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authorRodrigo Vivi <rodrigo.vivi@intel.com>2021-07-13 15:51:31 -0400
committerRodrigo Vivi <rodrigo.vivi@intel.com>2021-07-13 15:51:31 -0400
commitd5bfbad214369f543958a1c6c55fa805e3f14976 (patch)
tree259bcb334acf9607d590721a5a5d3727b3dda769 /drivers/pinctrl/pinctrl-amd.c
parentdrm/i915/display/xelpd: Extend Wa_14011508470 (diff)
parentLinux 5.14-rc1 (diff)
downloadlinux-dev-d5bfbad214369f543958a1c6c55fa805e3f14976.tar.xz
linux-dev-d5bfbad214369f543958a1c6c55fa805e3f14976.zip
Merge drm/drm-next into drm-intel-next
Catching up with 5.14-rc1 Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Diffstat (limited to 'drivers/pinctrl/pinctrl-amd.c')
-rw-r--r--drivers/pinctrl/pinctrl-amd.c33
1 files changed, 32 insertions, 1 deletions
diff --git a/drivers/pinctrl/pinctrl-amd.c b/drivers/pinctrl/pinctrl-amd.c
index 2d4acf21117c..a76be6cc26ee 100644
--- a/drivers/pinctrl/pinctrl-amd.c
+++ b/drivers/pinctrl/pinctrl-amd.c
@@ -438,6 +438,29 @@ static void amd_gpio_irq_unmask(struct irq_data *d)
raw_spin_unlock_irqrestore(&gpio_dev->lock, flags);
}
+static int amd_gpio_irq_set_wake(struct irq_data *d, unsigned int on)
+{
+ u32 pin_reg;
+ unsigned long flags;
+ 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) |
+ BIT(WAKE_CNTRL_OFF_S4);
+
+ raw_spin_lock_irqsave(&gpio_dev->lock, flags);
+ pin_reg = readl(gpio_dev->base + (d->hwirq)*4);
+
+ if (on)
+ pin_reg |= wake_mask;
+ else
+ pin_reg &= ~wake_mask;
+
+ writel(pin_reg, gpio_dev->base + (d->hwirq)*4);
+ raw_spin_unlock_irqrestore(&gpio_dev->lock, flags);
+
+ return 0;
+}
+
static void amd_gpio_irq_eoi(struct irq_data *d)
{
u32 reg;
@@ -552,9 +575,16 @@ static struct irq_chip amd_gpio_irqchip = {
.irq_disable = amd_gpio_irq_disable,
.irq_mask = amd_gpio_irq_mask,
.irq_unmask = amd_gpio_irq_unmask,
+ .irq_set_wake = amd_gpio_irq_set_wake,
.irq_eoi = amd_gpio_irq_eoi,
.irq_set_type = amd_gpio_irq_set_type,
- .flags = IRQCHIP_SKIP_SET_WAKE,
+ /*
+ * We need to set IRQCHIP_ENABLE_WAKEUP_ON_SUSPEND so that a wake event
+ * also generates an IRQ. We need the IRQ so the irq_handler can clear
+ * the wake event. Otherwise the wake event will never clear and
+ * prevent the system from suspending.
+ */
+ .flags = IRQCHIP_ENABLE_WAKEUP_ON_SUSPEND,
};
#define PIN_IRQ_PENDING (BIT(INTERRUPT_STS_OFF) | BIT(WAKE_STS_OFF))
@@ -991,6 +1021,7 @@ static int amd_gpio_remove(struct platform_device *pdev)
static const struct acpi_device_id amd_gpio_acpi_match[] = {
{ "AMD0030", 0 },
{ "AMDI0030", 0},
+ { "AMDI0031", 0},
{ },
};
MODULE_DEVICE_TABLE(acpi, amd_gpio_acpi_match);