diff mbox series

[V5,2/5] rtc: Remove the Loongson-1 RTC driver

Message ID c38c666015a162d7031b20a48209ce577bab62cd.1685693501.git.zhoubinbin@loongson.cn
State Accepted
Commit 9fb23090658adbd7f8f44bf5c38aa3fc4b1699bd
Headers show
Series Add rtc driver for the Loongson family chips | expand

Commit Message

Binbin Zhou June 2, 2023, 9:50 a.m. UTC
Remove the ls1x-rtc driver as it is obsolete. We will continue to
support the ls1x RTC in the upcoming Loongson unified RTC driver
rtc-loongson.

Cc: Keguang Zhang <keguang.zhang@gmail.com>
Cc: zhao zhang <zhzhl555@gmail.com>
Cc: Yang Ling <gnaygnil@gmail.com>
Signed-off-by: Binbin Zhou <zhoubinbin@loongson.cn>
---
 drivers/rtc/Kconfig    |  10 ---
 drivers/rtc/Makefile   |   1 -
 drivers/rtc/rtc-ls1x.c | 192 -----------------------------------------
 3 files changed, 203 deletions(-)
 delete mode 100644 drivers/rtc/rtc-ls1x.c

Comments

Keguang Zhang June 2, 2023, 11:26 a.m. UTC | #1
On Fri, Jun 2, 2023 at 5:51 PM Binbin Zhou <zhoubinbin@loongson.cn> wrote:
>
> Remove the ls1x-rtc driver as it is obsolete. We will continue to
> support the ls1x RTC in the upcoming Loongson unified RTC driver
> rtc-loongson.
>
> Cc: Keguang Zhang <keguang.zhang@gmail.com>
> Cc: zhao zhang <zhzhl555@gmail.com>
> Cc: Yang Ling <gnaygnil@gmail.com>
> Signed-off-by: Binbin Zhou <zhoubinbin@loongson.cn>

