[lantiq] update 3.2 patches

sync with lantiq kernel series

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@31260 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 0 insertions, 1204 deletions

diff --git a/target/linux/lantiq/patches-3.2/0040-I2C-MIPS-lantiq-add-FALC-ON-i2c-bus-master.patch b/target/linux/lantiq/patches-3.2/0040-I2C-MIPS-lantiq-add-FALC-ON-i2c-bus-master.patch
deleted file mode 100644
index 8b3775a52..000000000
--- a/target/linux/lantiq/patches-3.2/0040-I2C-MIPS-lantiq-add-FALC-ON-i2c-bus-master.patch
+++ /dev/null
@@ -1,1204 +0,0 @@
-From 97050437c6a3ce59ce2c5a8286b9bc1c9f1b3b60 Mon Sep 17 00:00:00 2001
-From: John Crispin <blogic@openwrt.org>
-Date: Fri, 4 Nov 2011 16:00:34 +0100
-Subject: [PATCH 40/70] I2C: MIPS: lantiq: add FALC-ON i2c bus master
-
-This patch adds the driver needed to make the I2C bus work on FALC-ON SoCs.
-
-Signed-off-by: Thomas Langer <thomas.langer@lantiq.com>
-Signed-off-by: John Crispin <blogic@openwrt.org>
-Cc: linux-i2c@vger.kernel.org
----
- .../include/asm/mach-lantiq/falcon/lantiq_soc.h    |    5 +
- arch/mips/lantiq/falcon/clk.c                      |   44 -
- arch/mips/lantiq/falcon/devices.c                  |   16 +
- arch/mips/lantiq/falcon/devices.h                  |    1 +
- arch/mips/lantiq/falcon/mach-easy98000.c           |    1 +
- drivers/i2c/busses/Kconfig                         |   10 +
- drivers/i2c/busses/Makefile                        |    1 +
- drivers/i2c/busses/i2c-falcon.c                    | 1040 ++++++++++++++++++++
- 8 files changed, 1074 insertions(+), 44 deletions(-)
- delete mode 100644 arch/mips/lantiq/falcon/clk.c
- create mode 100644 drivers/i2c/busses/i2c-falcon.c
-
---- a/arch/mips/include/asm/mach-lantiq/falcon/lantiq_soc.h
-+++ b/arch/mips/include/asm/mach-lantiq/falcon/lantiq_soc.h
-@@ -72,6 +72,10 @@
- #define LTQ_PADCTRL4_BASE_ADDR  0x1E800600
- #define LTQ_PADCTRL4_SIZE       0x0100
- 
-+/* I2C */
-+#define GPON_I2C_BASE		0x1E200000
-+#define GPON_I2C_SIZE		0x00010000
-+
- /* CHIP ID */
- #define LTQ_STATUS_BASE_ADDR	0x1E802000
- 
-@@ -106,6 +110,7 @@
- #define ACTS_PADCTRL2	0x00200000
- #define ACTS_PADCTRL3	0x00200000
- #define ACTS_PADCTRL4	0x00400000
-+#define ACTS_I2C_ACT	0x00004000
- 
- /* global register ranges */
- extern __iomem void *ltq_ebu_membase;
---- a/arch/mips/lantiq/falcon/clk.c
-+++ /dev/null
-@@ -1,44 +0,0 @@
--/*
-- * 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.
