From b22da3d8526a935aa31e086e63f60ff3246cb61c Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Sat, 09 Dec 2023 07:24:11 +0000
Subject: [PATCH] add stmac read mac form eeprom
---
kernel/drivers/char/hw_random/xgene-rng.c | 27 ++++-----------------------
1 files changed, 4 insertions(+), 23 deletions(-)
diff --git a/kernel/drivers/char/hw_random/xgene-rng.c b/kernel/drivers/char/hw_random/xgene-rng.c
index 7175579..008e6db 100644
--- a/kernel/drivers/char/hw_random/xgene-rng.c
+++ b/kernel/drivers/char/hw_random/xgene-rng.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* APM X-Gene SoC RNG Driver
*
@@ -5,20 +6,6 @@
* Author: Rameshwar Prasad Sahu <rsahu@apm.com>
* Shamal Winchurkar <swinchurkar@apm.com>
* Feng Kan <fkan@apm.com>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
*/
#include <linux/acpi.h>
@@ -326,7 +313,6 @@
static int xgene_rng_probe(struct platform_device *pdev)
{
- struct resource *res;
struct xgene_rng_dev *ctx;
int rc = 0;
@@ -337,16 +323,13 @@
ctx->dev = &pdev->dev;
platform_set_drvdata(pdev, ctx);
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- ctx->csr_base = devm_ioremap_resource(&pdev->dev, res);
+ ctx->csr_base = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(ctx->csr_base))
return PTR_ERR(ctx->csr_base);
rc = platform_get_irq(pdev, 0);
- if (rc < 0) {
- dev_err(&pdev->dev, "No IRQ resource\n");
+ if (rc < 0)
return rc;
- }
ctx->irq = rc;
dev_dbg(&pdev->dev, "APM X-Gene RNG BASE %p ALARM IRQ %d",
@@ -374,7 +357,7 @@
xgene_rng_func.priv = (unsigned long) ctx;
- rc = hwrng_register(&xgene_rng_func);
+ rc = devm_hwrng_register(&pdev->dev, &xgene_rng_func);
if (rc) {
dev_err(&pdev->dev, "RNG registering failed error %d\n", rc);
if (!IS_ERR(ctx->clk))
@@ -388,7 +371,6 @@
rc);
if (!IS_ERR(ctx->clk))
clk_disable_unprepare(ctx->clk);
- hwrng_unregister(&xgene_rng_func);
return rc;
}
@@ -405,7 +387,6 @@
dev_err(&pdev->dev, "RNG init wakeup failed error %d\n", rc);
if (!IS_ERR(ctx->clk))
clk_disable_unprepare(ctx->clk);
- hwrng_unregister(&xgene_rng_func);
return rc;
}
--
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