Call the same bottom half for all EC protocols (threaded code).
Signed-off-by: Gwendal Grignou <[email protected]>
---
drivers/platform/chrome/cros_ec.c | 26 ++++++++++++++++-----
drivers/platform/chrome/cros_ec_ishtp.c | 6 +----
drivers/platform/chrome/cros_ec_rpmsg.c | 6 +----
include/linux/platform_data/cros_ec_proto.h | 3 ++-
4 files changed, 24 insertions(+), 17 deletions(-)
diff --git a/drivers/platform/chrome/cros_ec.c
b/drivers/platform/chrome/cros_ec.c
index 6d6ce86a1408a..4ac33491d0d18 100644
--- a/drivers/platform/chrome/cros_ec.c
+++ b/drivers/platform/chrome/cros_ec.c
@@ -31,7 +31,14 @@ static struct cros_ec_platform pd_p = {
.cmd_offset = EC_CMD_PASSTHRU_OFFSET(CROS_EC_DEV_PD_INDEX),
};
-static irqreturn_t ec_irq_handler(int irq, void *data)
+/**
+ * cros_ec_irq_handler: top half part of the interrupt handler
+ * @irq: IRQ id
+ * @data: (ec_dev) Device with events to process.
+ *
+ * Return: Wakeup the bottom half
+ */
+static irqreturn_t cros_ec_irq_handler(int irq, void *data)
{
struct cros_ec_device *ec_dev = data;
@@ -50,7 +57,7 @@ static irqreturn_t ec_irq_handler(int irq, void *data)
* Return: true if more events are still pending and this function should be
* called again.
*/
-bool cros_ec_handle_event(struct cros_ec_device *ec_dev)
+static bool cros_ec_handle_event(struct cros_ec_device *ec_dev)
{
bool wake_event;
bool ec_has_more_events;
@@ -72,9 +79,15 @@ bool cros_ec_handle_event(struct cros_ec_device *ec_dev)
return ec_has_more_events;
}
-EXPORT_SYMBOL(cros_ec_handle_event);
-static irqreturn_t ec_irq_thread(int irq, void *data)
+/**
+ * cros_ec_irq_thread: bottom half part of the interrupt handler
+ * @irq: IRQ id
+ * @data: (ec_dev) Device with events to process.
+ *
+ * Return: Interrupt handled.
+ */
+irqreturn_t cros_ec_irq_thread(int irq, void *data)
{
struct cros_ec_device *ec_dev = data;
bool ec_has_more_events;
@@ -85,6 +98,7 @@ static irqreturn_t ec_irq_thread(int irq, void *data)
return IRQ_HANDLED;
}
+EXPORT_SYMBOL(cros_ec_irq_thread);
static int cros_ec_sleep_event(struct cros_ec_device *ec_dev, u8 sleep_event)
{
@@ -175,8 +189,8 @@ int cros_ec_register(struct cros_ec_device *ec_dev)
if (ec_dev->irq > 0) {
err = devm_request_threaded_irq(dev, ec_dev->irq,
- ec_irq_handler,
- ec_irq_thread,
+ cros_ec_irq_handler,
+ cros_ec_irq_thread,
IRQF_TRIGGER_LOW | IRQF_ONESHOT,
"chromeos-ec", ec_dev);
if (err) {
diff --git a/drivers/platform/chrome/cros_ec_ishtp.c
b/drivers/platform/chrome/cros_ec_ishtp.c
index 316cb4bee80d3..62c03be0183a2 100644
--- a/drivers/platform/chrome/cros_ec_ishtp.c
+++ b/drivers/platform/chrome/cros_ec_ishtp.c
@@ -138,12 +138,8 @@ static void ish_evt_handler(struct work_struct *work)
{
struct ishtp_cl_data *client_data =
container_of(work, struct ishtp_cl_data, work_ec_evt);
- struct cros_ec_device *ec_dev = client_data->ec_dev;
- bool ec_has_more_events;
- do {
- ec_has_more_events = cros_ec_handle_event(ec_dev);
- } while (ec_has_more_events);
+ cros_ec_irq_thread(0, client_data->ec_dev);
}
/**
diff --git a/drivers/platform/chrome/cros_ec_rpmsg.c
b/drivers/platform/chrome/cros_ec_rpmsg.c
index 1b38bc8e164c3..12ddc5a4729b7 100644
--- a/drivers/platform/chrome/cros_ec_rpmsg.c
+++ b/drivers/platform/chrome/cros_ec_rpmsg.c
@@ -144,12 +144,8 @@ cros_ec_rpmsg_host_event_function(struct work_struct
*host_event_work)
struct cros_ec_rpmsg *ec_rpmsg = container_of(host_event_work,
struct cros_ec_rpmsg,
host_event_work);
- struct cros_ec_device *ec_dev = dev_get_drvdata(&ec_rpmsg->rpdev->dev);
- bool ec_has_more_events;
- do {
- ec_has_more_events = cros_ec_handle_event(ec_dev);
- } while (ec_has_more_events);
+ cros_ec_irq_thread(0, dev_get_drvdata(&ec_rpmsg->rpdev->dev));
}
static int cros_ec_rpmsg_callback(struct rpmsg_device *rpdev, void *data,
diff --git a/include/linux/platform_data/cros_ec_proto.h
b/include/linux/platform_data/cros_ec_proto.h
index 8776041d5cead..37cfd05d30a0b 100644
--- a/include/linux/platform_data/cros_ec_proto.h
+++ b/include/linux/platform_data/cros_ec_proto.h
@@ -9,6 +9,7 @@
#define __LINUX_CROS_EC_PROTO_H
#include <linux/device.h>
+#include <linux/interrupt.h>
#include <linux/mutex.h>
#include <linux/notifier.h>
#include <linux/power_supply.h>
@@ -241,7 +242,7 @@ int cros_ec_check_features(struct cros_ec_dev *ec, int
feature);
int cros_ec_get_sensor_count(struct cros_ec_dev *ec);
-bool cros_ec_handle_event(struct cros_ec_device *ec_dev);
+irqreturn_t cros_ec_irq_thread(int irq, void *data);
/**
* cros_ec_get_time_ns() - Return time in ns.
--
2.29.2.576.ga3fc446d84-goog
