From 95099d4622f8cb224d94e314c7a8e0df60b13f87 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Sat, 09 Dec 2023 08:38:01 +0000
Subject: [PATCH] enable docker ppp
---
kernel/drivers/mfd/atmel-hlcdc.c | 30 +++++++++++++++---------------
1 files changed, 15 insertions(+), 15 deletions(-)
diff --git a/kernel/drivers/mfd/atmel-hlcdc.c b/kernel/drivers/mfd/atmel-hlcdc.c
index e82543b..3c2414b 100644
--- a/kernel/drivers/mfd/atmel-hlcdc.c
+++ b/kernel/drivers/mfd/atmel-hlcdc.c
@@ -1,20 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2014 Free Electrons
* Copyright (C) 2014 Atmel
*
* Author: Boris BREZILLON <boris.brezillon@free-electrons.com>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 as published by
- * the Free Software Foundation.
- *
- * 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/clk.h>
@@ -30,6 +19,7 @@
struct atmel_hlcdc_regmap {
void __iomem *regs;
+ struct device *dev;
};
static const struct mfd_cell atmel_hlcdc_cells[] = {
@@ -50,10 +40,17 @@
if (reg <= ATMEL_HLCDC_DIS) {
u32 status;
+ int ret;
- readl_poll_timeout_atomic(hregmap->regs + ATMEL_HLCDC_SR,
- status, !(status & ATMEL_HLCDC_SIP),
- 1, 100);
+ ret = readl_poll_timeout_atomic(hregmap->regs + ATMEL_HLCDC_SR,
+ status,
+ !(status & ATMEL_HLCDC_SIP),
+ 1, 100);
+ if (ret) {
+ dev_err(hregmap->dev,
+ "Timeout! Clock domain synchronization is in progress!\n");
+ return ret;
+ }
}
writel(val, hregmap->regs + reg);
@@ -101,6 +98,8 @@
if (IS_ERR(hregmap->regs))
return PTR_ERR(hregmap->regs);
+ hregmap->dev = &pdev->dev;
+
hlcdc->irq = platform_get_irq(pdev, 0);
if (hlcdc->irq < 0)
return hlcdc->irq;
@@ -141,6 +140,7 @@
{ .compatible = "atmel,sama5d2-hlcdc" },
{ .compatible = "atmel,sama5d3-hlcdc" },
{ .compatible = "atmel,sama5d4-hlcdc" },
+ { .compatible = "microchip,sam9x60-hlcdc" },
{ /* sentinel */ },
};
MODULE_DEVICE_TABLE(of, atmel_hlcdc_match);
--
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