From ea08eeccae9297f7aabd2ef7f0c2517ac4549acc Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 20 Feb 2024 01:18:26 +0000
Subject: [PATCH] write in 30M
---
kernel/drivers/rtc/rtc-hym8563.c | 22 +++++-----------------
1 files changed, 5 insertions(+), 17 deletions(-)
diff --git a/kernel/drivers/rtc/rtc-hym8563.c b/kernel/drivers/rtc/rtc-hym8563.c
index 2896c02..f1c3fb4 100644
--- a/kernel/drivers/rtc/rtc-hym8563.c
+++ b/kernel/drivers/rtc/rtc-hym8563.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Haoyu HYM8563 RTC driver
*
@@ -6,15 +7,6 @@
*
* based on rtc-HYM8563
* Copyright (C) 2010 ROCKCHIP, Inc.
- *
- * This software is licensed under the terms of the GNU General Public
- * License version 2, as published by the Free Software Foundation, and
- * may be copied, distributed, and modified under those terms.
- *
- * 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.
*/
#include <linux/module.h>
@@ -102,6 +94,8 @@
int ret;
ret = i2c_smbus_read_i2c_block_data(client, HYM8563_SEC, 7, buf);
+ if (ret < 0)
+ return ret;
tm->tm_sec = bcd2bin(buf[0] & HYM8563_SEC_MASK);
tm->tm_min = bcd2bin(buf[1] & HYM8563_MIN_MASK);
@@ -417,17 +411,11 @@
struct i2c_client *client = hym8563->client;
struct device_node *node = client->dev.of_node;
struct clk *clk;
- struct clk_init_data init = {};
- int ret;
-
- ret = i2c_smbus_write_byte_data(client, HYM8563_CLKOUT,
- 0);
- if (ret < 0)
- return ERR_PTR(ret);
+ struct clk_init_data init;
init.name = "hym8563-clkout";
init.ops = &hym8563_clkout_ops;
- init.flags = 0;
+ init.flags = CLK_IS_CRITICAL;
init.parent_names = NULL;
init.num_parents = 0;
hym8563->clkout_hw.init = &init;
--
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