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soc: qcom: configure ipcc interrupt as wakeup capable

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Configure the IPCC summary IRQ as wakeup capable interrupt.
IPCC interrupt needs to wake up the device from low power
modes when wakeup capable event is generated from remote
subsystem.

Change-Id: Iaffefc6ef68743c7de11062c39e2b1453c58b9a1
Signed-off-by: Prasad Sodagudi <psodagud@codeaurora.org>
[eberman@codeaurora.org: Resolve merge conflicts]
Signed-off-by: Elliot Berman <eberman@codeaurora.org>
This commit is contained in:
Prasad Sodagudi 2019-07-26 05:39:00 -07:00 • committed by Gerrit - the friendly Code Review server
commit 711009936d
1 changed files with 9 additions and 5 deletions
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14
drivers/soc/qcom/qcom_ipcc.c
View file

@ -32,6 +32,7 @@
* @chans: The mailbox clients' channel array (created dynamically)
* @base: Base address of the IPCC frame associated to APPS
* @dev: Device associated with this instance
* @irq: Summary irq
*/
struct ipcc_protocol_data {
struct irq_domain *irq_domain;
@ -40,6 +41,7 @@ struct ipcc_protocol_data {
void __iomem *base;
struct device *dev;
int num_chans;
int irq;
};
/**
@ -305,7 +307,7 @@ static int qcom_ipcc_probe(struct platform_device *pdev)
struct ipcc_protocol_data *proto_data;
struct resource *res;
static int id;
int ret, irq;
int ret;
char *name;
proto_data = devm_kzalloc(&pdev->dev, sizeof(*proto_data), GFP_KERNEL);
@ -330,10 +332,10 @@ static int qcom_ipcc_probe(struct platform_device *pdev)
if (!name)
return -ENOMEM;
irq = platform_get_irq(pdev, 0);
if (irq < 0) {
proto_data->irq = platform_get_irq(pdev, 0);
if (proto_data->irq < 0) {
dev_err(&pdev->dev, "Failed to get the IRQ\n");
return irq;
return proto_data->irq;
}
/* Perform a SW reset on this client's protocol state */
@ -353,13 +355,14 @@ static int qcom_ipcc_probe(struct platform_device *pdev)
goto err_mbox;
}
ret = devm_request_irq(&pdev->dev, irq, qcom_ipcc_irq_fn,
ret = devm_request_irq(&pdev->dev, proto_data->irq, qcom_ipcc_irq_fn,
IRQF_TRIGGER_HIGH, name, proto_data);
if (ret < 0) {
dev_err(&pdev->dev, "Failed to register the irq: %d\n", ret);
goto err_req_irq;
}
enable_irq_wake(proto_data->irq);
platform_set_drvdata(pdev, proto_data);
return 0;
@ -376,6 +379,7 @@ static int qcom_ipcc_remove(struct platform_device *pdev)
{
struct ipcc_protocol_data *proto_data = platform_get_drvdata(pdev);
disable_irq_wake(proto_data->irq);
if (proto_data->num_chans)
mbox_controller_unregister(&proto_data->mbox);
irq_dispose_all_tree_mappings(proto_data->irq_domain);