linux-kernel - [PATCH] soc/tegra: fuse: Remove nvmem root only access

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Date:   Tue, 17 Jan 2023 14:00:55 +0530
From:   Kartik <kkartik@...dia.com>
To:     <thierry.reding@...il.com>, <jonathanh@...dia.com>,
        <kkartik@...dia.com>, <pshete@...dia.com>, <arnd@...db.de>,
        <skamble@...dia.com>, <windhl@....com>,
        <linux-tegra@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH] soc/tegra: fuse: Remove nvmem root only access

To read fuse values, various "non-root" userspace applications require
access to nvmem binary interface.

Remove root only access for nvmem userspace binary interface.

Signed-off-by: Kartik <kkartik@...dia.com>
---
 drivers/soc/tegra/fuse/fuse-tegra.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/soc/tegra/fuse/fuse-tegra.c b/drivers/soc/tegra/fuse/fuse-tegra.c
index f02953f793e9..d7a37f5d4527 100644
--- a/drivers/soc/tegra/fuse/fuse-tegra.c
+++ b/drivers/soc/tegra/fuse/fuse-tegra.c
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0-only
 /*
- * Copyright (c) 2013-2022, NVIDIA CORPORATION.  All rights reserved.
+ * Copyright (c) 2013-2023, NVIDIA CORPORATION.  All rights reserved.
  */
 
 #include <linux/clk.h>
@@ -166,7 +166,7 @@ static int tegra_fuse_probe(struct platform_device *pdev)
 	nvmem.nkeepout = fuse->soc->num_keepouts;
 	nvmem.type = NVMEM_TYPE_OTP;
 	nvmem.read_only = true;
-	nvmem.root_only = true;
+	nvmem.root_only = false;
 	nvmem.reg_read = tegra_fuse_read;
 	nvmem.size = fuse->soc->info->size;
 	nvmem.word_size = 4;
-- 
2.34.1