[lantiq] bump kernel to 3.2.12

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@31060 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 0 insertions, 1012 deletions

diff --git a/target/linux/lantiq/patches/0017-MIPS-lantiq-adds-GPTU-driver.patch b/target/linux/lantiq/patches/0017-MIPS-lantiq-adds-GPTU-driver.patch
deleted file mode 100644
index 4b7c7b5488..0000000000
--- a/target/linux/lantiq/patches/0017-MIPS-lantiq-adds-GPTU-driver.patch
+++ /dev/null
@@ -1,1012 +0,0 @@
-From 45dbb232686978816e8148753e12f27caa2b2eb3 Mon Sep 17 00:00:00 2001
-From: John Crispin <blogic@openwrt.org>
-Date: Thu, 29 Sep 2011 17:16:38 +0200
-Subject: [PATCH 17/24] MIPS: lantiq: adds GPTU driver
-
----
- arch/mips/include/asm/mach-lantiq/lantiq_timer.h |  155 ++++
- arch/mips/lantiq/xway/Makefile                   |    2 +-
- arch/mips/lantiq/xway/timer.c                    |  830 ++++++++++++++++++++++
- 3 files changed, 986 insertions(+), 1 deletions(-)
- create mode 100644 arch/mips/include/asm/mach-lantiq/lantiq_timer.h
- create mode 100644 arch/mips/lantiq/xway/timer.c
-
---- /dev/null
-+++ b/arch/mips/include/asm/mach-lantiq/lantiq_timer.h
-@@ -0,0 +1,155 @@
-+#ifndef __DANUBE_GPTU_DEV_H__2005_07_26__10_19__
-+#define __DANUBE_GPTU_DEV_H__2005_07_26__10_19__
-+
-+
-+/******************************************************************************
-+       Copyright (c) 2002, Infineon Technologies.  All rights reserved.
-+
-+                               No Warranty
-+   Because the program is licensed free of charge, there is no warranty for
-+   the program, to the extent permitted by applicable law.  Except when
-+   otherwise stated in writing the copyright holders and/or other parties
-+   provide the program "as is" without warranty of any kind, either
-+   expressed or implied, including, but not limited to, the implied
-+   warranties of merchantability and fitness for a particular purpose. The
-+   entire risk as to the quality and performance of the program is with
-+   you.  should the program prove defective, you assume the cost of all
-+   necessary servicing, repair or correction.
-+
-+   In no event unless required by applicable law or agreed to in writing
-+   will any copyright holder, or any other party who may modify and/or
-+   redistribute the program as permitted above, be liable to you for
-+   damages, including any general, special, incidental or consequential
-+   damages arising out of the use or inability to use the program
-+   (including but not limited to loss of data or data being rendered
-+   inaccurate or losses sustained by you or third parties or a failure of
-+   the program to operate with any other programs), even if such holder or
-+   other party has been advised of the possibility of such damages.
-+******************************************************************************/
-+
-+
-+/*
-+ * ####################################
-+ *              Definition
-+ * ####################################
-+ */
-+
-+/*
-+ *  Available Timer/Counter Index
-+ */
-+#define TIMER(n, X)                     (n * 2 + (X ? 1 : 0))
-+#define TIMER_ANY                       0x00
-+#define TIMER1A                         TIMER(1, 0)
-+#define TIMER1B                         TIMER(1, 1)
-+#define TIMER2A                         TIMER(2, 0)
-+#define TIMER2B                         TIMER(2, 1)
-+#define TIMER3A                         TIMER(3, 0)
-+#define TIMER3B                         TIMER(3, 1)
-+
-+/*
-+ *  Flag of Timer/Counter
-+ *  These flags specify the way in which timer is configured.
-+ */
-+/*  Bit size of timer/counter.                      */
-+#define TIMER_FLAG_16BIT                0x0000
-+#define TIMER_FLAG_32BIT                0x0001
-+/*  Switch between timer and counter.               */
-+#define TIMER_FLAG_TIMER                0x0000
-+#define TIMER_FLAG_COUNTER              0x0002
-+/*  Stop or continue when overflowing/underflowing. */
-+#define TIMER_FLAG_ONCE                 0x0000
-+#define TIMER_FLAG_CYCLIC               0x0004
-+/*  Count up or counter down.                       */
-+#define TIMER_FLAG_UP                   0x0000
-+#define TIMER_FLAG_DOWN                 0x0008
-+/*  Count on specific level or edge.                */
-+#define TIMER_FLAG_HIGH_LEVEL_SENSITIVE 0x0000
-+#define TIMER_FLAG_LOW_LEVEL_SENSITIVE  0x0040
-+#define TIMER_FLAG_RISE_EDGE            0x0010
-+#define TIMER_FLAG_FALL_EDGE            0x0020
-+#define TIMER_FLAG_ANY_EDGE             0x0030
-+/*  Signal is syncronous to module clock or not.    */
-+#define TIMER_FLAG_UNSYNC               0x0000
-+#define TIMER_FLAG_SYNC                 0x0080
-+/*  Different interrupt handle type.                */
-+#define TIMER_FLAG_NO_HANDLE            0x0000
-+#if defined(__KERNEL__)
-+    #define TIMER_FLAG_CALLBACK_IN_IRQ  0x0100
-+#endif  //  defined(__KERNEL__)
-+#define TIMER_FLAG_SIGNAL               0x0300
-+/*  Internal clock source or external clock source  */
-+#define TIMER_FLAG_INT_SRC              0x0000
-+#define TIMER_FLAG_EXT_SRC              0x1000
-+
-+
-+/*
-+ *  ioctl Command
-+ */
-+#define GPTU_REQUEST_TIMER              0x01    /*  General method to setup timer/counter.  */
-+#define GPTU_FREE_TIMER                 0x02    /*  Free timer/counter.                     */
-+#define GPTU_START_TIMER                0x03    /*  Start or resume timer/counter.          */
-+#define GPTU_STOP_TIMER                 0x04    /*  Suspend timer/counter.                  */
-+#define GPTU_GET_COUNT_VALUE            0x05    /*  Get current count value.                */
-+#define GPTU_CALCULATE_DIVIDER          0x06    /*  Calculate timer divider from given freq.*/
-+#define GPTU_SET_TIMER                  0x07    /*  Simplified method to setup timer.       */