-- *
-- * Copyright (C) 2011 Thomas Langer <thomas.langer@lantiq.com>
-- * Copyright (C) 2011 John Crispin <blogic@openwrt.org>
-- */
--
--#include <linux/ioport.h>
--#include <linux/export.h>
--
--#include <lantiq_soc.h>
--
--#include "devices.h"
--
--/* CPU0 Clock Control Register */
--#define LTQ_SYS1_CPU0CC		0x0040
--/* clock divider bit */
--#define LTQ_CPU0CC_CPUDIV	0x0001
--
--unsigned int
--ltq_get_io_region_clock(void)
--{
--	return CLOCK_200M;
--}
--EXPORT_SYMBOL(ltq_get_io_region_clock);
--
--unsigned int
--ltq_get_cpu_hz(void)
--{
--	if (ltq_sys1_r32(LTQ_SYS1_CPU0CC) & LTQ_CPU0CC_CPUDIV)
--		return CLOCK_200M;
--	else
--		return CLOCK_400M;
--}
--EXPORT_SYMBOL(ltq_get_cpu_hz);
--
--unsigned int
--ltq_get_fpi_hz(void)
--{
--	return CLOCK_100M;
--}
--EXPORT_SYMBOL(ltq_get_fpi_hz);
---- a/arch/mips/lantiq/falcon/devices.c
-+++ b/arch/mips/lantiq/falcon/devices.c
-@@ -134,3 +134,19 @@ falcon_register_spi_flash(struct spi_boa
- 	spi_register_board_info(data, 1);
- 	platform_device_register(&ltq_spi);
- }
-+
-+/* i2c */
-+static struct resource falcon_i2c_resources[] = {
-+	MEM_RES("i2c", GPON_I2C_BASE, GPON_I2C_SIZE),
-+	IRQ_RES(i2c_lb, FALCON_IRQ_I2C_LBREQ),
-+	IRQ_RES(i2c_b, FALCON_IRQ_I2C_BREQ),
-+	IRQ_RES(i2c_err, FALCON_IRQ_I2C_I2C_ERR),
-+	IRQ_RES(i2c_p, FALCON_IRQ_I2C_I2C_P),
-+};
-+
-+void __init
-+falcon_register_i2c(void)
-+{
-+	platform_device_register_simple("i2c-falcon", 0,
-+		falcon_i2c_resources, ARRAY_SIZE(falcon_i2c_resources));
-+}
---- a/arch/mips/lantiq/falcon/devices.h
-+++ b/arch/mips/lantiq/falcon/devices.h
-@@ -20,5 +20,6 @@ extern void falcon_register_nand(void);
- extern void falcon_register_gpio(void);
- extern void falcon_register_gpio_extra(void);
- extern void falcon_register_spi_flash(struct spi_board_info *data);
-+extern void falcon_register_i2c(void);
- 
- #endif
---- a/arch/mips/lantiq/falcon/mach-easy98000.c
-+++ b/arch/mips/lantiq/falcon/mach-easy98000.c
-@@ -98,6 +98,7 @@ easy98000_init_common(void)
- {
- 	spi_register_board_info(&easy98000_spi_gpio_devices, 1);
- 	platform_device_register(&easy98000_spi_gpio_device);
-+	falcon_register_i2c();
- }
- 
- static void __init
---- a/drivers/i2c/busses/Kconfig
-+++ b/drivers/i2c/busses/Kconfig
-@@ -369,6 +369,16 @@ config I2C_DESIGNWARE_PCI
- 	  This driver can also be built as a module.  If so, the module
- 	  will be called i2c-designware-pci.
- 
-+config I2C_FALCON
-+	tristate "Falcon I2C interface"
-+	depends on SOC_FALCON
-+	help
-+	  If you say yes to this option, support will be included for the
-+	  Lantiq FALC-ON I2C core.
-+
-+	  This driver can also be built as a module. If so, the module
-+	  will be called i2c-falcon.
-+
- config I2C_GPIO
- 	tristate "GPIO-based bitbanging I2C"
- 	depends on GENERIC_GPIO
---- a/drivers/i2c/busses/Makefile
-+++ b/drivers/i2c/busses/Makefile
-@@ -37,6 +37,7 @@ obj-$(CONFIG_I2C_DESIGNWARE_PLATFORM)	+=
- i2c-designware-platform-objs := i2c-designware-platdrv.o i2c-designware-core.o
- obj-$(CONFIG_I2C_DESIGNWARE_PCI)	+= i2c-designware-pci.o
- i2c-designware-pci-objs := i2c-designware-pcidrv.o i2c-designware-core.o
-+obj-$(CONFIG_I2C_FALCON)	+= i2c-falcon.o
- obj-$(CONFIG_I2C_GPIO)		+= i2c-gpio.o
- obj-$(CONFIG_I2C_HIGHLANDER)	+= i2c-highlander.o
- obj-$(CONFIG_I2C_IBM_IIC)	+= i2c-ibm_iic.o
---- /dev/null
-+++ b/drivers/i2c/busses/i2c-falcon.c
-@@ -0,0 +1,1040 @@
-+/*
-+ * Lantiq FALC(tm) ON - I2C bus adapter
-+ *
-+ * Parts based on i2c-designware.c and other i2c drivers from Linux 2.6.33
-+ *
-+ * 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; either version 2 of the License, or
-+ * (at your option) any later version.
-+ *
-+ * 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.  See the
-+ * GNU General Public License for more details.
