diff options
Diffstat (limited to 'drivers/mfd/wm8994-irq.c')
| -rw-r--r-- | drivers/mfd/wm8994-irq.c | 30 |
1 files changed, 9 insertions, 21 deletions
diff --git a/drivers/mfd/wm8994-irq.c b/drivers/mfd/wm8994-irq.c index d3a184a240f5..1475b1ac6983 100644 --- a/drivers/mfd/wm8994-irq.c +++ b/drivers/mfd/wm8994-irq.c @@ -1,15 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * wm8994-irq.c -- Interrupt controller support for Wolfson WM8994 * * Copyright 2010 Wolfson Microelectronics PLC. * * Author: Mark Brown <broonie@opensource.wolfsonmicro.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * */ #include <linux/kernel.h> @@ -28,7 +23,7 @@ #include <linux/delay.h> -static struct regmap_irq wm8994_irqs[] = { +static const struct regmap_irq wm8994_irqs[] = { [WM8994_IRQ_TEMP_SHUT] = { .reg_offset = 1, .mask = WM8994_TEMP_SHUT_EINT, @@ -128,7 +123,7 @@ static struct regmap_irq wm8994_irqs[] = { }, }; -static struct regmap_irq_chip wm8994_irq_chip = { +static const struct regmap_irq_chip wm8994_irq_chip = { .name = "wm8994", .irqs = wm8994_irqs, .num_irqs = ARRAY_SIZE(wm8994_irqs), @@ -159,7 +154,7 @@ static irqreturn_t wm8994_edge_irq(int irq, void *data) struct wm8994 *wm8994 = data; while (gpio_get_value_cansleep(wm8994->pdata.irq_gpio)) - handle_nested_irq(irq_create_mapping(wm8994->edge_irq, 0)); + handle_nested_irq(irq_find_mapping(wm8994->edge_irq, 0)); return IRQ_HANDLED; } @@ -172,19 +167,12 @@ static int wm8994_edge_irq_map(struct irq_domain *h, unsigned int virq, irq_set_chip_data(virq, wm8994); irq_set_chip_and_handler(virq, &wm8994_edge_irq_chip, handle_edge_irq); irq_set_nested_thread(virq, 1); - - /* ARM needs us to explicitly flag the IRQ as valid - * and will set them noprobe when we do so. */ -#ifdef CONFIG_ARM - set_irq_flags(virq, IRQF_VALID); -#else irq_set_noprobe(virq); -#endif return 0; } -static struct irq_domain_ops wm8994_edge_irq_ops = { +static const struct irq_domain_ops wm8994_edge_irq_ops = { .map = wm8994_edge_irq_map, .xlate = irq_domain_xlate_twocell, }; @@ -193,7 +181,7 @@ int wm8994_irq_init(struct wm8994 *wm8994) { int ret; unsigned long irqflags; - struct wm8994_pdata *pdata = wm8994->dev->platform_data; + struct wm8994_pdata *pdata = &wm8994->pdata; if (!wm8994->irq) { dev_warn(wm8994->dev, @@ -225,9 +213,7 @@ int wm8994_irq_init(struct wm8994 *wm8994) return ret; } - wm8994->edge_irq = irq_domain_add_linear(NULL, 1, - &wm8994_edge_irq_ops, - wm8994); + wm8994->edge_irq = irq_domain_create_linear(NULL, 1, &wm8994_edge_irq_ops, wm8994); ret = regmap_add_irq_chip(wm8994->regmap, irq_create_mapping(wm8994->edge_irq, @@ -262,8 +248,10 @@ int wm8994_irq_init(struct wm8994 *wm8994) return 0; } +EXPORT_SYMBOL(wm8994_irq_init); void wm8994_irq_exit(struct wm8994 *wm8994) { regmap_del_irq_chip(wm8994->irq, wm8994->irq_data); } +EXPORT_SYMBOL(wm8994_irq_exit); |