-+#define GPTU_SET_COUNTER                0x08    /*  Simplified method to setup counter.     */
-+
-+/*
-+ *  Data Type Used to Call ioctl
-+ */
-+struct gptu_ioctl_param {
-+    unsigned int                        timer;  /*  In command GPTU_REQUEST_TIMER, GPTU_SET_TIMER, and  *
-+                                                 *  GPTU_SET_COUNTER, this field is ID of expected      *
-+                                                 *  timer/counter. If it's zero, a timer/counter would  *
-+                                                 *  be dynamically allocated and ID would be stored in  *
-+                                                 *  this field.                                         *
-+                                                 *  In command GPTU_GET_COUNT_VALUE, this field is      *
-+                                                 *  ignored.                                            *
-+                                                 *  In other command, this field is ID of timer/counter *
-+                                                 *  allocated.                                          */
-+    unsigned int                        flag;   /*  In command GPTU_REQUEST_TIMER, GPTU_SET_TIMER, and  *
-+                                                 *  GPTU_SET_COUNTER, this field contains flags to      *
-+                                                 *  specify how to configure timer/counter.             *
-+                                                 *  In command GPTU_START_TIMER, zero indicate start    *
-+                                                 *  and non-zero indicate resume timer/counter.         *
-+                                                 *  In other command, this field is ignored.            */
-+    unsigned long                       value;  /*  In command GPTU_REQUEST_TIMER, this field contains  *
-+                                                 *  init/reload value.                                  *
-+                                                 *  In command GPTU_SET_TIMER, this field contains      *
-+                                                 *  frequency (0.001Hz) of timer.                       *
-+                                                 *  In command GPTU_GET_COUNT_VALUE, current count      *
-+                                                 *  value would be stored in this field.                *
-+                                                 *  In command GPTU_CALCULATE_DIVIDER, this field       *
-+                                                 *  contains frequency wanted, and after calculation,   *
-+                                                 *  divider would be stored in this field to overwrite  *
-+                                                 *  the frequency.                                      *
-+                                                 *  In other command, this field is ignored.            */
-+    int                                 pid;    /*  In command GPTU_REQUEST_TIMER and GPTU_SET_TIMER,   *
-+                                                 *  if signal is required, this field contains process  *
-+                                                 *  ID to which signal would be sent.                   *
-+                                                 *  In other command, this field is ignored.            */
-+    int                                 sig;    /*  In command GPTU_REQUEST_TIMER and GPTU_SET_TIMER,   *
-+                                                 *  if signal is required, this field contains signal   *
-+                                                 *  number which would be sent.                         *
-+                                                 *  In other command, this field is ignored.            */
-+};
-+
-+/*
-+ * ####################################
-+ *              Data Type
-+ * ####################################
-+ */
-+typedef void (*timer_callback)(unsigned long arg);
-+
-+extern int lq_request_timer(unsigned int, unsigned int, unsigned long, unsigned long, unsigned long);
-+extern int lq_free_timer(unsigned int);
-+extern int lq_start_timer(unsigned int, int);
-+extern int lq_stop_timer(unsigned int);
-+extern int lq_reset_counter_flags(u32 timer, u32 flags);
-+extern int lq_get_count_value(unsigned int, unsigned long *);
-+extern u32 lq_cal_divider(unsigned long);
-+extern int lq_set_timer(unsigned int, unsigned int, int, int, unsigned int, unsigned long, unsigned long);
-+extern int lq_set_counter(unsigned int timer, unsigned int flag,
-+	u32 reload, unsigned long arg1, unsigned long arg2);
-+
-+#endif /* __DANUBE_GPTU_DEV_H__2005_07_26__10_19__ */
---- a/arch/mips/lantiq/xway/Makefile
-+++ b/arch/mips/lantiq/xway/Makefile
-@@ -1,4 +1,4 @@
--obj-y := sysctrl.o reset.o gpio.o gpio_stp.o gpio_ebu.o devices.o dma.o nand.o
-+obj-y := sysctrl.o reset.o gpio.o gpio_stp.o gpio_ebu.o devices.o dma.o nand.o timer.o
- 
- obj-$(CONFIG_SOC_XWAY) += clk-xway.o prom-xway.o
- obj-$(CONFIG_SOC_AMAZON_SE) += clk-ase.o prom-ase.o
---- /dev/null
-+++ b/arch/mips/lantiq/xway/timer.c
-@@ -0,0 +1,830 @@
-+#include <linux/kernel.h>
-+#include <linux/module.h>
-+#include <linux/version.h>
-+#include <linux/types.h>
-+#include <linux/fs.h>
-+#include <linux/miscdevice.h>
-+#include <linux/init.h>
-+#include <linux/uaccess.h>
-+#include <linux/unistd.h>
-+#include <linux/errno.h>
-+#include <linux/interrupt.h>
-+#include <linux/sched.h>
-+
-+#include <asm/irq.h>
-+#include <asm/div64.h>
-+
-+#include <lantiq_soc.h>
-+#include <lantiq_irq.h>
-+#include <lantiq_timer.h>
-+
-+#define MAX_NUM_OF_32BIT_TIMER_BLOCKS	6
-+
-+#ifdef TIMER1A
-+#define FIRST_TIMER			TIMER1A
-+#else
-+#define FIRST_TIMER			2
-+#endif
-+
-+/*
-+ *  GPTC divider is set or not.