-+ *
-+ * You should have received a copy of the GNU General Public License
-+ * along with this program; if not, write to the Free Software
-+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-+ *
-+ * Copyright (C) 2010 Thomas Langer <thomas.langer@lantiq.com>
-+ */
-+
-+/*
-+ * CURRENT ISSUES:
-+ * - no high speed support
-+ * - supports only master mode
-+ * - ten bit mode is not tested (no slave devices)
-+ */
-+
-+#include <linux/kernel.h>
-+#include <linux/module.h>
-+#include <linux/delay.h>
-+#include <linux/slab.h>
-+#include <linux/i2c.h>
-+#include <linux/clk.h>
-+#include <linux/errno.h>
-+#include <linux/sched.h>
-+#include <linux/err.h>
-+#include <linux/interrupt.h>
-+#include <linux/platform_device.h>
-+#include <linux/io.h>
-+#include <linux/err.h>
-+#include <linux/gpio.h>
-+
-+#include <lantiq_soc.h>
-+
-+/* I2C Identification Register */
-+/* Module ID */
-+#define I2C_ID_ID_MASK 0x0000FF00
-+/* field offset */
-+#define I2C_ID_ID_OFFSET 8
-+/* Revision */
-+#define I2C_ID_REV_MASK 0x000000FF
-+/* field offset */
-+#define I2C_ID_REV_OFFSET 0
-+
-+/* I2C Error Interrupt Request Source Status Register */
-+/* TXF_OFL */
-+#define I2C_ERR_IRQSS_TXF_OFL 0x00000008
-+/* TXF_UFL */
-+#define I2C_ERR_IRQSS_TXF_UFL 0x00000004
-+/* RXF_OFL */
-+#define I2C_ERR_IRQSS_RXF_OFL 0x00000002
-+/* RXF_UFL */
-+#define I2C_ERR_IRQSS_RXF_UFL 0x00000001
-+
-+/* I2C Bus Status Register */
-+/* Bus Status */
-+#define I2C_BUS_STAT_BS_MASK 0x00000003
-+/* I2C Bus is free. */
-+#define I2C_BUS_STAT_BS_FREE 0x00000000
-+/*
-+ * The device is working as master and has claimed the control
-+ * on the I2C-bus (busy master).
-+ */
-+#define I2C_BUS_STAT_BS_BM 0x00000002
-+
-+/* I2C Interrupt Clear Register */
-+/* Clear */
-+#define I2C_ICR_BREQ_INT_CLR 0x00000008
-+/* Clear */
-+#define I2C_ICR_LBREQ_INT_CLR 0x00000004
-+
-+/* I2C RUN Control Register */
-+/* Enable */
-+#define I2C_RUN_CTRL_RUN_EN 0x00000001
-+
-+/* I2C Kernel Clock Control Register */
-+/* field offset */
-+#define I2C_CLC_RMC_OFFSET 8
-+/* Enable */
-+#define I2C_IMSC_I2C_P_INT_EN 0x00000020
-+/* Enable */
-+#define I2C_IMSC_I2C_ERR_INT_EN 0x00000010
-+/* Enable */
-+#define I2C_IMSC_BREQ_INT_EN 0x00000008
-+/* Enable */
-+#define I2C_IMSC_LBREQ_INT_EN 0x00000004
-+
-+/* I2C Fractional Divider Configuration Register */
-+/* field offset */
-+#define I2C_FDIV_CFG_INC_OFFSET 16
-+/* field offset */
-+#define I2C_FDIV_CFG_DEC_OFFSET 0
-+
-+/* I2C Fractional Divider (highspeed mode) Configuration Register */
-+/* field offset */
-+#define I2C_FDIV_HIGH_CFG_INC_OFFSET 16
-+/* field offset */
-+#define I2C_FDIV_HIGH_CFG_DEC_OFFSET 0
-+
-+/* I2C Address Register */
-+/* Enable */
-+#define I2C_ADDR_CFG_SOPE_EN 0x00200000
-+/* Enable */
-+#define I2C_ADDR_CFG_SONA_EN 0x00100000
-+/* Enable */
-+#define I2C_ADDR_CFG_MnS_EN 0x00080000
-+
-+/* I2C Protocol Interrupt Request Source Status Register */
-+/* RX */
-+#define I2C_P_IRQSS_RX 0x00000040
-+/* TX_END */
-+#define I2C_P_IRQSS_TX_END 0x00000020
-+/* NACK */
-+#define I2C_P_IRQSS_NACK 0x00000010
-+/* AL */
-+#define I2C_P_IRQSS_AL 0x00000008
-+
-+/* I2C Raw Interrupt Status Register */
-+/* Read: Interrupt occurred. */
-+#define I2C_RIS_I2C_P_INT_INTOCC 0x00000020
-+/* Read: Interrupt occurred. */
-+#define I2C_RIS_I2C_ERR_INT_INTOCC 0x00000010
-+
-+/* I2C End Data Control Register */
-+/*
-+ * Set End of Transmission - Note: Do not write '1' to this bit when bus is
-+ * free. This will cause an abort after the first byte when a new transfer
-+ * is started.
