From: Maulik Shah <mkshah@codeaurora.org>
To: bjorn.andersson@linaro.org, maz@kernel.org,
linus.walleij@linaro.org, swboyd@chromium.org,
evgreen@chromium.org, mka@chromium.org
Cc: linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org,
linux-gpio@vger.kernel.org, agross@kernel.org,
tglx@linutronix.de, jason@lakedaemon.net, dianders@chromium.org,
rnayak@codeaurora.org, ilina@codeaurora.org,
lsrao@codeaurora.org, Maulik Shah <mkshah@codeaurora.org>
Subject: [PATCH v4 4/7] genirq: introduce irq_suspend_parent() and irq_resume_parent()
Date: Mon, 10 Aug 2020 16:50:57 +0530 [thread overview]
Message-ID: <1597058460-16211-5-git-send-email-mkshah@codeaurora.org> (raw)
In-Reply-To: <1597058460-16211-1-git-send-email-mkshah@codeaurora.org>
From: Douglas Anderson <dianders@chromium.org>
This goes with the new irq_suspend_one() and irq_resume_one()
callbacks and allow us to easily pass things up to our parent.
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Maulik Shah <mkshah@codeaurora.org>
---
include/linux/irq.h | 2 ++
kernel/irq/chip.c | 28 ++++++++++++++++++++++++++++
2 files changed, 30 insertions(+)
diff --git a/include/linux/irq.h b/include/linux/irq.h
index 8d37b32..4188f50 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -679,6 +679,8 @@ extern int irq_chip_set_affinity_parent(struct irq_data *data,
const struct cpumask *dest,
bool force);
extern int irq_chip_set_wake_parent(struct irq_data *data, unsigned int on);
+extern void irq_chip_suspend_one_parent(struct irq_data *data);
+extern void irq_chip_resume_one_parent(struct irq_data *data);
extern int irq_chip_set_vcpu_affinity_parent(struct irq_data *data,
void *vcpu_info);
extern int irq_chip_set_type_parent(struct irq_data *data, unsigned int type);
diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c
index caf80c1..5039311 100644
--- a/kernel/irq/chip.c
+++ b/kernel/irq/chip.c
@@ -1519,6 +1519,34 @@ int irq_chip_set_wake_parent(struct irq_data *data, unsigned int on)
EXPORT_SYMBOL_GPL(irq_chip_set_wake_parent);
/**
+ * irq_chip_suspend_one_parent - Call irq_suspend_one() on our parent.
+ * @data: Pointer to interrupt specific data
+ *
+ * Conditional, as the underlying parent chip might not implement it.
+ */
+void irq_chip_suspend_one_parent(struct irq_data *data)
+{
+ data = data->parent_data;
+ if (data->chip->irq_suspend_one)
+ data->chip->irq_suspend_one(data);
+}
+EXPORT_SYMBOL_GPL(irq_chip_suspend_one_parent);
+
+/**
+ * irq_chip_resume_one_parent - Call irq_resume_one() on our parent.
+ * @data: Pointer to interrupt specific data
+ *
+ * Conditional, as the underlying parent chip might not implement it.
+ */
+void irq_chip_resume_one_parent(struct irq_data *data)
+{
+ data = data->parent_data;
+ if (data->chip->irq_resume_one)
+ data->chip->irq_resume_one(data);
+}
+EXPORT_SYMBOL_GPL(irq_chip_resume_one_parent);
+
+/**
* irq_chip_request_resources_parent - Request resources on the parent interrupt
* @data: Pointer to interrupt specific data
*/
--
QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. is a member
of Code Aurora Forum, hosted by The Linux Foundation
next prev parent reply other threads:[~2020-08-10 11:23 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-08-10 11:20 [PATCH v4 0/7] irqchip: qcom: pdc: Introduce irq_set_wake call Maulik Shah
2020-08-10 11:20 ` [PATCH v4 1/7] pinctrl: qcom: Add msmgpio irqchip flags Maulik Shah
2020-08-11 19:32 ` Stephen Boyd
2020-08-13 5:47 ` Maulik Shah
2020-08-11 20:04 ` Doug Anderson
2020-08-10 11:20 ` [PATCH v4 2/7] pinctrl: qcom: Use return value from irq_set_wake call Maulik Shah
2020-08-11 19:34 ` Stephen Boyd
2020-08-11 20:06 ` Doug Anderson
2020-08-13 7:17 ` Maulik Shah
2020-08-13 7:21 ` Stephen Boyd
2020-08-27 22:46 ` Linus Walleij
2020-08-10 11:20 ` [PATCH v4 3/7] genirq: Introduce irq_suspend_one() and irq_resume_one() callbacks Maulik Shah
2020-08-11 20:09 ` Doug Anderson
2020-08-13 7:18 ` Maulik Shah
2020-08-13 9:29 ` Thomas Gleixner
2020-08-13 16:09 ` Doug Anderson
2020-08-13 22:09 ` Thomas Gleixner
2020-08-13 22:58 ` Doug Anderson
2020-08-14 2:07 ` Thomas Gleixner
2020-08-14 3:04 ` Doug Anderson
2020-08-14 12:43 ` Thomas Gleixner
2020-08-18 4:35 ` Maulik Shah
2020-08-18 14:40 ` Thomas Gleixner
2020-08-10 11:20 ` Maulik Shah [this message]
2020-08-11 20:10 ` [PATCH v4 4/7] genirq: introduce irq_suspend_parent() and irq_resume_parent() Doug Anderson
2020-08-13 7:19 ` Maulik Shah
2020-08-10 11:20 ` [PATCH v4 5/7] pinctrl: qcom: Call our parent for irq_suspend_one / irq_resume_one Maulik Shah
2020-08-10 11:20 ` [PATCH v4 6/7] irqchip: qcom-pdc: Unmask wake up irqs during suspend Maulik Shah
2020-08-10 11:21 ` [PATCH v4 7/7] irqchip: qcom-pdc: Reset all pdc interrupts during init Maulik Shah
2020-08-10 12:09 ` Felipe Balbi
2020-08-13 7:21 ` Maulik Shah
2020-08-11 21:31 ` Stephen Boyd
2020-08-13 7:30 ` Maulik Shah
2020-08-14 20:24 ` Stephen Boyd
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