Thread (33 messages) flat view 33 messages, 8 authors, 2020-05-15
STALE2280d

Revision v1 of 2 in this series.

Revisions (2)
  1. v1 current
  2. v2 [diff vs current]

[PATCH 10/15] soc: qcom: ipa: use new module_firmware_crashed()

From: Luis Chamberlain <mcgrof@kernel.org>
Date: 2020-05-09 04:36:53
Also in: lkml
Subsystem: networking drivers, qcom ipa driver, the rest · Maintainers: Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Alex Elder, Linus Torvalds

This makes use of the new module_firmware_crashed() to help
annotate when firmware for device drivers crash. When firmware
crashes devices can sometimes become unresponsive, and recovery
sometimes requires a driver unload / reload and in the worst cases
a reboot.

Using a taint flag allows us to annotate when this happens clearly.

Cc: Alex Elder <elder@kernel.org>
Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
---
 drivers/net/ipa/ipa_modem.c | 1 +
 1 file changed, 1 insertion(+)
diff --git a/drivers/net/ipa/ipa_modem.c b/drivers/net/ipa/ipa_modem.c
index ed10818dd99f..1790b87446ed 100644
--- a/drivers/net/ipa/ipa_modem.c
+++ b/drivers/net/ipa/ipa_modem.c
@@ -285,6 +285,7 @@ static void ipa_modem_crashed(struct ipa *ipa)
 	struct device *dev = &ipa->pdev->dev;
 	int ret;
 
+	module_firmware_crashed();
 	ipa_endpoint_modem_pause_all(ipa, true);
 
 	ipa_endpoint_modem_hol_block_clear_all(ipa);
-- 
2.25.1
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