linux-kernel - [PATCH] drivers: crypto: caam: jr: add .shutdown hook

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Date:   Sat, 11 Mar 2023 13:55:43 +0530
From:   meenakshi.aggarwal@....com
To:     horia.geanta@....com, V.sethi@....com, pankaj.gupta@....com,
        gaurav.jain@....com, herbert@...dor.apana.org.au,
        davem@...emloft.net, linux-crypto@...r.kernel.org,
        linux-kernel@...r.kernel.org, franck.lenormand@....com
Cc:     vijayb@...ux.microsoft.com, code@...icks.com
Subject: [PATCH] drivers: crypto: caam: jr: add .shutdown hook

From: Gaurav Jain <gaurav.jain@....com>

add .shutdown hook in caam_jr driver to support kexec boot

Signed-off-by: Gaurav Jain <gaurav.jain@....com>
Tested-by: Vijay Balakrishna <vijayb@...ux.microsoft.com>
Reviewed-by: Pankaj Gupta <pankaj.gupta@....com>
---
 drivers/crypto/caam/jr.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/crypto/caam/jr.c b/drivers/crypto/caam/jr.c
index 724fdec18bf9..ca5b49ea3821 100644
--- a/drivers/crypto/caam/jr.c
+++ b/drivers/crypto/caam/jr.c
@@ -163,6 +163,11 @@ static int caam_jr_remove(struct platform_device *pdev)
 	return ret;
 }
 
+static void caam_jr_platform_shutdown(struct platform_device *pdev)
+{
+	caam_jr_remove(pdev);
+}
+
 /* Main per-ring interrupt handler */
 static irqreturn_t caam_jr_interrupt(int irq, void *st_dev)
 {
@@ -618,6 +623,7 @@ static struct platform_driver caam_jr_driver = {
 	},
 	.probe       = caam_jr_probe,
 	.remove      = caam_jr_remove,
+	.shutdown    = caam_jr_platform_shutdown,
 };
 
 static int __init jr_driver_init(void)
-- 
2.25.1