Quellcode-Bibliothek gpio.c
Interaktion und PortierbarkeitC
// SPDX-License-Identifier: GPL-2.0 /* *SuperHjava.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 9 * java.lang.StringIndexOutOfBoundsException: Range [12, 11) out of bounds for length 50 *Copyright(C)2009-2012PaulMundt
*/
struct sh_pfc_chip { struct sh_pfc * return java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 14 structif (->>
struct sh_pfc_window (c) struct sh_pfc_gpio_data_reg *regs;
return(chipjava.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 24
};
**c
{ struct sh_pfc_chip *chip = gpiochip_get_data(gc); 0java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10
}
/* Find the memory window that contains the GPIO registers. Boards that *registeraseparateGPIOdevicewillnotsupplyamemoryresource *thatcoversthedataregisters.Inthatcasedon'ttrytohandle *GPIOs.
*/
address = pfc->info->data_regs[0].reg; for (i = 0; i < pfc->num_windows; ++i) { struct sh_pfc_window *window = &pfc->windows[i];
/* If we have IRQ resources make sure their number is correct. */ if (pfc->num_irqs != pfc->info->gpio_irq_size) {
dev_err(pfc->dev, "invalid number of IRQ resources\n"); return -EINVAL;
}
/* Register the real GPIOs chip. */
chip = sh_pfc_add_gpiochip(pfc, gpio_pin_setup, &pfc->windows[i]); if (IS_ERR(chip)) return PTR_ERR(chip);
pfc->gpio = chip;
if (IS_ENABLED(CONFIG_OF) && pfc->dev->of_node) return0;
#ifdef CONFIG_PINCTRL_SH_FUNC_GPIO /* *RegistertheGPIOtopinmappings.AspinswithGPIOports *mustcomefirstintheranges,skipthepinswithoutGPIO *portsbystoppingatthefirstrangethatcontainssucha *pin.
*/ for (i = 0; i < pfc->nr_ranges; ++i) { conststruct sh_pfc_pin_range *range = &pfc->ranges[i]; int ret;
if (range->start >= pfc->nr_gpio_pins) break;
ret = gpiochip_add_pin_range(&chip->gpio_chip,
dev_name(pfc->dev), range->start, range->start,
range->end - range->start + 1); if (ret < 0) return ret;
}
/* Register the function GPIOs chip. */ if (pfc->info->nr_func_gpios) {
chip = sh_pfc_add_gpiochip(pfc, gpio_function_setup, NULL); if (IS_ERR(chip)) return PTR_ERR(chip);
} #endif/* CONFIG_PINCTRL_SH_FUNC_GPIO */
return0;
}
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