linux-kernel - [PATCH v2 10/15] soc: qcom: ipa: use new module_firmware

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Message-Id: <20200515212846.1347-11-mcgrof@kernel.org>
Date:   Fri, 15 May 2020 21:28:41 +0000
From:   Luis Chamberlain <mcgrof@...nel.org>
To:     jeyu@...nel.org
Cc:     akpm@...ux-foundation.org, arnd@...db.de, rostedt@...dmis.org,
        mingo@...hat.com, aquini@...hat.com, cai@....pw, dyoung@...hat.com,
        bhe@...hat.com, peterz@...radead.org, tglx@...utronix.de,
        gpiccoli@...onical.com, pmladek@...e.com, tiwai@...e.de,
        schlad@...e.de, andriy.shevchenko@...ux.intel.com,
        keescook@...omium.org, daniel.vetter@...ll.ch, will@...nel.org,
        mchehab+samsung@...nel.org, kvalo@...eaurora.org,
        davem@...emloft.net, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, Luis Chamberlain <mcgrof@...nel.org>,
        Alex Elder <elder@...nel.org>
Subject: [PATCH v2 10/15] soc: qcom: ipa: use new module_firmware_crashed()

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@...nel.org>
Signed-off-by: Luis Chamberlain <mcgrof@...nel.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);
-- 
2.26.2