux-stable-3a2c4d55e32ad65efebdb6de44eef3bfa08bb49d.zip | |
treewide: refresh kmalloc_obj() conversionsgrafted
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 <kees+treewide@kernel.org>
Diffstat (limited to 'drivers/gpio/gpio-tangier.h')
| -rw-r--r-- | drivers/gpio/gpio-tangier.h | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/drivers/gpio/gpio-tangier.h b/drivers/gpio/gpio-tangier.h new file mode 100644 index 000000000..ca7ab6cf6 --- /dev/null +++ b/drivers/gpio/gpio-tangier.h @@ -0,0 +1,117 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Intel Tangier GPIO functions + * + * Copyright (c) 2016, 2021, 2023 Intel Corporation. + * + * Authors: Andy Shevchenko <andriy.shevchenko@linux.intel.com> + * Pandith N <pandith.n@intel.com> + * Raag Jadav <raag.jadav@intel.com> + */ + +#ifndef _GPIO_TANGIER_H_ +#define _GPIO_TANGIER_H_ + +#include <linux/gpio/driver.h> +#include <linux/pm.h> +#include <linux/spinlock_types.h> +#include <linux/types.h> + +struct device; + +struct tng_gpio_context; + +/* Elkhart Lake specific wake registers */ +#define GWMR_EHL 0x100 /* Wake mask */ +#define GWSR_EHL 0x118 /* Wake source */ +#define GSIR_EHL 0x130 /* Secure input */ + +/* Merrifield specific wake registers */ +#define GWMR_MRFLD 0x400 /* Wake mask */ +#define GWSR_MRFLD 0x418 /* Wake source */ +#define GSIR_MRFLD 0xc00 /* Secure input */ + +/** + * struct tng_wake_regs - Platform specific wake registers + * @gwmr: Wake mask + * @gwsr: Wake source + * @gsir: Secure input + */ +struct tng_wake_regs { + u32 gwmr; + u32 gwsr; + u32 gsir; +}; + +/** + * struct tng_gpio_pinrange - Map pin numbers to gpio numbers + * @gpio_base: Starting GPIO number of this range + * @pin_base: Starting pin number of this range + * @npins: Number of pins in this range + */ +struct tng_gpio_pinrange { + unsigned int gpio_base; + unsigned int pin_base; + unsigned int npins; +}; + +#define GPIO_PINRANGE(gstart, gend, pstart) \ +(struct tng_gpio_pinrange) { \ + .gpio_base = (gstart), \ + .pin_base = (pstart), \ + .npins = (gend) - (gstart) + 1, \ + } + +/** + * struct tng_gpio_pin_info - Platform specific pinout information + * @pin_ranges: Pin to GPIO mapping + * @nranges: Number of pin ranges + * @name: Respective pinctrl device name + */ +struct tng_gpio_pin_info { + const struct tng_gpio_pinrange *pin_ranges; + unsigned int nranges; + const char *name; +}; + +/** + * struct tng_gpio_info - Platform specific GPIO and IRQ information + * @base: GPIO base to start numbering with + * @ngpio: Amount of GPIOs supported by the controller + * @first: First IRQ to start numbering with + */ +struct tng_gpio_info { + int base; + u16 ngpio; + unsigned int first; +}; + +/** + * struct tng_gpio - Platform specific private data + * @chip: Instance of the struct gpio_chip + * @reg_base: Base address of MMIO registers + * @irq: Interrupt for the GPIO device + * @lock: Synchronization lock to prevent I/O race conditions + * @dev: The GPIO device + * @ctx: Context to be saved during suspend-resume + * @wake_regs: Platform specific wake registers + * @pin_info: Platform specific pinout information + * @info: Platform specific GPIO and IRQ information + */ +struct tng_gpio { + struct gpio_chip chip; + void __iomem *reg_base; + int irq; + raw_spinlock_t lock; + struct device *dev; + struct tng_gpio_context *ctx; + struct tng_wake_regs wake_regs; + struct tng_gpio_pin_info pin_info; + struct tng_gpio_info info; +}; + +int devm_tng_gpio_probe(struct device *dev, struct tng_gpio *gpio); + +extern const struct dev_pm_ops tng_gpio_pm_ops; + +#endif /* _GPIO_TANGIER_H_ */ |
