kernel: remove linux 4.1 support

The only target still referencing it is omap24xx, and it is marked as
broken.

Signed-off-by: Felix Fietkau <nbd@nbd.name>

1 files changed, 0 insertions, 250 deletions

diff --git a/target/linux/generic/patches-4.1/840-rtc7301.patch b/target/linux/generic/patches-4.1/840-rtc7301.patch
deleted file mode 100644
index 148ccaa..0000000
--- a/target/linux/generic/patches-4.1/840-rtc7301.patch
+++ /dev/null
@@ -1,250 +0,0 @@
---- a/drivers/rtc/Kconfig
-+++ b/drivers/rtc/Kconfig
-@@ -1109,6 +1109,15 @@ config RTC_DRV_OPAL
- 	  This driver can also be built as a module. If so, the module
- 	  will be called rtc-opal.
- 
-+config RTC_DRV_RTC7301
-+	tristate "Epson RTC-7301 SF/DG"
-+	help
-+	  If you say Y here you will get support for the
-+	  Epson RTC-7301 SF/DG RTC chips.
-+
-+	  This driver can also be built as a module. If so, the module
-+	  will be called rtc-7301.
-+
- comment "on-CPU RTC drivers"
- 
- config RTC_DRV_DAVINCI
---- a/drivers/rtc/Makefile
-+++ b/drivers/rtc/Makefile
-@@ -121,6 +121,7 @@ obj-$(CONFIG_RTC_DRV_RP5C01)	+= rtc-rp5c
- obj-$(CONFIG_RTC_DRV_RS5C313)	+= rtc-rs5c313.o
- obj-$(CONFIG_RTC_DRV_RS5C348)	+= rtc-rs5c348.o
- obj-$(CONFIG_RTC_DRV_RS5C372)	+= rtc-rs5c372.o
-+obj-$(CONFIG_RTC_DRV_RTC7301)	+= rtc-rtc7301.o
- obj-$(CONFIG_RTC_DRV_RV3029C2)	+= rtc-rv3029c2.o
- obj-$(CONFIG_RTC_DRV_RX4581)	+= rtc-rx4581.o
- obj-$(CONFIG_RTC_DRV_RX8025)	+= rtc-rx8025.o
---- /dev/null
-+++ b/drivers/rtc/rtc-rtc7301.c
-@@ -0,0 +1,219 @@
-+/*
-+ * Driver for Epson RTC-7301SF/DG
-+ *
-+ * Copyright (C) 2009 Jose Vasconcellos
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License version 2 as
-+ * published by the Free Software Foundation.
-+ */
-+
-+#include <linux/module.h>
-+#include <linux/rtc.h>
-+#include <linux/platform_device.h>
-+#include <linux/io.h>
-+#include <linux/delay.h>
-+#include <linux/bcd.h>
-+
-+#define RTC_NAME "rtc7301"
-+#define RTC_VERSION "0.1"
-+
-+/* Epson RTC-7301 register addresses */
-+#define RTC7301_SEC		0x00
-+#define RTC7301_SEC10		0x01
-+#define RTC7301_MIN		0x02
-+#define RTC7301_MIN10		0x03
-+#define RTC7301_HOUR		0x04
-+#define RTC7301_HOUR10		0x05
-+#define RTC7301_WEEKDAY		0x06
-+#define RTC7301_DAY		0x07
-+#define RTC7301_DAY10		0x08
-+#define RTC7301_MON		0x09
-+#define RTC7301_MON10		0x0A
-+#define RTC7301_YEAR		0x0B
-+#define RTC7301_YEAR10		0x0C
-+#define RTC7301_YEAR100		0x0D
-+#define RTC7301_YEAR1000	0x0E
-+#define RTC7301_CTRLREG		0x0F
-+
-+static uint8_t __iomem *rtc7301_base;
-+
-+#define read_reg(offset) (readb(rtc7301_base + offset) & 0xf)
-+#define write_reg(offset, data) writeb(data, rtc7301_base + (offset))
-+
-+#define rtc7301_isbusy() (read_reg(RTC7301_CTRLREG) & 1)
-+
-+static void rtc7301_init_settings(void)
-+{
-+	int i;
-+
-+	write_reg(RTC7301_CTRLREG, 2);
-+	write_reg(RTC7301_YEAR1000, 2);
-+	udelay(122);
-+
-+	/* bank 1 */
-+	write_reg(RTC7301_CTRLREG, 6);
-+	for (i=0; i<15; i++)
-+		write_reg(i, 0);
-+
-+	/* bank 2 */
-+	write_reg(RTC7301_CTRLREG, 14);
-+	for (i=0; i<15; i++)
-+		write_reg(i, 0);
-+	write_reg(RTC7301_CTRLREG, 0);
-+}
-+
-+static int rtc7301_get_datetime(struct device *dev, struct rtc_time *dt)
-+{
-+	int cnt;
-+	uint8_t buf[16];
-+
-+	cnt = 0;
-+	while (rtc7301_isbusy()) {
-+		udelay(244);
-+		if (cnt++ > 100) {
-+			dev_err(dev, "%s: timeout error %x\n", __func__, rtc7301_base[RTC7301_CTRLREG]);
-+			return -EIO;
-+		}
-+	}
-+
-+	for (cnt=0; cnt<16; cnt++)
-+		buf[cnt] = read_reg(cnt);
-+