-+ */
-+#define GPTU_CLC_RMC_IS_SET		0
-+
-+/*
-+ *  Timer Interrupt (IRQ)
-+ */
-+/*  Must be adjusted when ICU driver is available */
-+#define TIMER_INTERRUPT			(INT_NUM_IM3_IRL0 + 22)
-+
-+/*
-+ *  Bits Operation
-+ */
-+#define GET_BITS(x, msb, lsb)		\
-+	(((x) & ((1 << ((msb) + 1)) - 1)) >> (lsb))
-+#define SET_BITS(x, msb, lsb, value)	\
-+	(((x) & ~(((1 << ((msb) + 1)) - 1) ^ ((1 << (lsb)) - 1))) | \
-+	(((value) & ((1 << (1 + (msb) - (lsb))) - 1)) << (lsb)))
-+
-+/*
-+ *  GPTU Register Mapping
-+ */
-+#define LQ_GPTU			(KSEG1 + 0x1E100A00)
-+#define LQ_GPTU_CLC		((volatile u32 *)(LQ_GPTU + 0x0000))
-+#define LQ_GPTU_ID			((volatile u32 *)(LQ_GPTU + 0x0008))
-+#define LQ_GPTU_CON(n, X)		((volatile u32 *)(LQ_GPTU + 0x0010 + ((X) * 4) + ((n) - 1) * 0x0020))	/* X must be either A or B */
-+#define LQ_GPTU_RUN(n, X)		((volatile u32 *)(LQ_GPTU + 0x0018 + ((X) * 4) + ((n) - 1) * 0x0020))	/* X must be either A or B */
-+#define LQ_GPTU_RELOAD(n, X)	((volatile u32 *)(LQ_GPTU + 0x0020 + ((X) * 4) + ((n) - 1) * 0x0020))	/* X must be either A or B */
-+#define LQ_GPTU_COUNT(n, X)	((volatile u32 *)(LQ_GPTU + 0x0028 + ((X) * 4) + ((n) - 1) * 0x0020))	/* X must be either A or B */
-+#define LQ_GPTU_IRNEN		((volatile u32 *)(LQ_GPTU + 0x00F4))
-+#define LQ_GPTU_IRNICR		((volatile u32 *)(LQ_GPTU + 0x00F8))
-+#define LQ_GPTU_IRNCR		((volatile u32 *)(LQ_GPTU + 0x00FC))
-+
-+/*
-+ *  Clock Control Register
-+ */
-+#define GPTU_CLC_SMC			GET_BITS(*LQ_GPTU_CLC, 23, 16)
-+#define GPTU_CLC_RMC			GET_BITS(*LQ_GPTU_CLC, 15, 8)
-+#define GPTU_CLC_FSOE			(*LQ_GPTU_CLC & (1 << 5))
-+#define GPTU_CLC_EDIS			(*LQ_GPTU_CLC & (1 << 3))
-+#define GPTU_CLC_SPEN			(*LQ_GPTU_CLC & (1 << 2))
-+#define GPTU_CLC_DISS			(*LQ_GPTU_CLC & (1 << 1))
-+#define GPTU_CLC_DISR			(*LQ_GPTU_CLC & (1 << 0))
-+
-+#define GPTU_CLC_SMC_SET(value)		SET_BITS(0, 23, 16, (value))
-+#define GPTU_CLC_RMC_SET(value)		SET_BITS(0, 15, 8, (value))
-+#define GPTU_CLC_FSOE_SET(value)	((value) ? (1 << 5) : 0)
-+#define GPTU_CLC_SBWE_SET(value)	((value) ? (1 << 4) : 0)
-+#define GPTU_CLC_EDIS_SET(value)	((value) ? (1 << 3) : 0)
-+#define GPTU_CLC_SPEN_SET(value)	((value) ? (1 << 2) : 0)
-+#define GPTU_CLC_DISR_SET(value)	((value) ? (1 << 0) : 0)
-+
-+/*
-+ *  ID Register
-+ */
-+#define GPTU_ID_ID			GET_BITS(*LQ_GPTU_ID, 15, 8)
-+#define GPTU_ID_CFG			GET_BITS(*LQ_GPTU_ID, 7, 5)
-+#define GPTU_ID_REV			GET_BITS(*LQ_GPTU_ID, 4, 0)
-+
-+/*
-+ *  Control Register of Timer/Counter nX
-+ *    n is the index of block (1 based index)
-+ *    X is either A or B
-+ */
-+#define GPTU_CON_SRC_EG(n, X)		(*LQ_GPTU_CON(n, X) & (1 << 10))
-+#define GPTU_CON_SRC_EXT(n, X)		(*LQ_GPTU_CON(n, X) & (1 << 9))
-+#define GPTU_CON_SYNC(n, X)		(*LQ_GPTU_CON(n, X) & (1 << 8))
-+#define GPTU_CON_EDGE(n, X)		GET_BITS(*LQ_GPTU_CON(n, X), 7, 6)
-+#define GPTU_CON_INV(n, X)		(*LQ_GPTU_CON(n, X) & (1 << 5))
-+#define GPTU_CON_EXT(n, X)		(*LQ_GPTU_CON(n, A) & (1 << 4))	/* Timer/Counter B does not have this bit */
-+#define GPTU_CON_STP(n, X)		(*LQ_GPTU_CON(n, X) & (1 << 3))
-+#define GPTU_CON_CNT(n, X)		(*LQ_GPTU_CON(n, X) & (1 << 2))
-+#define GPTU_CON_DIR(n, X)		(*LQ_GPTU_CON(n, X) & (1 << 1))
-+#define GPTU_CON_EN(n, X)		(*LQ_GPTU_CON(n, X) & (1 << 0))
-+
-+#define GPTU_CON_SRC_EG_SET(value)	((value) ? 0 : (1 << 10))
-+#define GPTU_CON_SRC_EXT_SET(value)	((value) ? (1 << 9) : 0)
-+#define GPTU_CON_SYNC_SET(value)	((value) ? (1 << 8) : 0)
-+#define GPTU_CON_EDGE_SET(value)	SET_BITS(0, 7, 6, (value))
-+#define GPTU_CON_INV_SET(value)		((value) ? (1 << 5) : 0)
-+#define GPTU_CON_EXT_SET(value)		((value) ? (1 << 4) : 0)
-+#define GPTU_CON_STP_SET(value)		((value) ? (1 << 3) : 0)
-+#define GPTU_CON_CNT_SET(value)		((value) ? (1 << 2) : 0)
-+#define GPTU_CON_DIR_SET(value)		((value) ? (1 << 1) : 0)
-+
-+#define GPTU_RUN_RL_SET(value)		((value) ? (1 << 2) : 0)
-+#define GPTU_RUN_CEN_SET(value)		((value) ? (1 << 1) : 0)
-+#define GPTU_RUN_SEN_SET(value)		((value) ? (1 << 0) : 0)
-+
-+#define GPTU_IRNEN_TC_SET(n, X, value)	((value) ? (1 << (((n) - 1) * 2 + (X))) : 0)
-+#define GPTU_IRNCR_TC_SET(n, X, value)	((value) ? (1 << (((n) - 1) * 2 + (X))) : 0)
-+
-+#define TIMER_FLAG_MASK_SIZE(x)		(x & 0x0001)
-+#define TIMER_FLAG_MASK_TYPE(x)		(x & 0x0002)
-+#define TIMER_FLAG_MASK_STOP(x)		(x & 0x0004)
-+#define TIMER_FLAG_MASK_DIR(x)		(x & 0x0008)
-+#define TIMER_FLAG_NONE_EDGE		0x0000
-+#define TIMER_FLAG_MASK_EDGE(x)		(x & 0x0030)
-+#define TIMER_FLAG_REAL			0x0000
-+#define TIMER_FLAG_INVERT		0x0040
