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| author | Basavaraj Natikar <Basavaraj.Natikar@amd.com> | 2021-08-31 17:36:13 +0530 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-11-17 11:04:51 +0100 |
| commit | 697103ad736a913df3409d55def2801e85d7d971 (patch) | |
| tree | 593f9397e5b753487bf27b9989243e34723089c5 | |
| parent | 03e1b25d4079241d8019e8d801a3fa4a1f7dbd73 (diff) | |
| download | linux-697103ad736a913df3409d55def2801e85d7d971.tar.gz linux-697103ad736a913df3409d55def2801e85d7d971.tar.bz2 linux-697103ad736a913df3409d55def2801e85d7d971.zip | |
pinctrl: amd: Handle wake-up interrupt
commit acd47b9f28e55b505aedb842131b40904e151d7c upstream.
Enable/disable power management wakeup mode, which is disabled by
default. enable_irq_wake enables wakes the system from sleep.
Hence added enable/disable irq_wake to handle wake-up interrupt.
Signed-off-by: Basavaraj Natikar <Basavaraj.Natikar@amd.com>
Tested-by: Mario Limonciello <mario.limonciello@amd.com>
Acked-by: Shyam Sundar S K <Shyam-sundar.S-k@amd.com>
Link: https://lore.kernel.org/r/20210831120613.1514899-3-Basavaraj.Natikar@amd.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/pinctrl/pinctrl-amd.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/pinctrl/pinctrl-amd.c b/drivers/pinctrl/pinctrl-amd.c index 613f3175acda..80b67cd7c008 100644 --- a/drivers/pinctrl/pinctrl-amd.c +++ b/drivers/pinctrl/pinctrl-amd.c @@ -445,6 +445,7 @@ static int amd_gpio_irq_set_wake(struct irq_data *d, unsigned int on) struct gpio_chip *gc = irq_data_get_irq_chip_data(d); struct amd_gpio *gpio_dev = gpiochip_get_data(gc); u32 wake_mask = BIT(WAKE_CNTRL_OFF_S0I3) | BIT(WAKE_CNTRL_OFF_S3); + int err; raw_spin_lock_irqsave(&gpio_dev->lock, flags); pin_reg = readl(gpio_dev->base + (d->hwirq)*4); @@ -457,6 +458,15 @@ static int amd_gpio_irq_set_wake(struct irq_data *d, unsigned int on) writel(pin_reg, gpio_dev->base + (d->hwirq)*4); raw_spin_unlock_irqrestore(&gpio_dev->lock, flags); + if (on) + err = enable_irq_wake(gpio_dev->irq); + else + err = disable_irq_wake(gpio_dev->irq); + + if (err) + dev_err(&gpio_dev->pdev->dev, "failed to %s wake-up interrupt\n", + on ? "enable" : "disable"); + return 0; } |