Acked-by: Keguang Zhang <keguang.zhang@gmail.com>

> ---
>  drivers/rtc/Kconfig    |  10 ---
>  drivers/rtc/Makefile   |   1 -
>  drivers/rtc/rtc-ls1x.c | 192 -----------------------------------------
>  3 files changed, 203 deletions(-)
>  delete mode 100644 drivers/rtc/rtc-ls1x.c
>
> diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig
> index 753872408615..599f5110a251 100644
> --- a/drivers/rtc/Kconfig
> +++ b/drivers/rtc/Kconfig
> @@ -1726,16 +1726,6 @@ 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_LOONGSON1
> -       tristate "loongson1 RTC support"
> -       depends on MACH_LOONGSON32
> -       help
> -         This is a driver for the loongson1 on-chip Counter0 (Time-Of-Year
> -         counter) to be used as a RTC.
> -
> -         This driver can also be built as a module. If so, the module
> -         will be called rtc-ls1x.
> -
>  config RTC_DRV_MXC
>         tristate "Freescale MXC Real Time Clock"
>         depends on ARCH_MXC || COMPILE_TEST
> diff --git a/drivers/rtc/Makefile b/drivers/rtc/Makefile
> index ea445d1ebb17..c50afd8fb9f4 100644
> --- a/drivers/rtc/Makefile
> +++ b/drivers/rtc/Makefile
> @@ -78,7 +78,6 @@ obj-$(CONFIG_RTC_DRV_ISL12022)        += rtc-isl12022.o
>  obj-$(CONFIG_RTC_DRV_ISL12026) += rtc-isl12026.o
>  obj-$(CONFIG_RTC_DRV_ISL1208)  += rtc-isl1208.o
>  obj-$(CONFIG_RTC_DRV_JZ4740)   += rtc-jz4740.o
> -obj-$(CONFIG_RTC_DRV_LOONGSON1)        += rtc-ls1x.o
>  obj-$(CONFIG_RTC_DRV_LP8788)   += rtc-lp8788.o
>  obj-$(CONFIG_RTC_DRV_LPC24XX)  += rtc-lpc24xx.o
>  obj-$(CONFIG_RTC_DRV_LPC32XX)  += rtc-lpc32xx.o
> diff --git a/drivers/rtc/rtc-ls1x.c b/drivers/rtc/rtc-ls1x.c
> deleted file mode 100644
> index 5af26dc5c2a3..000000000000
> --- a/drivers/rtc/rtc-ls1x.c
> +++ /dev/null
> @@ -1,192 +0,0 @@
> -// SPDX-License-Identifier: GPL-2.0-or-later
> -/*
> - * Copyright (c) 2011 Zhao Zhang <zhzhl555@gmail.com>
> - *
> - * Derived from driver/rtc/rtc-au1xxx.c
> - */
> -
> -#include <linux/module.h>
> -#include <linux/kernel.h>
> -#include <linux/rtc.h>
> -#include <linux/init.h>
> -#include <linux/platform_device.h>
> -#include <linux/delay.h>
> -#include <linux/types.h>
> -#include <linux/io.h>
> -#include <loongson1.h>
> -
> -#define LS1X_RTC_REG_OFFSET    (LS1X_RTC_BASE + 0x20)
> -#define LS1X_RTC_REGS(x) \
> -               ((void __iomem *)KSEG1ADDR(LS1X_RTC_REG_OFFSET + (x)))
> -
> -/*RTC programmable counters 0 and 1*/
> -#define SYS_COUNTER_CNTRL              (LS1X_RTC_REGS(0x20))
> -#define SYS_CNTRL_ERS                  (1 << 23)
> -#define SYS_CNTRL_RTS                  (1 << 20)
> -#define SYS_CNTRL_RM2                  (1 << 19)
> -#define SYS_CNTRL_RM1                  (1 << 18)
> -#define SYS_CNTRL_RM0                  (1 << 17)
> -#define SYS_CNTRL_RS                   (1 << 16)
> -#define SYS_CNTRL_BP                   (1 << 14)
> -#define SYS_CNTRL_REN                  (1 << 13)
> -#define SYS_CNTRL_BRT                  (1 << 12)
