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-rw-r--r--drivers/mfd/cros_ec_dev.c4
-rw-r--r--drivers/platform/chrome/cros_ec_debugfs.c20
-rw-r--r--include/linux/mfd/cros_ec.h2
3 files changed, 26 insertions, 0 deletions
diff --git a/drivers/mfd/cros_ec_dev.c b/drivers/mfd/cros_ec_dev.c
index eafd06f62a3a..5a7d4e1dea70 100644
--- a/drivers/mfd/cros_ec_dev.c
+++ b/drivers/mfd/cros_ec_dev.c
@@ -466,6 +466,8 @@ static __maybe_unused int ec_device_suspend(struct device *dev)
{
struct cros_ec_dev *ec = dev_get_drvdata(dev);
+ cros_ec_debugfs_suspend(ec);
+
lb_suspend(ec);
return 0;
@@ -475,6 +477,8 @@ static __maybe_unused int ec_device_resume(struct device *dev)
{
struct cros_ec_dev *ec = dev_get_drvdata(dev);
+ cros_ec_debugfs_resume(ec);
+
lb_resume(ec);
return 0;
diff --git a/drivers/platform/chrome/cros_ec_debugfs.c b/drivers/platform/chrome/cros_ec_debugfs.c
index cc265ed8deb7..c62ee8e610a0 100644
--- a/drivers/platform/chrome/cros_ec_debugfs.c
+++ b/drivers/platform/chrome/cros_ec_debugfs.c
@@ -470,3 +470,23 @@ void cros_ec_debugfs_remove(struct cros_ec_dev *ec)
cros_ec_cleanup_console_log(ec->debug_info);
}
EXPORT_SYMBOL(cros_ec_debugfs_remove);
+
+void cros_ec_debugfs_suspend(struct cros_ec_dev *ec)
+{
+ /*
+ * cros_ec_debugfs_init() failures are non-fatal; it's also possible
+ * that we initted things but decided that console log wasn't supported.
+ * We'll use the same set of checks that cros_ec_debugfs_remove() +
+ * cros_ec_cleanup_console_log() end up using to handle those cases.
+ */
+ if (ec->debug_info && ec->debug_info->log_buffer.buf)
+ cancel_delayed_work_sync(&ec->debug_info->log_poll_work);
+}
+EXPORT_SYMBOL(cros_ec_debugfs_suspend);
+
+void cros_ec_debugfs_resume(struct cros_ec_dev *ec)
+{
+ if (ec->debug_info && ec->debug_info->log_buffer.buf)
+ schedule_delayed_work(&ec->debug_info->log_poll_work, 0);
+}
+EXPORT_SYMBOL(cros_ec_debugfs_resume);
diff --git a/include/linux/mfd/cros_ec.h b/include/linux/mfd/cros_ec.h
index 4ff0cec979b0..b8e750d91200 100644
--- a/include/linux/mfd/cros_ec.h
+++ b/include/linux/mfd/cros_ec.h
@@ -327,5 +327,7 @@ extern struct attribute_group cros_ec_vbc_attr_group;
/* debugfs stuff */
int cros_ec_debugfs_init(struct cros_ec_dev *ec);
void cros_ec_debugfs_remove(struct cros_ec_dev *ec);
+void cros_ec_debugfs_suspend(struct cros_ec_dev *ec);
+void cros_ec_debugfs_resume(struct cros_ec_dev *ec);
#endif /* __LINUX_MFD_CROS_EC_H */