-+#define TIMER_FLAG_MASK_INVERT(x)	(x & 0x0040)
-+#define TIMER_FLAG_MASK_TRIGGER(x)	(x & 0x0070)
-+#define TIMER_FLAG_MASK_SYNC(x)		(x & 0x0080)
-+#define TIMER_FLAG_CALLBACK_IN_HB	0x0200
-+#define TIMER_FLAG_MASK_HANDLE(x)	(x & 0x0300)
-+#define TIMER_FLAG_MASK_SRC(x)		(x & 0x1000)
-+
-+struct timer_dev_timer {
-+	unsigned int f_irq_on;
-+	unsigned int irq;
-+	unsigned int flag;
-+	unsigned long arg1;
-+	unsigned long arg2;
-+};
-+
-+struct timer_dev {
-+	struct mutex gptu_mutex;
-+	unsigned int number_of_timers;
-+	unsigned int occupation;
-+	unsigned int f_gptu_on;
-+	struct timer_dev_timer timer[MAX_NUM_OF_32BIT_TIMER_BLOCKS * 2];
-+};
-+
-+unsigned int ltq_get_fpi_bus_clock(int fpi);
-+
-+static long gptu_ioctl(struct file *, unsigned int, unsigned long);
-+static int gptu_open(struct inode *, struct file *);
-+static int gptu_release(struct inode *, struct file *);
-+
-+static struct file_operations gptu_fops = {
-+	.owner = THIS_MODULE,
-+	.unlocked_ioctl = gptu_ioctl,
-+	.open = gptu_open,
-+	.release = gptu_release
-+};
-+
-+static struct miscdevice gptu_miscdev = {
-+	.minor = MISC_DYNAMIC_MINOR,
-+	.name = "gptu",
-+	.fops = &gptu_fops,
-+};
-+
-+static struct timer_dev timer_dev;
-+
-+static irqreturn_t timer_irq_handler(int irq, void *p)
-+{
-+	unsigned int timer;
-+	unsigned int flag;
-+	struct timer_dev_timer *dev_timer = (struct timer_dev_timer *)p;
-+
-+	timer = irq - TIMER_INTERRUPT;
-+	if (timer < timer_dev.number_of_timers
-+		&& dev_timer == &timer_dev.timer[timer]) {
-+		/*  Clear interrupt.    */
-+		ltq_w32(1 << timer, LQ_GPTU_IRNCR);
-+
-+		/*  Call user hanler or signal. */
-+		flag = dev_timer->flag;
-+		if (!(timer & 0x01)
-+			|| TIMER_FLAG_MASK_SIZE(flag) == TIMER_FLAG_16BIT) {
-+			/* 16-bit timer or timer A of 32-bit timer  */
-+			switch (TIMER_FLAG_MASK_HANDLE(flag)) {
-+			case TIMER_FLAG_CALLBACK_IN_IRQ:
-+			case TIMER_FLAG_CALLBACK_IN_HB:
-+				if (dev_timer->arg1)
-+					(*(timer_callback)dev_timer->arg1)(dev_timer->arg2);
-+				break;
-+			case TIMER_FLAG_SIGNAL:
-+				send_sig((int)dev_timer->arg2, (struct task_struct *)dev_timer->arg1, 0);
-+				break;
-+			}
-+		}
-+	}
-+	return IRQ_HANDLED;
-+}
-+
-+static inline void lq_enable_gptu(void)
-+{
-+	ltq_pmu_enable(PMU_GPT);
-+
-+	/*  Set divider as 1, disable write protection for SPEN, enable module. */
-+	*LQ_GPTU_CLC =
-+		GPTU_CLC_SMC_SET(0x00) |
-+		GPTU_CLC_RMC_SET(0x01) |
-+		GPTU_CLC_FSOE_SET(0) |
-+		GPTU_CLC_SBWE_SET(1) |
-+		GPTU_CLC_EDIS_SET(0) |
-+		GPTU_CLC_SPEN_SET(0) |
-+		GPTU_CLC_DISR_SET(0);
-+}
-+
-+static inline void lq_disable_gptu(void)
-+{
-+	ltq_w32(0x00, LQ_GPTU_IRNEN);
-+	ltq_w32(0xfff, LQ_GPTU_IRNCR);
-+
-+	/*  Set divider as 0, enable write protection for SPEN, disable module. */
-+	*LQ_GPTU_CLC =
-+		GPTU_CLC_SMC_SET(0x00) |
-+		GPTU_CLC_RMC_SET(0x00) |
-+		GPTU_CLC_FSOE_SET(0) |
-+		GPTU_CLC_SBWE_SET(0) |
-+		GPTU_CLC_EDIS_SET(0) |
-+		GPTU_CLC_SPEN_SET(0) |
-+		GPTU_CLC_DISR_SET(1);
-+
-+	ltq_pmu_disable(PMU_GPT);
-+}
-+
-+int lq_request_timer(unsigned int timer, unsigned int flag,
-+	unsigned long value, unsigned long arg1, unsigned long arg2)
-+{
-+	int ret = 0;
-+	unsigned int con_reg, irnen_reg;
-+	int n, X;
-+
-+	if (timer >= FIRST_TIMER + timer_dev.number_of_timers)
-+		return -EINVAL;
-+
-+	printk(KERN_INFO "request_timer(%d, 0x%08X, %lu)...",
-+		timer, flag, value);
-+
-+	if (TIMER_FLAG_MASK_SIZE(flag) == TIMER_FLAG_16BIT)
-+		value &= 0xFFFF;
-+	else
-+		timer &= ~0x01;
-+
-+	mutex_lock(&timer_dev.gptu_mutex);
-+
-+	/*
-+	 *  Allocate timer.
-+	 */
-+	if (timer < FIRST_TIMER) {
-+		unsigned int mask;
-+		unsigned int shift;
-+		/* This takes care of TIMER1B which is the only choice for Voice TAPI system */
-+		unsigned int offset = TIMER2A;
-+
-+		/*
-+		 *  Pick up a free timer.
-+		 */
-+		if (TIMER_FLAG_MASK_SIZE(flag) == TIMER_FLAG_16BIT) {
-+			mask = 1 << offset;
-+			shift = 1;
-+		} else {
-+			mask = 3 << offset;
-+			shift = 2;
-+		}
-+		for (timer = offset;
-+		     timer < offset + timer_dev.number_of_timers;
-+		     timer += shift, mask <<= shift)
-+			if (!(timer_dev.occupation & mask)) {
-+				timer_dev.occupation |= mask;
-+				break;
-+			}
-+		if (timer >= offset + timer_dev.number_of_timers) {
-+			printk("failed![%d]\n", __LINE__);
-+			mutex_unlock(&timer_dev.gptu_mutex);
-+			return -EINVAL;
-+		} else
-+			ret = timer;
-+	} else {
-+		register unsigned int mask;
-+
-+		/*
-+		 *  Check if the requested timer is free.
