diff mbox series

mhi: pci_generic: Print warning in case of firmware crash

Message ID 1612369983-21013-1-git-send-email-loic.poulain@linaro.org
State Superseded
Headers show
Series mhi: pci_generic: Print warning in case of firmware crash | expand

Commit Message

Loic Poulain Feb. 3, 2021, 4:33 p.m. UTC 
Print warning when MHI detects sys error.

Signed-off-by: Loic Poulain <loic.poulain@linaro.org>

---
 drivers/bus/mhi/pci_generic.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

-- 
2.7.4
diff mbox series

Patch

diff --git a/drivers/bus/mhi/pci_generic.c b/drivers/bus/mhi/pci_generic.c
index 444693e..81b1500 100644
--- a/drivers/bus/mhi/pci_generic.c
+++ b/drivers/bus/mhi/pci_generic.c
@@ -217,7 +217,19 @@  static void mhi_pci_write_reg(struct mhi_controller *mhi_cntrl,
 static void mhi_pci_status_cb(struct mhi_controller *mhi_cntrl,
 			      enum mhi_callback cb)
 {
+	struct pci_dev *pdev = to_pci_dev(mhi_cntrl->cntrl_dev);
+	struct mhi_pci_device *mhi_pdev = pci_get_drvdata(pdev);
+
 	/* Nothing to do for now */
+	switch (cb) {
+	case MHI_CB_FATAL_ERROR:
+		/* fallthrough */
+	case MHI_CB_SYS_ERROR:
+		dev_warn(&pdev->dev, "firmware crashed (%u)\n", cb);
+		break;
+	default:
+		break;
+	}
 }
 
 static bool mhi_pci_is_alive(struct mhi_controller *mhi_cntrl)