usb: dwc3-msm: Add markers for peripheral bus resume
Add prints and markers for peripheral bus resume.
While at it, also fix USB resume print in composite driver.
Change-Id: Idaaba41e59ee2e93c1fd5956d352bdce673247b3
Signed-off-by: Ajay Agarwal <ajaya@codeaurora.org>
diff --git a/drivers/usb/dwc3/dwc3-msm.c b/drivers/usb/dwc3/dwc3-msm.c
index 57ce198..87b306c 100644
--- a/drivers/usb/dwc3/dwc3-msm.c
+++ b/drivers/usb/dwc3/dwc3-msm.c
@@ -47,6 +47,7 @@
#include <linux/extcon.h>
#include <linux/reset.h>
#include <linux/clk/qcom.h>
+#include <soc/qcom/boot_stats.h>
#include "power.h"
#include "core.h"
@@ -3085,6 +3086,12 @@
dwc->t_pwr_evt_irq = ktime_get();
dev_dbg(mdwc->dev, "%s received\n", __func__);
+
+ if (mdwc->drd_state == DRD_STATE_PERIPHERAL_SUSPEND) {
+ dev_info(mdwc->dev, "USB Resume start\n");
+ place_marker("M - USB device resume started");
+ }
+
/*
* When in Low Power Mode, can't read PWR_EVNT_IRQ_STAT_REG to acertain
* which interrupts have been triggered, as the clocks are disabled.
@@ -4851,6 +4858,12 @@
flush_workqueue(mdwc->dwc3_wq);
atomic_set(&mdwc->pm_suspended, 0);
+ if (atomic_read(&dwc->in_lpm) &&
+ mdwc->drd_state == DRD_STATE_PERIPHERAL_SUSPEND) {
+ dev_info(mdwc->dev, "USB Resume start\n");
+ place_marker("M - USB device resume started");
+ }
+
/* kick in otg state machine */
queue_work(mdwc->dwc3_wq, &mdwc->resume_work);
diff --git a/drivers/usb/gadget/composite.c b/drivers/usb/gadget/composite.c
index 469e98c..f7367ba 100755
--- a/drivers/usb/gadget/composite.c
+++ b/drivers/usb/gadget/composite.c
@@ -2502,7 +2502,7 @@
/* REVISIT: should we have config level
* suspend/resume callbacks?
*/
- INFO(cdev, "USB Resume\n");
+ INFO(cdev, "USB Resume end\n");
place_marker("M - USB device is resumed");
if (cdev->driver->resume)
cdev->driver->resume(cdev);