-+		 */
-+		mask = (TIMER_FLAG_MASK_SIZE(flag) == TIMER_FLAG_16BIT ? 1 : 3) << timer;
-+		if ((timer_dev.occupation & mask)) {
-+			printk("failed![%d] mask %#x, timer_dev.occupation %#x\n",
-+				__LINE__, mask, timer_dev.occupation);
-+			mutex_unlock(&timer_dev.gptu_mutex);
-+			return -EBUSY;
-+		} else {
-+			timer_dev.occupation |= mask;
-+			ret = 0;
-+		}
-+	}
-+
-+	/*
-+	 *  Prepare control register value.
-+	 */
-+	switch (TIMER_FLAG_MASK_EDGE(flag)) {
-+	default:
-+	case TIMER_FLAG_NONE_EDGE:
-+		con_reg = GPTU_CON_EDGE_SET(0x00);
-+		break;
-+	case TIMER_FLAG_RISE_EDGE:
-+		con_reg = GPTU_CON_EDGE_SET(0x01);
-+		break;
-+	case TIMER_FLAG_FALL_EDGE:
-+		con_reg = GPTU_CON_EDGE_SET(0x02);
-+		break;
-+	case TIMER_FLAG_ANY_EDGE:
-+		con_reg = GPTU_CON_EDGE_SET(0x03);
-+		break;
-+	}
-+	if (TIMER_FLAG_MASK_TYPE(flag) == TIMER_FLAG_TIMER)
-+		con_reg |=
-+			TIMER_FLAG_MASK_SRC(flag) ==
-+			TIMER_FLAG_EXT_SRC ? GPTU_CON_SRC_EXT_SET(1) :
-+			GPTU_CON_SRC_EXT_SET(0);
-+	else
-+		con_reg |=
-+			TIMER_FLAG_MASK_SRC(flag) ==
-+			TIMER_FLAG_EXT_SRC ? GPTU_CON_SRC_EG_SET(1) :
-+			GPTU_CON_SRC_EG_SET(0);
-+	con_reg |=
-+		TIMER_FLAG_MASK_SYNC(flag) ==
-+		TIMER_FLAG_UNSYNC ? GPTU_CON_SYNC_SET(0) :
-+		GPTU_CON_SYNC_SET(1);
-+	con_reg |=
-+		TIMER_FLAG_MASK_INVERT(flag) ==
-+		TIMER_FLAG_REAL ? GPTU_CON_INV_SET(0) : GPTU_CON_INV_SET(1);
-+	con_reg |=
-+		TIMER_FLAG_MASK_SIZE(flag) ==
-+		TIMER_FLAG_16BIT ? GPTU_CON_EXT_SET(0) :
-+		GPTU_CON_EXT_SET(1);
-+	con_reg |=
-+		TIMER_FLAG_MASK_STOP(flag) ==
-+		TIMER_FLAG_ONCE ? GPTU_CON_STP_SET(1) : GPTU_CON_STP_SET(0);
-+	con_reg |=
-+		TIMER_FLAG_MASK_TYPE(flag) ==
-+		TIMER_FLAG_TIMER ? GPTU_CON_CNT_SET(0) :
-+		GPTU_CON_CNT_SET(1);
-+	con_reg |=
-+		TIMER_FLAG_MASK_DIR(flag) ==
-+		TIMER_FLAG_UP ? GPTU_CON_DIR_SET(1) : GPTU_CON_DIR_SET(0);
-+
-+	/*
-+	 *  Fill up running data.
-+	 */
-+	timer_dev.timer[timer - FIRST_TIMER].flag = flag;
-+	timer_dev.timer[timer - FIRST_TIMER].arg1 = arg1;
-+	timer_dev.timer[timer - FIRST_TIMER].arg2 = arg2;
-+	if (TIMER_FLAG_MASK_SIZE(flag) != TIMER_FLAG_16BIT)
-+		timer_dev.timer[timer - FIRST_TIMER + 1].flag = flag;
-+
-+	/*
-+	 *  Enable GPTU module.
-+	 */
-+	if (!timer_dev.f_gptu_on) {
-+		lq_enable_gptu();
-+		timer_dev.f_gptu_on = 1;
-+	}
-+
-+	/*
-+	 *  Enable IRQ.
-+	 */
-+	if (TIMER_FLAG_MASK_HANDLE(flag) != TIMER_FLAG_NO_HANDLE) {
-+		if (TIMER_FLAG_MASK_HANDLE(flag) == TIMER_FLAG_SIGNAL)
-+			timer_dev.timer[timer - FIRST_TIMER].arg1 =
-+				(unsigned long) find_task_by_vpid((int) arg1);
-+
-+		irnen_reg = 1 << (timer - FIRST_TIMER);
-+
-+		if (TIMER_FLAG_MASK_HANDLE(flag) == TIMER_FLAG_SIGNAL
-+		    || (TIMER_FLAG_MASK_HANDLE(flag) ==
-+			TIMER_FLAG_CALLBACK_IN_IRQ
-+			&& timer_dev.timer[timer - FIRST_TIMER].arg1)) {
-+			enable_irq(timer_dev.timer[timer - FIRST_TIMER].irq);
-+			timer_dev.timer[timer - FIRST_TIMER].f_irq_on = 1;
-+		}
-+	} else
-+		irnen_reg = 0;
-+
-+	/*
-+	 *  Write config register, reload value and enable interrupt.
