add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/rtc/rtc-hym8563.c
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@@ -1,3 +1,4 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * Haoyu HYM8563 RTC driver
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  *
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@@ -6,15 +7,6 @@
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  *
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  * based on rtc-HYM8563
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  * Copyright (C) 2010 ROCKCHIP, Inc.
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- *
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- * This software is licensed under the terms of the GNU General Public
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- * License version 2, as published by the Free Software Foundation, and
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- * may be copied, distributed, and modified under those terms.
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- *
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- * This program is distributed in the hope that it will be useful,
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- * but WITHOUT ANY WARRANTY; without even the implied warranty of
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- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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- * GNU General Public License for more details.
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  */
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 #include <linux/module.h>
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@@ -102,6 +94,8 @@
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 	int ret;
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 	ret = i2c_smbus_read_i2c_block_data(client, HYM8563_SEC, 7, buf);
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+	if (ret < 0)
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+		return ret;
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 	tm->tm_sec = bcd2bin(buf[0] & HYM8563_SEC_MASK);
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 	tm->tm_min = bcd2bin(buf[1] & HYM8563_MIN_MASK);
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@@ -417,17 +411,11 @@
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 	struct i2c_client *client = hym8563->client;
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 	struct device_node *node = client->dev.of_node;
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 	struct clk *clk;
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-	struct clk_init_data init = {};
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-	int ret;
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-
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-	ret = i2c_smbus_write_byte_data(client, HYM8563_CLKOUT,
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-						0);
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-	if (ret < 0)
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-		return ERR_PTR(ret);
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+	struct clk_init_data init;
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 	init.name = "hym8563-clkout";
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 	init.ops = &hym8563_clkout_ops;
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-	init.flags = 0;
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+	init.flags = CLK_IS_CRITICAL;
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 	init.parent_names = NULL;
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 	init.num_parents = 0;
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 	hym8563->clkout_hw.init = &init;