> -#define SYS_CNTRL_TEN                  (1 << 11)
> -#define SYS_CNTRL_BTT                  (1 << 10)
> -#define SYS_CNTRL_E0                   (1 << 8)
> -#define SYS_CNTRL_ETS                  (1 << 7)
> -#define SYS_CNTRL_32S                  (1 << 5)
> -#define SYS_CNTRL_TTS                  (1 << 4)
> -#define SYS_CNTRL_TM2                  (1 << 3)
> -#define SYS_CNTRL_TM1                  (1 << 2)
> -#define SYS_CNTRL_TM0                  (1 << 1)
> -#define SYS_CNTRL_TS                   (1 << 0)
> -
> -/* Programmable Counter 0 Registers */
> -#define SYS_TOYTRIM            (LS1X_RTC_REGS(0))
> -#define SYS_TOYWRITE0          (LS1X_RTC_REGS(4))
> -#define SYS_TOYWRITE1          (LS1X_RTC_REGS(8))
> -#define SYS_TOYREAD0           (LS1X_RTC_REGS(0xC))
> -#define SYS_TOYREAD1           (LS1X_RTC_REGS(0x10))
> -#define SYS_TOYMATCH0          (LS1X_RTC_REGS(0x14))
> -#define SYS_TOYMATCH1          (LS1X_RTC_REGS(0x18))
> -#define SYS_TOYMATCH2          (LS1X_RTC_REGS(0x1C))
> -
> -/* Programmable Counter 1 Registers */
> -#define SYS_RTCTRIM            (LS1X_RTC_REGS(0x40))
> -#define SYS_RTCWRITE0          (LS1X_RTC_REGS(0x44))
> -#define SYS_RTCREAD0           (LS1X_RTC_REGS(0x48))
> -#define SYS_RTCMATCH0          (LS1X_RTC_REGS(0x4C))
> -#define SYS_RTCMATCH1          (LS1X_RTC_REGS(0x50))
> -#define SYS_RTCMATCH2          (LS1X_RTC_REGS(0x54))
> -
> -#define LS1X_SEC_OFFSET                (4)
> -#define LS1X_MIN_OFFSET                (10)
> -#define LS1X_HOUR_OFFSET       (16)
> -#define LS1X_DAY_OFFSET                (21)
> -#define LS1X_MONTH_OFFSET      (26)
> -
> -
> -#define LS1X_SEC_MASK          (0x3f)
> -#define LS1X_MIN_MASK          (0x3f)
> -#define LS1X_HOUR_MASK         (0x1f)
> -#define LS1X_DAY_MASK          (0x1f)
> -#define LS1X_MONTH_MASK                (0x3f)
> -#define LS1X_YEAR_MASK         (0xffffffff)
> -
> -#define ls1x_get_sec(t)                (((t) >> LS1X_SEC_OFFSET) & LS1X_SEC_MASK)
> -#define ls1x_get_min(t)                (((t) >> LS1X_MIN_OFFSET) & LS1X_MIN_MASK)
> -#define ls1x_get_hour(t)       (((t) >> LS1X_HOUR_OFFSET) & LS1X_HOUR_MASK)
> -#define ls1x_get_day(t)                (((t) >> LS1X_DAY_OFFSET) & LS1X_DAY_MASK)
> -#define ls1x_get_month(t)      (((t) >> LS1X_MONTH_OFFSET) & LS1X_MONTH_MASK)
> -
> -#define RTC_CNTR_OK (SYS_CNTRL_E0 | SYS_CNTRL_32S)
> -
> -static int ls1x_rtc_read_time(struct device *dev, struct rtc_time *rtm)
> -{
> -       unsigned long v;
> -       time64_t t;
> -
> -       v = readl(SYS_TOYREAD0);
> -       t = readl(SYS_TOYREAD1);
> -
> -       memset(rtm, 0, sizeof(struct rtc_time));
> -       t  = mktime64((t & LS1X_YEAR_MASK), ls1x_get_month(v),
> -                       ls1x_get_day(v), ls1x_get_hour(v),
> -                       ls1x_get_min(v), ls1x_get_sec(v));
> -       rtc_time64_to_tm(t, rtm);
> -
> -       return 0;
> -}
> -
> -static int ls1x_rtc_set_time(struct device *dev, struct  rtc_time *rtm)