-+	 */
-+	n = timer >> 1;
-+	X = timer & 0x01;
-+	*LQ_GPTU_CON(n, X) = con_reg;
-+	*LQ_GPTU_RELOAD(n, X) = value;
-+	/* printk("reload value = %d\n", (u32)value); */
-+	*LQ_GPTU_IRNEN |= irnen_reg;
-+
-+	mutex_unlock(&timer_dev.gptu_mutex);
-+	printk("successful!\n");
-+	return ret;
-+}
-+EXPORT_SYMBOL(lq_request_timer);
-+
-+int lq_free_timer(unsigned int timer)
-+{
-+	unsigned int flag;
-+	unsigned int mask;
-+	int n, X;
-+
-+	if (!timer_dev.f_gptu_on)
-+		return -EINVAL;
-+
-+	if (timer < FIRST_TIMER || timer >= FIRST_TIMER + timer_dev.number_of_timers)
-+		return -EINVAL;
-+
-+	mutex_lock(&timer_dev.gptu_mutex);
-+
-+	flag = timer_dev.timer[timer - FIRST_TIMER].flag;
-+	if (TIMER_FLAG_MASK_SIZE(flag) != TIMER_FLAG_16BIT)
-+		timer &= ~0x01;
-+
-+	mask = (TIMER_FLAG_MASK_SIZE(flag) == TIMER_FLAG_16BIT ? 1 : 3) << timer;
-+	if (((timer_dev.occupation & mask) ^ mask)) {
-+		mutex_unlock(&timer_dev.gptu_mutex);
-+		return -EINVAL;
-+	}
-+
-+	n = timer >> 1;
-+	X = timer & 0x01;
-+
-+	if (GPTU_CON_EN(n, X))
-+		*LQ_GPTU_RUN(n, X) = GPTU_RUN_CEN_SET(1);
-+
-+	*LQ_GPTU_IRNEN &= ~GPTU_IRNEN_TC_SET(n, X, 1);
-+	*LQ_GPTU_IRNCR |= GPTU_IRNCR_TC_SET(n, X, 1);
-+
-+	if (timer_dev.timer[timer - FIRST_TIMER].f_irq_on) {
-+		disable_irq(timer_dev.timer[timer - FIRST_TIMER].irq);
-+		timer_dev.timer[timer - FIRST_TIMER].f_irq_on = 0;
-+	}
-+
-+	timer_dev.occupation &= ~mask;
-+	if (!timer_dev.occupation && timer_dev.f_gptu_on) {
-+		lq_disable_gptu();
-+		timer_dev.f_gptu_on = 0;
-+	}
-+
-+	mutex_unlock(&timer_dev.gptu_mutex);
-+
-+	return 0;
-+}
-+EXPORT_SYMBOL(lq_free_timer);
-+
-+int lq_start_timer(unsigned int timer, int is_resume)
-+{
-+	unsigned int flag;
-+	unsigned int mask;
-+	int n, X;
-+
-+	if (!timer_dev.f_gptu_on)
-+		return -EINVAL;
-+
-+	if (timer < FIRST_TIMER || timer >= FIRST_TIMER + timer_dev.number_of_timers)
-+		return -EINVAL;
-+
-+	mutex_lock(&timer_dev.gptu_mutex);
-+
-+	flag = timer_dev.timer[timer - FIRST_TIMER].flag;
-+	if (TIMER_FLAG_MASK_SIZE(flag) != TIMER_FLAG_16BIT)
-+		timer &= ~0x01;
-+
-+	mask = (TIMER_FLAG_MASK_SIZE(flag) ==
-+	TIMER_FLAG_16BIT ? 1 : 3) << timer;
-+	if (((timer_dev.occupation & mask) ^ mask)) {
-+		mutex_unlock(&timer_dev.gptu_mutex);
-+		return -EINVAL;
-+	}
-+
-+	n = timer >> 1;
-+	X = timer & 0x01;
-+
-+	*LQ_GPTU_RUN(n, X) = GPTU_RUN_RL_SET(!is_resume) | GPTU_RUN_SEN_SET(1);
-+
-+	mutex_unlock(&timer_dev.gptu_mutex);
-+
-+	return 0;
-+}
-+EXPORT_SYMBOL(lq_start_timer);
-+
-+int lq_stop_timer(unsigned int timer)
-+{
-+	unsigned int flag;
-+	unsigned int mask;
-+	int n, X;
-+
-+	if (!timer_dev.f_gptu_on)
-+		return -EINVAL;
-+
-+	if (timer < FIRST_TIMER
-+	    || timer >= FIRST_TIMER + timer_dev.number_of_timers)
-+		return -EINVAL;
-+
-+	mutex_lock(&timer_dev.gptu_mutex);
-+
-+	flag = timer_dev.timer[timer - FIRST_TIMER].flag;
-+	if (TIMER_FLAG_MASK_SIZE(flag) != TIMER_FLAG_16BIT)
-+		timer &= ~0x01;
-+
-+	mask = (TIMER_FLAG_MASK_SIZE(flag) == TIMER_FLAG_16BIT ? 1 : 3) << timer;
-+	if (((timer_dev.occupation & mask) ^ mask)) {
-+		mutex_unlock(&timer_dev.gptu_mutex);
-+		return -EINVAL;
-+	}
-+
-+	n = timer >> 1;
-+	X = timer & 0x01;
-+
-+	*LQ_GPTU_RUN(n, X) = GPTU_RUN_CEN_SET(1);
-+
-+	mutex_unlock(&timer_dev.gptu_mutex);
-+
-+	return 0;
-+}
-+EXPORT_SYMBOL(lq_stop_timer);
-+
-+int lq_reset_counter_flags(u32 timer, u32 flags)
-+{
-+	unsigned int oflag;
-+	unsigned int mask, con_reg;
-+	int n, X;
-+
-+	if (!timer_dev.f_gptu_on)
-+		return -EINVAL;
-+
-+	if (timer < FIRST_TIMER || timer >= FIRST_TIMER + timer_dev.number_of_timers)
-+		return -EINVAL;
-+
-+	mutex_lock(&timer_dev.gptu_mutex);
-+
-+	oflag = timer_dev.timer[timer - FIRST_TIMER].flag;
-+	if (TIMER_FLAG_MASK_SIZE(oflag) != TIMER_FLAG_16BIT)
-+		timer &= ~0x01;
-+
-+	mask = (TIMER_FLAG_MASK_SIZE(oflag) == TIMER_FLAG_16BIT ? 1 : 3) << timer;
-+	if (((timer_dev.occupation & mask) ^ mask)) {
-+		mutex_unlock(&timer_dev.gptu_mutex);
-+		return -EINVAL;
-+	}
-+
-+	switch (TIMER_FLAG_MASK_EDGE(flags)) {
-+	default:
-+	case TIMER_FLAG_NONE_EDGE:
-+		con_reg = GPTU_CON_EDGE_SET(0x00);
-+		break;
-+	case TIMER_FLAG_RISE_EDGE:
-+		con_reg = GPTU_CON_EDGE_SET(0x01);
