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path: root/drivers/rtc/rtc-tile.c
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Diffstat (limited to 'drivers/rtc/rtc-tile.c')
-rw-r--r--drivers/rtc/rtc-tile.c146
1 files changed, 0 insertions, 146 deletions
diff --git a/drivers/rtc/rtc-tile.c b/drivers/rtc/rtc-tile.c
deleted file mode 100644
index 0b60867d8390..000000000000
--- a/drivers/rtc/rtc-tile.c
+++ /dev/null
@@ -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");