> -{
> -       unsigned long v, t, c;
> -       int ret = -ETIMEDOUT;
> -
> -       v = ((rtm->tm_mon + 1)  << LS1X_MONTH_OFFSET)
> -               | (rtm->tm_mday << LS1X_DAY_OFFSET)
> -               | (rtm->tm_hour << LS1X_HOUR_OFFSET)
> -               | (rtm->tm_min  << LS1X_MIN_OFFSET)
> -               | (rtm->tm_sec  << LS1X_SEC_OFFSET);
> -
> -       writel(v, SYS_TOYWRITE0);
> -       c = 0x10000;
> -       /* add timeout check counter, for more safe */
> -       while ((readl(SYS_COUNTER_CNTRL) & SYS_CNTRL_TS) && --c)
> -               usleep_range(1000, 3000);
> -
> -       if (!c) {
> -               dev_err(dev, "set time timeout!\n");
> -               goto err;
> -       }
> -
> -       t = rtm->tm_year + 1900;
> -       writel(t, SYS_TOYWRITE1);
> -       c = 0x10000;
> -       while ((readl(SYS_COUNTER_CNTRL) & SYS_CNTRL_TS) && --c)
> -               usleep_range(1000, 3000);
> -
> -       if (!c) {
> -               dev_err(dev, "set time timeout!\n");
> -               goto err;
> -       }
> -       return 0;
> -err:
> -       return ret;
> -}
> -
> -static const struct rtc_class_ops  ls1x_rtc_ops = {
> -       .read_time      = ls1x_rtc_read_time,
> -       .set_time       = ls1x_rtc_set_time,
> -};
> -
> -static int ls1x_rtc_probe(struct platform_device *pdev)
> -{
> -       struct rtc_device *rtcdev;
> -       unsigned long v;
> -
> -       v = readl(SYS_COUNTER_CNTRL);
> -       if (!(v & RTC_CNTR_OK)) {
> -               dev_err(&pdev->dev, "rtc counters not working\n");
> -               return -ENODEV;
> -       }
> -
> -       /* set to 1 HZ if needed */
> -       if (readl(SYS_TOYTRIM) != 32767) {
> -               v = 0x100000;
> -               while ((readl(SYS_COUNTER_CNTRL) & SYS_CNTRL_TTS) && --v)
> -                       usleep_range(1000, 3000);
> -
> -               if (!v) {
> -                       dev_err(&pdev->dev, "time out\n");
> -                       return -ETIMEDOUT;
> -               }
> -               writel(32767, SYS_TOYTRIM);
> -       }
> -       /* this loop coundn't be endless */
> -       while (readl(SYS_COUNTER_CNTRL) & SYS_CNTRL_TTS)
> -               usleep_range(1000, 3000);
> -
> -       rtcdev = devm_rtc_allocate_device(&pdev->dev);
> -       if (IS_ERR(rtcdev))
> -               return PTR_ERR(rtcdev);
> -
> -       platform_set_drvdata(pdev, rtcdev);
> -       rtcdev->ops = &ls1x_rtc_ops;
> -       rtcdev->range_min = RTC_TIMESTAMP_BEGIN_1900;
> -       rtcdev->range_max = RTC_TIMESTAMP_END_2099;
> -
> -       return devm_rtc_register_device(rtcdev);
> -}
> -
> -static struct platform_driver  ls1x_rtc_driver = {
> -       .driver         = {
> -               .name   = "ls1x-rtc",
> -       },
> -       .probe          = ls1x_rtc_probe,
> -};
> -
> -module_platform_driver(ls1x_rtc_driver);
> -
> -MODULE_AUTHOR("zhao zhang <zhzhl555@gmail.com>");
> -MODULE_LICENSE("GPL");
> --
> 2.39.1
>
diff mbox series

