add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/rtc/rtc-mcp795.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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  * SPI Driver for Microchip MCP795 RTC
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  *
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@@ -6,12 +7,7 @@
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  * based on other Linux RTC drivers
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  *
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  * Device datasheet:
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- * http://ww1.microchip.com/downloads/en/DeviceDoc/22280A.pdf
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- *
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License version 2 as
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- * published by the Free Software Foundation.
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- *
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+ * https://ww1.microchip.com/downloads/en/DeviceDoc/22280A.pdf
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  */
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 #include <linux/module.h>
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@@ -233,9 +229,7 @@
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 	if (ret)
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 		return ret;
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-	dev_dbg(dev, "Set mcp795: %04d-%02d-%02d(%d) %02d:%02d:%02d\n",
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-			tim->tm_year + 1900, tim->tm_mon, tim->tm_mday,
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-			tim->tm_wday, tim->tm_hour, tim->tm_min, tim->tm_sec);
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+	dev_dbg(dev, "Set mcp795: %ptR\n", tim);
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 	return 0;
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 }
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@@ -258,9 +252,7 @@
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 	tim->tm_mon	= bcd2bin(data[5] & 0x1F) - 1;
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 	tim->tm_year	= bcd2bin(data[6]) + 100; /* Assume we are in 20xx */
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-	dev_dbg(dev, "Read from mcp795: %04d-%02d-%02d(%d) %02d:%02d:%02d\n",
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-			tim->tm_year + 1900, tim->tm_mon, tim->tm_mday,
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-			tim->tm_wday, tim->tm_hour, tim->tm_min, tim->tm_sec);
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+	dev_dbg(dev, "Read from mcp795: %ptR\n", tim);
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 	return 0;
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 }
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@@ -319,9 +311,8 @@
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 			return ret;
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 		dev_dbg(dev, "Alarm IRQ armed\n");
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 	}
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-	dev_dbg(dev, "Set alarm: %02d-%02d(%d) %02d:%02d:%02d\n",
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-			alm->time.tm_mon, alm->time.tm_mday, alm->time.tm_wday,
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-			alm->time.tm_hour, alm->time.tm_min, alm->time.tm_sec);
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+	dev_dbg(dev, "Set alarm: %ptRdr(%d) %ptRt\n",
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+		&alm->time, alm->time.tm_wday, &alm->time);
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 	return 0;
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 }
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@@ -345,9 +336,8 @@
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 	alm->time.tm_isdst	= -1;
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 	alm->time.tm_yday	= -1;
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-	dev_dbg(dev, "Read alarm: %02d-%02d(%d) %02d:%02d:%02d\n",
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-			alm->time.tm_mon, alm->time.tm_mday, alm->time.tm_wday,
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-			alm->time.tm_hour, alm->time.tm_min, alm->time.tm_sec);
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+	dev_dbg(dev, "Read alarm: %ptRdr(%d) %ptRt\n",
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+		&alm->time, alm->time.tm_wday, &alm->time);
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 	return 0;
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 }
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