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

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Add support to make rpm-smd as module driver.

Change-Id: Iddc66bd58ddc1b4c821768c7e368d620ab964322
Signed-off-by: Raghavendra Kakarla <rkakarla@codeaurora.org>
This commit is contained in:
Raghavendra Kakarla 2020-04-01 03:17:01 +05:30
parent a6ae9f824c
commit 25ca211627
3 changed files with 15 additions and 9 deletions
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2
drivers/rpmsg/Kconfig
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@ -68,7 +68,7 @@ config RPMSG_VIRTIO
select VIRTIO select VIRTIO
config MSM_RPM_SMD config MSM_RPM_SMD
bool "RPM driver using SMD protocol" tristate "RPM driver using SMD protocol"
help help
RPM is the dedicated hardware engine for managing shared SoC RPM is the dedicated hardware engine for managing shared SoC
resources. This config adds driver support for using SMD as a resources. This config adds driver support for using SMD as a

20
drivers/rpmsg/rpm-smd.c
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@ -1462,7 +1462,7 @@ static int smd_mask_receive_interrupt(bool mask,
if (mask) { if (mask) {
irq_chip->irq_mask(irq_data); irq_chip->irq_mask(irq_data);
if (cpumask) if (cpumask)
irq_set_affinity(rpm->irq, cpumask); irq_chip->irq_set_affinity(irq_data, cpumask, true);
} else { } else {
irq_chip->irq_unmask(irq_data); irq_chip->irq_unmask(irq_data);
} }
@ -1481,6 +1481,8 @@ int msm_rpm_enter_sleep(bool print, const struct cpumask *cpumask)
if (standalone) if (standalone)
return 0; return 0;
if (probe_status)
return 0;
ret = smd_mask_receive_interrupt(true, cpumask); ret = smd_mask_receive_interrupt(true, cpumask);
if (!ret) { if (!ret) {
@ -1502,6 +1504,9 @@ void msm_rpm_exit_sleep(void)
if (standalone) if (standalone)
return; return;
if (probe_status)
return;
smd_mask_receive_interrupt(false, NULL); smd_mask_receive_interrupt(false, NULL);
} }
EXPORT_SYMBOL(msm_rpm_exit_sleep); EXPORT_SYMBOL(msm_rpm_exit_sleep);
@ -1611,11 +1616,6 @@ fail:
return probe_status; 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[] = { static struct rpmsg_device_id rpmsg_driver_rpm_id_table[] = {
{ .name = "rpm_requests" }, { .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 = { static struct rpmsg_driver qcom_smd_rpm_driver = {
.probe = qcom_smd_rpm_probe, .probe = qcom_smd_rpm_probe,
.remove = qcom_smd_rpm_remove,
.callback = qcom_smd_rpm_callback, .callback = qcom_smd_rpm_callback,
.id_table = rpmsg_driver_rpm_id_table, .id_table = rpmsg_driver_rpm_id_table,
.drv = { .drv = {
@ -1642,4 +1641,11 @@ int __init msm_rpm_driver_init(void)
return ret; return ret;
} }
#ifdef MODULE
module_init(msm_rpm_driver_init);
#else
postcore_initcall_sync(msm_rpm_driver_init); postcore_initcall_sync(msm_rpm_driver_init);
#endif
MODULE_DESCRIPTION("Qualcomm Technologies, Inc. RPM-SMD Driver");
MODULE_LICENSE("GPL v2");

2
include/soc/qcom/rpm-smd.h
View File

@ -25,7 +25,7 @@ struct msm_rpm_kvp {
uint32_t length; uint32_t length;
uint8_t *data; 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 * msm_rpm_request() - Creates a parent element to identify the
* resource on the RPM, that stores the KVPs for different fields modified * resource on the RPM, that stores the KVPs for different fields modified