Patch

diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig
index 753872408615..599f5110a251 100644
--- a/drivers/rtc/Kconfig
+++ b/drivers/rtc/Kconfig
@@ -1726,16 +1726,6 @@  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_LOONGSON1
-	tristate "loongson1 RTC support"
-	depends on MACH_LOONGSON32
-	help
-	  This is a driver for the loongson1 on-chip Counter0 (Time-Of-Year
-	  counter) to be used as a RTC.
-
-	  This driver can also be built as a module. If so, the module
-	  will be called rtc-ls1x.
-
 config RTC_DRV_MXC
 	tristate "Freescale MXC Real Time Clock"
 	depends on ARCH_MXC || COMPILE_TEST
diff --git a/drivers/rtc/Makefile b/drivers/rtc/Makefile
index ea445d1ebb17..c50afd8fb9f4 100644
--- a/drivers/rtc/Makefile
+++ b/drivers/rtc/Makefile
@@ -78,7 +78,6 @@  obj-$(CONFIG_RTC_DRV_ISL12022)	+= rtc-isl12022.o
 obj-$(CONFIG_RTC_DRV_ISL12026)	+= rtc-isl12026.o
 obj-$(CONFIG_RTC_DRV_ISL1208)	+= rtc-isl1208.o
 obj-$(CONFIG_RTC_DRV_JZ4740)	+= rtc-jz4740.o
-obj-$(CONFIG_RTC_DRV_LOONGSON1)	+= rtc-ls1x.o
 obj-$(CONFIG_RTC_DRV_LP8788)	+= rtc-lp8788.o
 obj-$(CONFIG_RTC_DRV_LPC24XX)	+= rtc-lpc24xx.o
 obj-$(CONFIG_RTC_DRV_LPC32XX)	+= rtc-lpc32xx.o
diff --git a/drivers/rtc/rtc-ls1x.c b/drivers/rtc/rtc-ls1x.c
deleted file mode 100644
index 5af26dc5c2a3..000000000000
--- a/drivers/rtc/rtc-ls1x.c
+++ /dev/null
@@ -1,192 +0,0 @@ 
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- * Copyright (c) 2011 Zhao Zhang <zhzhl555@gmail.com>
- *
- * Derived from driver/rtc/rtc-au1xxx.c
- */
-
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/rtc.h>
-#include <linux/init.h>
-#include <linux/platform_device.h>
-#include <linux/delay.h>
-#include <linux/types.h>
-#include <linux/io.h>
-#include <loongson1.h>
-
-#define LS1X_RTC_REG_OFFSET	(LS1X_RTC_BASE + 0x20)
-#define LS1X_RTC_REGS(x) \
-		((void __iomem *)KSEG1ADDR(LS1X_RTC_REG_OFFSET + (x)))
-
-/*RTC programmable counters 0 and 1*/
-#define SYS_COUNTER_CNTRL		(LS1X_RTC_REGS(0x20))
-#define SYS_CNTRL_ERS			(1 << 23)
-#define SYS_CNTRL_RTS			(1 << 20)
-#define SYS_CNTRL_RM2			(1 << 19)
-#define SYS_CNTRL_RM1			(1 << 18)
-#define SYS_CNTRL_RM0			(1 << 17)
-#define SYS_CNTRL_RS			(1 << 16)
-#define SYS_CNTRL_BP			(1 << 14)
-#define SYS_CNTRL_REN			(1 << 13)
-#define SYS_CNTRL_BRT			(1 << 12)
-#define SYS_CNTRL_TEN			(1 << 11)
-#define SYS_CNTRL_BTT			(1 << 10)
-#define SYS_CNTRL_E0			(1 << 8)
-#define SYS_CNTRL_ETS			(1 << 7)
-#define SYS_CNTRL_32S			(1 << 5)
-#define SYS_CNTRL_TTS			(1 << 4)
-#define SYS_CNTRL_TM2			(1 << 3)
-#define SYS_CNTRL_TM1			(1 << 2)
-#define SYS_CNTRL_TM0			(1 << 1)
-#define SYS_CNTRL_TS			(1 << 0)
-
-/* Programmable Counter 0 Registers */
-#define SYS_TOYTRIM		(LS1X_RTC_REGS(0))
-#define SYS_TOYWRITE0		(LS1X_RTC_REGS(4))
-#define SYS_TOYWRITE1		(LS1X_RTC_REGS(8))
-#define SYS_TOYREAD0		(LS1X_RTC_REGS(0xC))
-#define SYS_TOYREAD1		(LS1X_RTC_REGS(0x10))
-#define SYS_TOYMATCH0		(LS1X_RTC_REGS(0x14))
-#define SYS_TOYMATCH1		(LS1X_RTC_REGS(0x18))
-#define SYS_TOYMATCH2		(LS1X_RTC_REGS(0x1C))
-
-/* Programmable Counter 1 Registers */
-#define SYS_RTCTRIM		(LS1X_RTC_REGS(0x40))
-#define SYS_RTCWRITE0		(LS1X_RTC_REGS(0x44))
-#define SYS_RTCREAD0		(LS1X_RTC_REGS(0x48))
-#define SYS_RTCMATCH0		(LS1X_RTC_REGS(0x4C))
-#define SYS_RTCMATCH1		(LS1X_RTC_REGS(0x50))
-#define SYS_RTCMATCH2		(LS1X_RTC_REGS(0x54))
-
