linux-kernel - [PATCH v4 mvebu 4/4] firmware: turris-mox-rwtm: show message about HWRNG registration

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Message-Id: <20210520113520.32240-5-pali@kernel.org>
Date:   Thu, 20 May 2021 13:35:20 +0200
From:   Pali Rohár <pali@...nel.org>
To:     Gregory CLEMENT <gregory.clement@...tlin.com>,
        Andrew Lunn <andrew@...n.ch>
Cc:     Marek Behún <kabel@...nel.org>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH v4 mvebu 4/4] firmware: turris-mox-rwtm: show message about HWRNG registration

Currently it is hard to determinate if on Armada 3720 device is HWRNG
by running kernel accessible or not. So print information message into
dmesg when HWRNG is available and registration was successful.

Signed-off-by: Pali Rohár <pali@...nel.org>
Fixes: 389711b37493 ("firmware: Add Turris Mox rWTM firmware driver")
---
 drivers/firmware/turris-mox-rwtm.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/firmware/turris-mox-rwtm.c b/drivers/firmware/turris-mox-rwtm.c
index 3ef9687dddca..1cf4f1087492 100644
--- a/drivers/firmware/turris-mox-rwtm.c
+++ b/drivers/firmware/turris-mox-rwtm.c
@@ -542,6 +542,8 @@ static int turris_mox_rwtm_probe(struct platform_device *pdev)
 		goto free_channel;
 	}
 
+	dev_info(dev, "HWRNG successfully registered\n");
+
 	return 0;
 
 free_channel:
-- 
2.20.1