-+	if (buf[RTC7301_SEC10] & 8) {
-+		dev_err(dev, "%s: RTC not set\n", __func__);
-+		return -EINVAL;
-+	}
-+
-+	memset(dt, 0, sizeof(*dt));
-+
-+	dt->tm_sec =  buf[RTC7301_SEC] + buf[RTC7301_SEC10]*10;
-+	dt->tm_min =  buf[RTC7301_MIN] + buf[RTC7301_MIN10]*10;
-+	dt->tm_hour = buf[RTC7301_HOUR] + buf[RTC7301_HOUR10]*10;
-+
-+	dt->tm_mday = buf[RTC7301_DAY] + buf[RTC7301_DAY10]*10;
-+	dt->tm_mon =  buf[RTC7301_MON] + buf[RTC7301_MON10]*10 - 1;
-+	dt->tm_year = buf[RTC7301_YEAR] + buf[RTC7301_YEAR10]*10 +
-+		      buf[RTC7301_YEAR100]*100 +
-+		      ((buf[RTC7301_YEAR1000] & 3)*1000) - 1900;
-+
-+	/* the rtc device may contain illegal values on power up
-+	 * according to the data sheet. make sure they are valid.
-+	 */
-+
-+	return rtc_valid_tm(dt);
-+}
-+
-+static int rtc7301_set_datetime(struct device *dev, struct rtc_time *dt)
-+{
-+	int data;
-+
-+	data = dt->tm_year + 1900;
-+	if (data >= 2100 || data < 1900)
-+		return -EINVAL;
-+
-+	write_reg(RTC7301_CTRLREG, 2);
-+       	udelay(122);
-+
-+	data = bin2bcd(dt->tm_sec);
-+	write_reg(RTC7301_SEC, data);
-+	write_reg(RTC7301_SEC10, (data >> 4));
-+
-+	data = bin2bcd(dt->tm_min);
-+	write_reg(RTC7301_MIN, data );
-+	write_reg(RTC7301_MIN10, (data >> 4));
-+
-+	data = bin2bcd(dt->tm_hour);
-+	write_reg(RTC7301_HOUR, data);
-+	write_reg(RTC7301_HOUR10, (data >> 4));
-+
-+	data = bin2bcd(dt->tm_mday);
-+	write_reg(RTC7301_DAY, data);
-+	write_reg(RTC7301_DAY10, (data>> 4));
-+
-+	data = bin2bcd(dt->tm_mon + 1);
-+	write_reg(RTC7301_MON, data);
-+	write_reg(RTC7301_MON10, (data >> 4));
-+
-+	data = bin2bcd(dt->tm_year % 100);
-+	write_reg(RTC7301_YEAR, data);
-+	write_reg(RTC7301_YEAR10, (data >> 4));
-+	data = bin2bcd((1900 + dt->tm_year) / 100);
-+	write_reg(RTC7301_YEAR100, data);
-+
-+	data = bin2bcd(dt->tm_wday);
-+	write_reg(RTC7301_WEEKDAY, data);
-+
-+	write_reg(RTC7301_CTRLREG, 0);
-+
-+	return 0;
-+}
-+
-+static const struct rtc_class_ops rtc7301_rtc_ops = {
-+	.read_time	= rtc7301_get_datetime,
-+	.set_time	= rtc7301_set_datetime,
-+};
-+
-+static int rtc7301_probe(struct platform_device *pdev)
-+{
-+	struct rtc_device *rtc;
-+	struct resource *res;
-+
-+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-+	if (!res)
-+		return -ENOENT;
-+
-+	rtc7301_base = ioremap_nocache(res->start, 0x1000 /*res->end - res->start + 1*/);
-+	if (!rtc7301_base)
-+		return -EINVAL;
-+
-+	rtc = rtc_device_register(RTC_NAME, &pdev->dev,
-+				&rtc7301_rtc_ops, THIS_MODULE);
-+	if (IS_ERR(rtc)) {
-+		iounmap(rtc7301_base);
-+		return PTR_ERR(rtc);
-+	}
-+
-+	platform_set_drvdata(pdev, rtc);
-+
-+	rtc7301_init_settings();
-+	return 0;
-+}
-+
-+static int rtc7301_remove(struct platform_device *pdev)
-+{
-+	struct rtc_device *rtc = platform_get_drvdata(pdev);
-+
-+	if (rtc)
-+		rtc_device_unregister(rtc);
-+	if (rtc7301_base)
-+		iounmap(rtc7301_base);
-+	return 0;
-+}
-+
-+static struct platform_driver rtc7301_driver = {
-+	.driver = {
-+		.name	= RTC_NAME,
-+		.owner	= THIS_MODULE,
-+	},
-+	.probe	= rtc7301_probe,
-+	.remove = rtc7301_remove,
-+};
-+
-+static __init int rtc7301_init(void)
-+{
-+	return platform_driver_register(&rtc7301_driver);
-+}
-+module_init(rtc7301_init);
-+
-+static __exit void rtc7301_exit(void)
-+{
-+	platform_driver_unregister(&rtc7301_driver);
-+}
-+module_exit(rtc7301_exit);
-+
-+MODULE_DESCRIPTION("Epson 7301 RTC driver");
-+MODULE_AUTHOR("Jose Vasconcellos <jvasco@verizon.net>");
-+MODULE_LICENSE("GPL");
-+MODULE_ALIAS("platform:" RTC_NAME);
-+MODULE_VERSION(RTC_VERSION);