-#define LS1X_SEC_OFFSET		(4)
-#define LS1X_MIN_OFFSET		(10)
-#define LS1X_HOUR_OFFSET	(16)
-#define LS1X_DAY_OFFSET		(21)
-#define LS1X_MONTH_OFFSET	(26)
-
-
-#define LS1X_SEC_MASK		(0x3f)
-#define LS1X_MIN_MASK		(0x3f)
-#define LS1X_HOUR_MASK		(0x1f)
-#define LS1X_DAY_MASK		(0x1f)
-#define LS1X_MONTH_MASK		(0x3f)
-#define LS1X_YEAR_MASK		(0xffffffff)
-
-#define ls1x_get_sec(t)		(((t) >> LS1X_SEC_OFFSET) & LS1X_SEC_MASK)
-#define ls1x_get_min(t)		(((t) >> LS1X_MIN_OFFSET) & LS1X_MIN_MASK)
-#define ls1x_get_hour(t)	(((t) >> LS1X_HOUR_OFFSET) & LS1X_HOUR_MASK)
-#define ls1x_get_day(t)		(((t) >> LS1X_DAY_OFFSET) & LS1X_DAY_MASK)
-#define ls1x_get_month(t)	(((t) >> LS1X_MONTH_OFFSET) & LS1X_MONTH_MASK)
-
-#define RTC_CNTR_OK (SYS_CNTRL_E0 | SYS_CNTRL_32S)
-
-static int ls1x_rtc_read_time(struct device *dev, struct rtc_time *rtm)
-{
-	unsigned long v;
-	time64_t t;
-
-	v = readl(SYS_TOYREAD0);
-	t = readl(SYS_TOYREAD1);
-
-	memset(rtm, 0, sizeof(struct rtc_time));
-	t  = mktime64((t & LS1X_YEAR_MASK), ls1x_get_month(v),
-			ls1x_get_day(v), ls1x_get_hour(v),
-			ls1x_get_min(v), ls1x_get_sec(v));
-	rtc_time64_to_tm(t, rtm);
-
-	return 0;
-}
-
-static int ls1x_rtc_set_time(struct device *dev, struct  rtc_time *rtm)
-{
-	unsigned long v, t, c;
-	int ret = -ETIMEDOUT;
-
-	v = ((rtm->tm_mon + 1)  << LS1X_MONTH_OFFSET)
-		| (rtm->tm_mday << LS1X_DAY_OFFSET)
-		| (rtm->tm_hour << LS1X_HOUR_OFFSET)
-		| (rtm->tm_min  << LS1X_MIN_OFFSET)
-		| (rtm->tm_sec  << LS1X_SEC_OFFSET);
-
-	writel(v, SYS_TOYWRITE0);
-	c = 0x10000;
-	/* add timeout check counter, for more safe */
-	while ((readl(SYS_COUNTER_CNTRL) & SYS_CNTRL_TS) && --c)
-		usleep_range(1000, 3000);
-
-	if (!c) {
-		dev_err(dev, "set time timeout!\n");
-		goto err;
-	}
-
-	t = rtm->tm_year + 1900;
-	writel(t, SYS_TOYWRITE1);
-	c = 0x10000;
-	while ((readl(SYS_COUNTER_CNTRL) & SYS_CNTRL_TS) && --c)
-		usleep_range(1000, 3000);
-
-	if (!c) {
-		dev_err(dev, "set time timeout!\n");
-		goto err;
-	}
-	return 0;
-err:
-	return ret;
-}
-
-static const struct rtc_class_ops  ls1x_rtc_ops = {
-	.read_time	= ls1x_rtc_read_time,
-	.set_time	= ls1x_rtc_set_time,
-};
-
-static int ls1x_rtc_probe(struct platform_device *pdev)
-{
-	struct rtc_device *rtcdev;
-	unsigned long v;
-
-	v = readl(SYS_COUNTER_CNTRL);
-	if (!(v & RTC_CNTR_OK)) {
-		dev_err(&pdev->dev, "rtc counters not working\n");
-		return -ENODEV;
-	}
-
-	/* set to 1 HZ if needed */
-	if (readl(SYS_TOYTRIM) != 32767) {
-		v = 0x100000;
-		while ((readl(SYS_COUNTER_CNTRL) & SYS_CNTRL_TTS) && --v)
-			usleep_range(1000, 3000);
-
-		if (!v) {
-			dev_err(&pdev->dev, "time out\n");
-			return -ETIMEDOUT;
-		}
-		writel(32767, SYS_TOYTRIM);
-	}
-	/* this loop coundn't be endless */
-	while (readl(SYS_COUNTER_CNTRL) & SYS_CNTRL_TTS)
-		usleep_range(1000, 3000);
-
-	rtcdev = devm_rtc_allocate_device(&pdev->dev);
-	if (IS_ERR(rtcdev))
-		return PTR_ERR(rtcdev);
-
-	platform_set_drvdata(pdev, rtcdev);
-	rtcdev->ops = &ls1x_rtc_ops;
-	rtcdev->range_min = RTC_TIMESTAMP_BEGIN_1900;
-	rtcdev->range_max = RTC_TIMESTAMP_END_2099;
-
-	return devm_rtc_register_device(rtcdev);
-}
-
-static struct platform_driver  ls1x_rtc_driver = {
-	.driver		= {
-		.name	= "ls1x-rtc",
-	},
-	.probe		= ls1x_rtc_probe,
-};
-
-module_platform_driver(ls1x_rtc_driver);
-
-MODULE_AUTHOR("zhao zhang <zhzhl555@gmail.com>");
-MODULE_LICENSE("GPL");