diff options
Diffstat (limited to 'drivers/platform/x86/intel_int0002_vgpio.c')
| -rw-r--r-- | drivers/platform/x86/intel_int0002_vgpio.c | 29 |
1 files changed, 19 insertions, 10 deletions
diff --git a/drivers/platform/x86/intel_int0002_vgpio.c b/drivers/platform/x86/intel_int0002_vgpio.c index e89ad4964dc1..4b8f7305fc8a 100644 --- a/drivers/platform/x86/intel_int0002_vgpio.c +++ b/drivers/platform/x86/intel_int0002_vgpio.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Intel INT0002 "Virtual GPIO" driver * @@ -9,10 +10,6 @@ * * Author: Dyut Kumar Sil <dyut.k.sil@intel.com> * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * * Some peripherals on Bay Trail and Cherry Trail platforms signal a Power * Management Event (PME) to the Power Management Controller (PMC) to wakeup * the system. When this happens software needs to clear the PME bus 0 status @@ -57,11 +54,7 @@ #define ICPU(model) { X86_VENDOR_INTEL, 6, model, X86_FEATURE_ANY, } static const struct x86_cpu_id int0002_cpu_ids[] = { -/* - * Limit ourselves to Cherry Trail for now, until testing shows we - * need to handle the INT0002 device on Baytrail too. - * ICPU(INTEL_FAM6_ATOM_SILVERMONT), * Valleyview, Bay Trail * - */ + ICPU(INTEL_FAM6_ATOM_SILVERMONT), /* Valleyview, Bay Trail */ ICPU(INTEL_FAM6_ATOM_AIRMONT), /* Braswell, Cherry Trail */ {} }; @@ -110,6 +103,21 @@ static void int0002_irq_mask(struct irq_data *data) outl(gpe_en_reg, GPE0A_EN_PORT); } +static int int0002_irq_set_wake(struct irq_data *data, unsigned int on) +{ + struct gpio_chip *chip = irq_data_get_irq_chip_data(data); + struct platform_device *pdev = to_platform_device(chip->parent); + int irq = platform_get_irq(pdev, 0); + + /* Propagate to parent irq */ + if (on) + enable_irq_wake(irq); + else + disable_irq_wake(irq); + + return 0; +} + static irqreturn_t int0002_irq(int irq, void *data) { struct gpio_chip *chip = data; @@ -132,6 +140,7 @@ static struct irq_chip int0002_irqchip = { .irq_ack = int0002_irq_ack, .irq_mask = int0002_irq_mask, .irq_unmask = int0002_irq_unmask, + .irq_set_wake = int0002_irq_set_wake, }; static int int0002_probe(struct platform_device *pdev) @@ -216,4 +225,4 @@ module_platform_driver(int0002_driver); MODULE_AUTHOR("Hans de Goede <hdegoede@redhat.com>"); MODULE_DESCRIPTION("Intel INT0002 Virtual GPIO driver"); -MODULE_LICENSE("GPL"); +MODULE_LICENSE("GPL v2"); |