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Commit 25ca2116 authored by Raghavendra Kakarla's avatar Raghavendra Kakarla
Browse files

drivers: rpm-smd: Add support to make rpm-smd as module 



Add support to make rpm-smd as module driver.

Change-Id: Iddc66bd58ddc1b4c821768c7e368d620ab964322
Signed-off-by: default avatarRaghavendra Kakarla <rkakarla@codeaurora.org>
parent a6ae9f82

drivers/rpmsg/Kconfig

+1 −1
Original line number Diff line number Diff line
@@ -68,7 +68,7 @@ config RPMSG_VIRTIO 
	select VIRTIO



config MSM_RPM_SMD

	bool "RPM driver using SMD protocol"

	tristate "RPM driver using SMD protocol"

	help

	  RPM is the dedicated hardware engine for managing shared SoC

	  resources. This config adds driver support for using SMD as a

drivers/rpmsg/rpm-smd.c

+13 −7
Original line number Diff line number Diff line
@@ -1462,7 +1462,7 @@ static int smd_mask_receive_interrupt(bool mask, 
	if (mask) {

		irq_chip->irq_mask(irq_data);

		if (cpumask)

			irq_set_affinity(rpm->irq, cpumask);

			irq_chip->irq_set_affinity(irq_data, cpumask, true);

	} else {

		irq_chip->irq_unmask(irq_data);

	}
@@ -1481,6 +1481,8 @@ int msm_rpm_enter_sleep(bool print, const struct cpumask *cpumask) 
	if (standalone)

		return 0;



	if (probe_status)

		return 0;



	ret = smd_mask_receive_interrupt(true, cpumask);

	if (!ret) {
@@ -1502,6 +1504,9 @@ void msm_rpm_exit_sleep(void) 
	if (standalone)

		return;



	if (probe_status)

		return;



	smd_mask_receive_interrupt(false, NULL);

}

EXPORT_SYMBOL(msm_rpm_exit_sleep);
@@ -1611,11 +1616,6 @@ static int qcom_smd_rpm_probe(struct rpmsg_device *rpdev) 
	return probe_status;

}



static void qcom_smd_rpm_remove(struct rpmsg_device *rpdev)

{

	of_platform_depopulate(&rpdev->dev);

}



static struct rpmsg_device_id rpmsg_driver_rpm_id_table[] = {

	{ .name	= "rpm_requests" },

	{ },
@@ -1623,7 +1623,6 @@ static struct rpmsg_device_id rpmsg_driver_rpm_id_table[] = { 


static struct rpmsg_driver qcom_smd_rpm_driver = {

	.probe = qcom_smd_rpm_probe,

	.remove = qcom_smd_rpm_remove,

	.callback = qcom_smd_rpm_callback,

	.id_table = rpmsg_driver_rpm_id_table,

	.drv  = {
@@ -1642,4 +1641,11 @@ int __init msm_rpm_driver_init(void) 


	return ret;

}



#ifdef MODULE

module_init(msm_rpm_driver_init);

#else

postcore_initcall_sync(msm_rpm_driver_init);

#endif

MODULE_DESCRIPTION("Qualcomm Technologies, Inc. RPM-SMD Driver");

MODULE_LICENSE("GPL v2");

include/soc/qcom/rpm-smd.h

+1 −1
Original line number Diff line number Diff line
@@ -25,7 +25,7 @@ struct msm_rpm_kvp { 
	uint32_t length;

	uint8_t *data;

};

#ifdef CONFIG_MSM_RPM_SMD

#if IS_ENABLED(CONFIG_MSM_RPM_SMD)

/**

 * msm_rpm_request() - Creates a parent element to identify the

 * resource on the RPM, that stores the KVPs for different fields modified