rtc: remove tile driver

The tile architecture is getting removed, so this driver is
no longer needed.

Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

drivers/rtc/Kconfig

@@ -1656,13 +1656,6 @@ config RTC_DRV_TEGRA
 	  This drive can also be built as a module. If so, the module
 	  will be called rtc-tegra.
 
-config RTC_DRV_TILE
-	tristate "Tilera hypervisor RTC support"
-	depends on TILE
-	help
-	  Enable support for the Linux driver side of the Tilera
-	  hypervisor's real-time clock interface.
-
 config RTC_DRV_PUV3
 	tristate "PKUnity v3 RTC support"
 	depends on ARCH_PUV3

drivers/rtc/Makefile

@@ -162,7 +162,6 @@ obj-$(CONFIG_RTC_DRV_SUN6I)	+= rtc-sun6i.o
 obj-$(CONFIG_RTC_DRV_SUNXI)	+= rtc-sunxi.o
 obj-$(CONFIG_RTC_DRV_TEGRA)	+= rtc-tegra.o
 obj-$(CONFIG_RTC_DRV_TEST)	+= rtc-test.o
-obj-$(CONFIG_RTC_DRV_TILE)	+= rtc-tile.o
 obj-$(CONFIG_RTC_DRV_TPS6586X)	+= rtc-tps6586x.o
 obj-$(CONFIG_RTC_DRV_TPS65910)	+= rtc-tps65910.o
 obj-$(CONFIG_RTC_DRV_TPS80031)	+= rtc-tps80031.o

drivers/rtc/rtc-tile.c

@@ -1,146 +0,0 @@
-/*
- * Copyright 2011 Tilera Corporation. All Rights Reserved.
- *
- *   This program is free software; you can redistribute it and/or
- *   modify it under the terms of the GNU General Public License
- *   as published by the Free Software Foundation, version 2.
- *
- *   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, GOOD TITLE or
- *   NON INFRINGEMENT.  See the GNU General Public License for
- *   more details.
- *
- * Tilera-specific RTC driver.
- */
-
-#include <linux/module.h>
-#include <linux/device.h>
-#include <linux/rtc.h>
-#include <linux/platform_device.h>
-
-/* Platform device pointer. */
-static struct platform_device *tile_rtc_platform_device;
-
-/*
- * RTC read routine.  Gets time info from RTC chip via hypervisor syscall.
- */
-static int read_rtc_time(struct device *dev, struct rtc_time *tm)
-{
-	HV_RTCTime hvtm = hv_get_rtc();
-
-	tm->tm_sec = hvtm.tm_sec;
-	tm->tm_min = hvtm.tm_min;
-	tm->tm_hour = hvtm.tm_hour;
-	tm->tm_mday = hvtm.tm_mday;
-	tm->tm_mon = hvtm.tm_mon;
-	tm->tm_year = hvtm.tm_year;
-	tm->tm_wday = 0;
-	tm->tm_yday = 0;
-	tm->tm_isdst = 0;
-
-	if (rtc_valid_tm(tm) < 0)
-		dev_warn(dev, "Read invalid date/time from RTC\n");
-
-	return 0;
-}
-
-/*
- * RTC write routine.  Sends time info to hypervisor via syscall, to be
- * written to RTC chip.
- */
-static int set_rtc_time(struct device *dev, struct rtc_time *tm)
-{
-	HV_RTCTime hvtm;
-
-	hvtm.tm_sec = tm->tm_sec;
-	hvtm.tm_min = tm->tm_min;
-	hvtm.tm_hour = tm->tm_hour;
-	hvtm.tm_mday = tm->tm_mday;
-	hvtm.tm_mon = tm->tm_mon;
-	hvtm.tm_year = tm->tm_year;
-
-	hv_set_rtc(hvtm);
-
-	return 0;
-}
-
-/*
- * RTC read/write ops.
- */
-static const struct rtc_class_ops tile_rtc_ops = {
-	.read_time	= read_rtc_time,
-	.set_time	= set_rtc_time,
-};
-
-/*
- * Device probe routine.
- */
-static int tile_rtc_probe(struct platform_device *dev)
-{
-	struct rtc_device *rtc;
-
-	rtc = devm_rtc_device_register(&dev->dev, "tile",
-				&tile_rtc_ops, THIS_MODULE);
-
-	if (IS_ERR(rtc))
-		return PTR_ERR(rtc);
-
-	platform_set_drvdata(dev, rtc);
-
-	return 0;
-}
-
-static struct platform_driver tile_rtc_platform_driver = {
-	.driver		= {
-		.name	= "rtc-tile",
-	},
-	.probe		= tile_rtc_probe,
-};
-
-/*
- * Driver init routine.
- */
-static int __init tile_rtc_driver_init(void)
-{
-	int err;
-
-	err = platform_driver_register(&tile_rtc_platform_driver);
-	if (err)
-		return err;
-
-	tile_rtc_platform_device = platform_device_alloc("rtc-tile", 0);
-	if (tile_rtc_platform_device == NULL) {
-		err = -ENOMEM;
-		goto exit_driver_unregister;
-	}
-
-	err = platform_device_add(tile_rtc_platform_device);
-	if (err)
-		goto exit_device_put;
-
-	return 0;
-
-exit_device_put:
-	platform_device_put(tile_rtc_platform_device);
-
-exit_driver_unregister:
-	platform_driver_unregister(&tile_rtc_platform_driver);
-	return err;
-}
-
-/*
- * Driver cleanup routine.
- */
-static void __exit tile_rtc_driver_exit(void)
-{
-	platform_device_unregister(tile_rtc_platform_device);
-	platform_driver_unregister(&tile_rtc_platform_driver);
-}
-
-module_init(tile_rtc_driver_init);
-module_exit(tile_rtc_driver_exit);
-
-MODULE_DESCRIPTION("Tilera-specific Real Time Clock Driver");
-MODULE_LICENSE("GPL");
-MODULE_ALIAS("platform:rtc-tile");