-+		break;
-+	case TIMER_FLAG_FALL_EDGE:
-+		con_reg = GPTU_CON_EDGE_SET(0x02);
-+		break;
-+	case TIMER_FLAG_ANY_EDGE:
-+		con_reg = GPTU_CON_EDGE_SET(0x03);
-+		break;
-+	}
-+	if (TIMER_FLAG_MASK_TYPE(flags) == TIMER_FLAG_TIMER)
-+		con_reg |= TIMER_FLAG_MASK_SRC(flags) == TIMER_FLAG_EXT_SRC ? GPTU_CON_SRC_EXT_SET(1) : GPTU_CON_SRC_EXT_SET(0);
-+	else
-+		con_reg |= TIMER_FLAG_MASK_SRC(flags) == TIMER_FLAG_EXT_SRC ? GPTU_CON_SRC_EG_SET(1) : GPTU_CON_SRC_EG_SET(0);
-+	con_reg |= TIMER_FLAG_MASK_SYNC(flags) == TIMER_FLAG_UNSYNC ? GPTU_CON_SYNC_SET(0) : GPTU_CON_SYNC_SET(1);
-+	con_reg |= TIMER_FLAG_MASK_INVERT(flags) == TIMER_FLAG_REAL ? GPTU_CON_INV_SET(0) : GPTU_CON_INV_SET(1);
-+	con_reg |= TIMER_FLAG_MASK_SIZE(flags) == TIMER_FLAG_16BIT ? GPTU_CON_EXT_SET(0) : GPTU_CON_EXT_SET(1);
-+	con_reg |= TIMER_FLAG_MASK_STOP(flags) == TIMER_FLAG_ONCE ? GPTU_CON_STP_SET(1) : GPTU_CON_STP_SET(0);
-+	con_reg |= TIMER_FLAG_MASK_TYPE(flags) == TIMER_FLAG_TIMER ? GPTU_CON_CNT_SET(0) : GPTU_CON_CNT_SET(1);
-+	con_reg |= TIMER_FLAG_MASK_DIR(flags) == TIMER_FLAG_UP ? GPTU_CON_DIR_SET(1) : GPTU_CON_DIR_SET(0);
-+
-+	timer_dev.timer[timer - FIRST_TIMER].flag = flags;
-+	if (TIMER_FLAG_MASK_SIZE(flags) != TIMER_FLAG_16BIT)
-+		timer_dev.timer[timer - FIRST_TIMER + 1].flag = flags;
-+
-+	n = timer >> 1;
-+	X = timer & 0x01;
-+
-+	*LQ_GPTU_CON(n, X) = con_reg;
-+	smp_wmb();
-+	printk(KERN_INFO "[%s]: counter%d oflags %#x, nflags %#x, GPTU_CON %#x\n", __func__, timer, oflag, flags, *LQ_GPTU_CON(n, X));
-+	mutex_unlock(&timer_dev.gptu_mutex);
-+	return 0;
-+}
-+EXPORT_SYMBOL(lq_reset_counter_flags);
-+
-+int lq_get_count_value(unsigned int timer, unsigned long *value)
-+{
-+	unsigned int flag;
-+	unsigned int mask;
-+	int n, X;
-+
-+	if (!timer_dev.f_gptu_on)
-+		return -EINVAL;
-+
-+	if (timer < FIRST_TIMER
-+	    || timer >= FIRST_TIMER + timer_dev.number_of_timers)
-+		return -EINVAL;
-+
-+	mutex_lock(&timer_dev.gptu_mutex);
-+
-+	flag = timer_dev.timer[timer - FIRST_TIMER].flag;
-+	if (TIMER_FLAG_MASK_SIZE(flag) != TIMER_FLAG_16BIT)
-+		timer &= ~0x01;
-+
-+	mask = (TIMER_FLAG_MASK_SIZE(flag) == TIMER_FLAG_16BIT ? 1 : 3) << timer;
-+	if (((timer_dev.occupation & mask) ^ mask)) {
-+		mutex_unlock(&timer_dev.gptu_mutex);
-+		return -EINVAL;
-+	}
-+
-+	n = timer >> 1;
-+	X = timer & 0x01;
-+
-+	*value = *LQ_GPTU_COUNT(n, X);
-+
-+	mutex_unlock(&timer_dev.gptu_mutex);
-+
-+	return 0;
-+}
-+EXPORT_SYMBOL(lq_get_count_value);
-+
-+u32 lq_cal_divider(unsigned long freq)
-+{
-+	u64 module_freq, fpi = ltq_get_fpi_bus_clock(2);
-+	u32 clock_divider = 1;
-+	module_freq = fpi * 1000;
-+	do_div(module_freq, clock_divider * freq);
-+	return module_freq;
-+}
-+EXPORT_SYMBOL(lq_cal_divider);
-+
-+int lq_set_timer(unsigned int timer, unsigned int freq, int is_cyclic,
-+	int is_ext_src, unsigned int handle_flag, unsigned long arg1,
-+	unsigned long arg2)
-+{
-+	unsigned long divider;
-+	unsigned int flag;
-+
-+	divider = lq_cal_divider(freq);
-+	if (divider == 0)
-+		return -EINVAL;
-+	flag = ((divider & ~0xFFFF) ? TIMER_FLAG_32BIT : TIMER_FLAG_16BIT)
-+		| (is_cyclic ? TIMER_FLAG_CYCLIC : TIMER_FLAG_ONCE)
-+		| (is_ext_src ? TIMER_FLAG_EXT_SRC : TIMER_FLAG_INT_SRC)
-+		| TIMER_FLAG_TIMER | TIMER_FLAG_DOWN
-+		| TIMER_FLAG_MASK_HANDLE(handle_flag);
-+
-+	printk(KERN_INFO "lq_set_timer(%d, %d), divider = %lu\n",
-+		timer, freq, divider);
-+	return lq_request_timer(timer, flag, divider, arg1, arg2);
-+}
-+EXPORT_SYMBOL(lq_set_timer);
-+
-+int lq_set_counter(unsigned int timer, unsigned int flag, u32 reload,
-+	unsigned long arg1, unsigned long arg2)
-+{
-+	printk(KERN_INFO "lq_set_counter(%d, %#x, %d)\n", timer, flag, reload);
-+	return lq_request_timer(timer, flag, reload, arg1, arg2);
-+}
-+EXPORT_SYMBOL(lq_set_counter);
-+
-+static long gptu_ioctl(struct file *file, unsigned int cmd,
-+	unsigned long arg)
-+{
-+	int ret;
-+	struct gptu_ioctl_param param;
-+
-+	if (!access_ok(VERIFY_READ, arg, sizeof(struct gptu_ioctl_param)))
-+		return -EFAULT;
-+	copy_from_user(&param, (void *) arg, sizeof(param));
-+
-+	if ((((cmd == GPTU_REQUEST_TIMER || cmd == GPTU_SET_TIMER
