add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/rtc/rtc-rx6110.c
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@@ -1,17 +1,9 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * Driver for the Epson RTC module RX-6110 SA
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  *
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  * Copyright(C) 2015 Pengutronix, Steffen Trumtrar <kernel@pengutronix.de>
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  * Copyright(C) SEIKO EPSON CORPORATION 2013. All rights reserved.
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- *
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- * This driver software is distributed as is, without any warranty of any kind,
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- * either express or implied as further specified in the GNU Public License.
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- * This software may be used and distributed according to the terms of the GNU
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- * Public License, version 2 as published by the Free Software Foundation.
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- * See the file COPYING in the main directory of this archive for more details.
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- *
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- * You should have received a copy of the GNU General Public License along with
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- * this program. If not, see <http://www.gnu.org/licenses/>.
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  */
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 #include <linux/bcd.h>
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@@ -21,6 +13,8 @@
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 #include <linux/of_gpio.h>
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 #include <linux/regmap.h>
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 #include <linux/rtc.h>
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+#include <linux/of.h>
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+#include <linux/of_device.h>
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 #include <linux/spi/spi.h>
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 /* RX-6110 Register definitions */
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@@ -114,9 +108,7 @@
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  */
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 static int rx6110_rtc_tm_to_data(struct rtc_time *tm, u8 *data)
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 {
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-	pr_debug("%s: date %ds %dm %dh %dmd %dm %dy\n", __func__,
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-		 tm->tm_sec, tm->tm_min, tm->tm_hour,
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-		 tm->tm_mday, tm->tm_mon, tm->tm_year);
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+	pr_debug("%s: date %ptRr\n", __func__, tm);
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 	/*
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 	 * The year in the RTC is a value between 0 and 99.
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@@ -154,9 +146,7 @@
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 	tm->tm_mon = bcd2bin(data[RTC_MONTH] & 0x1f) - 1;
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 	tm->tm_year = bcd2bin(data[RTC_YEAR]) + 100;
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-	pr_debug("%s: date %ds %dm %dh %dmd %dm %dy\n", __func__,
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-		 tm->tm_sec, tm->tm_min, tm->tm_hour,
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-		 tm->tm_mday, tm->tm_mon, tm->tm_year);
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+	pr_debug("%s: date %ptRr\n", __func__, tm);
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 	/*
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 	 * The year in the RTC is a value between 0 and 99.
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@@ -248,9 +238,7 @@
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 	if (ret)
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 		return ret;
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-	dev_dbg(dev, "%s: date %ds %dm %dh %dmd %dm %dy\n", __func__,
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-		tm->tm_sec, tm->tm_min, tm->tm_hour,
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-		tm->tm_mday, tm->tm_mon, tm->tm_year);
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+	dev_dbg(dev, "%s: date %ptRr\n", __func__, tm);
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 	return 0;
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 }
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@@ -374,23 +362,24 @@
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 	return 0;
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 }
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-static int rx6110_remove(struct spi_device *spi)
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-{
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-	return 0;
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-}
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-
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 static const struct spi_device_id rx6110_id[] = {
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 	{ "rx6110", 0 },
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 	{ }
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 };
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 MODULE_DEVICE_TABLE(spi, rx6110_id);
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+static const struct of_device_id rx6110_spi_of_match[] = {
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+	{ .compatible = "epson,rx6110" },
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+	{ },
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+};
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+MODULE_DEVICE_TABLE(of, rx6110_spi_of_match);
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+
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 static struct spi_driver rx6110_driver = {
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 	.driver = {
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 		.name = RX6110_DRIVER_NAME,
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+		.of_match_table = of_match_ptr(rx6110_spi_of_match),
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 	},
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 	.probe		= rx6110_probe,
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-	.remove		= rx6110_remove,
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 	.id_table	= rx6110_id,
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 };
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