-+	       || GPTU_SET_COUNTER) && param.timer < 2)
-+	     || cmd == GPTU_GET_COUNT_VALUE || cmd == GPTU_CALCULATE_DIVIDER)
-+	    && !access_ok(VERIFY_WRITE, arg,
-+			   sizeof(struct gptu_ioctl_param)))
-+		return -EFAULT;
-+
-+	switch (cmd) {
-+	case GPTU_REQUEST_TIMER:
-+		ret = lq_request_timer(param.timer, param.flag, param.value,
-+				     (unsigned long) param.pid,
-+				     (unsigned long) param.sig);
-+		if (ret > 0) {
-+			copy_to_user(&((struct gptu_ioctl_param *) arg)->
-+				      timer, &ret, sizeof(&ret));
-+			ret = 0;
-+		}
-+		break;
-+	case GPTU_FREE_TIMER:
-+		ret = lq_free_timer(param.timer);
-+		break;
-+	case GPTU_START_TIMER:
-+		ret = lq_start_timer(param.timer, param.flag);
-+		break;
-+	case GPTU_STOP_TIMER:
-+		ret = lq_stop_timer(param.timer);
-+		break;
-+	case GPTU_GET_COUNT_VALUE:
-+		ret = lq_get_count_value(param.timer, &param.value);
-+		if (!ret)
-+			copy_to_user(&((struct gptu_ioctl_param *) arg)->
-+				      value, &param.value,
-+				      sizeof(param.value));
-+		break;
-+	case GPTU_CALCULATE_DIVIDER:
-+		param.value = lq_cal_divider(param.value);
-+		if (param.value == 0)
-+			ret = -EINVAL;
-+		else {
-+			copy_to_user(&((struct gptu_ioctl_param *) arg)->
-+				      value, &param.value,
-+				      sizeof(param.value));
-+			ret = 0;
-+		}
-+		break;
-+	case GPTU_SET_TIMER:
-+		ret = lq_set_timer(param.timer, param.value,
-+				 TIMER_FLAG_MASK_STOP(param.flag) !=
-+				 TIMER_FLAG_ONCE ? 1 : 0,
-+				 TIMER_FLAG_MASK_SRC(param.flag) ==
-+				 TIMER_FLAG_EXT_SRC ? 1 : 0,
-+				 TIMER_FLAG_MASK_HANDLE(param.flag) ==
-+				 TIMER_FLAG_SIGNAL ? TIMER_FLAG_SIGNAL :
-+				 TIMER_FLAG_NO_HANDLE,
-+				 (unsigned long) param.pid,
-+				 (unsigned long) param.sig);
-+		if (ret > 0) {
-+			copy_to_user(&((struct gptu_ioctl_param *) arg)->
-+				      timer, &ret, sizeof(&ret));
-+			ret = 0;
-+		}
-+		break;
-+	case GPTU_SET_COUNTER:
-+		lq_set_counter(param.timer, param.flag, param.value, 0, 0);
-+		if (ret > 0) {
-+			copy_to_user(&((struct gptu_ioctl_param *) arg)->
-+				      timer, &ret, sizeof(&ret));
-+			ret = 0;
-+		}
-+		break;
-+	default:
-+		ret = -ENOTTY;
-+	}
-+
-+	return ret;
-+}
-+
-+static int gptu_open(struct inode *inode, struct file *file)
-+{
-+	return 0;
-+}
-+
-+static int gptu_release(struct inode *inode, struct file *file)
-+{
-+	return 0;
-+}
-+
-+int __init lq_gptu_init(void)
-+{
-+	int ret;
-+	unsigned int i;
-+
-+	ltq_w32(0, LQ_GPTU_IRNEN);
-+	ltq_w32(0xfff, LQ_GPTU_IRNCR);
-+
-+	memset(&timer_dev, 0, sizeof(timer_dev));
-+	mutex_init(&timer_dev.gptu_mutex);
-+
-+	lq_enable_gptu();
-+	timer_dev.number_of_timers = GPTU_ID_CFG * 2;
-+	lq_disable_gptu();
-+	if (timer_dev.number_of_timers > MAX_NUM_OF_32BIT_TIMER_BLOCKS * 2)
-+		timer_dev.number_of_timers = MAX_NUM_OF_32BIT_TIMER_BLOCKS * 2;
-+	printk(KERN_INFO "gptu: totally %d 16-bit timers/counters\n", timer_dev.number_of_timers);
-+
-+	ret = misc_register(&gptu_miscdev);
-+	if (ret) {
-+		printk(KERN_ERR "gptu: can't misc_register, get error %d\n", -ret);
-+		return ret;
-+	} else {
-+		printk(KERN_INFO "gptu: misc_register on minor %d\n", gptu_miscdev.minor);
-+	}
-+
-+	for (i = 0; i < timer_dev.number_of_timers; i++) {
-+		ret = request_irq(TIMER_INTERRUPT + i, timer_irq_handler, IRQF_TIMER, gptu_miscdev.name, &timer_dev.timer[i]);
-+		if (ret) {
-+			for (; i >= 0; i--)
-+				free_irq(TIMER_INTERRUPT + i, &timer_dev.timer[i]);
-+			misc_deregister(&gptu_miscdev);
-+			printk(KERN_ERR "gptu: failed in requesting irq (%d), get error %d\n", i, -ret);
-+			return ret;
-+		} else {
-+			timer_dev.timer[i].irq = TIMER_INTERRUPT + i;
-+			disable_irq(timer_dev.timer[i].irq);
-+			printk(KERN_INFO "gptu: succeeded to request irq %d\n", timer_dev.timer[i].irq);
-+		}
-+	}
-+
-+	return 0;
-+}
-+
-+void __exit lq_gptu_exit(void)
-+{
-+	unsigned int i;
-+
-+	for (i = 0; i < timer_dev.number_of_timers; i++) {
-+		if (timer_dev.timer[i].f_irq_on)
-+			disable_irq(timer_dev.timer[i].irq);
-+		free_irq(timer_dev.timer[i].irq, &timer_dev.timer[i]);
-+	}
-+	lq_disable_gptu();
-+	misc_deregister(&gptu_miscdev);
-+}
-+
-+module_init(lq_gptu_init);
-+module_exit(lq_gptu_exit);