-+ */
-+#define I2C_ENDD_CTRL_SETEND 0x00000002
-+/* TX FIFO Flow Control */
-+#define I2C_FIFO_CFG_TXFC 0x00020000
-+/* RX FIFO Flow Control */
-+#define I2C_FIFO_CFG_RXFC 0x00010000
-+/* Word aligned (character alignment of four characters) */
-+#define I2C_FIFO_CFG_TXFA_TXFA2 0x00002000
-+/* Word aligned (character alignment of four characters) */
-+#define I2C_FIFO_CFG_RXFA_RXFA2 0x00000200
-+/* 1 word */
-+#define I2C_FIFO_CFG_TXBS_TXBS0 0x00000000
-+/* 1 word */
-+#define I2C_FIFO_CFG_RXBS_RXBS0 0x00000000
-+
-+
-+/* I2C register structure */
-+struct gpon_reg_i2c {
-+	/* I2C Kernel Clock Control Register */
-+	unsigned int clc; /* 0x00000000 */
-+	/* Reserved */
-+	unsigned int res_0; /* 0x00000004 */
-+	/* I2C Identification Register */
-+	unsigned int id; /* 0x00000008 */
-+	/* Reserved */
-+	unsigned int res_1; /* 0x0000000C */
-+	/*
-+	 * I2C RUN Control Register - This register enables and disables the I2C
-+	 * peripheral. Before enabling, the I2C has to be configured properly.
-+	 * After enabling no configuration is possible
-+	 */
-+	unsigned int run_ctrl; /* 0x00000010 */
-+	/*
-+	 * I2C End Data Control Register - This register is used to either turn
-+	 * around the data transmission direction or to address another slave
-+	 * without sending a stop condition. Also the software can stop the
-+	 * slave-transmitter by sending a not-accolade when working as
-+	 * master-receiver or even stop data transmission immediately when
-+	 * operating as master-transmitter. The writing to the bits of this
-+	 * control register is only effective when in MASTER RECEIVES BYTES,
-+	 * MASTER TRANSMITS BYTES, MASTER RESTART or SLAVE RECEIVE BYTES state
-+	 */
-+	unsigned int endd_ctrl; /* 0x00000014 */
-+	/*
-+	 * I2C Fractional Divider Configuration Register - These register is
-+	 * used to program the fractional divider of the I2C bus. Before the
-+	 * peripheral is switched on by setting the RUN-bit the two (fixed)
-+	 * values for the two operating frequencies are programmed into these
-+	 * (configuration) registers. The Register FDIV_HIGH_CFG has the same
-+	 * layout as I2C_FDIV_CFG.
-+	 */
-+	unsigned int fdiv_cfg; /* 0x00000018 */
-+	/*
-+	 * I2C Fractional Divider (highspeed mode) Configuration Register
-+	 * These register is used to program the fractional divider of the I2C
-+	 * bus. Before the peripheral is switched on by setting the RUN-bit the
-+	 * two (fixed) values for the two operating frequencies are programmed
-+	 * into these (configuration) registers. The Register FDIV_CFG has the
-+	 * same layout as I2C_FDIV_CFG.
-+	 */
-+	unsigned int fdiv_high_cfg; /* 0x0000001C */
-+	/* I2C Address Configuration Register */
-+	unsigned int addr_cfg; /* 0x00000020 */
-+	/*
-+	 * I2C Bus Status Register - This register gives a status information
-+	 * of the I2C. This additional information can be used by the software
-+	 * to start proper actions.
-+	 */
-+	unsigned int bus_stat; /* 0x00000024 */
-+	/* I2C FIFO Configuration Register */
-+	unsigned int fifo_cfg; /* 0x00000028 */
-+	/* I2C Maximum Received Packet Size Register */
-+	unsigned int mrps_ctrl; /* 0x0000002C */
-+	/* I2C Received Packet Size Status Register */
-+	unsigned int rps_stat; /* 0x00000030 */
-+	/* I2C Transmit Packet Size Register */
-+	unsigned int tps_ctrl; /* 0x00000034 */
-+	/* I2C Filled FIFO Stages Status Register */
-+	unsigned int ffs_stat; /* 0x00000038 */
-+	/* Reserved */
-+	unsigned int res_2; /* 0x0000003C */
-+	/* I2C Timing Configuration Register */
-+	unsigned int tim_cfg; /* 0x00000040 */
-+	/* Reserved */
-+		unsigned int res_3[7]; /* 0x00000044 */
-+	/* I2C Error Interrupt Request Source Mask Register */
-+	unsigned int err_irqsm; /* 0x00000060 */
-+	/* I2C Error Interrupt Request Source Status Register */
-+	unsigned int err_irqss; /* 0x00000064 */
-+	/* I2C Error Interrupt Request Source Clear Register */
-+	unsigned int err_irqsc; /* 0x00000068 */
-+	/* Reserved */
-+	unsigned int res_4; /* 0x0000006C */
-+	/* I2C Protocol Interrupt Request Source Mask Register */
-+	unsigned int p_irqsm; /* 0x00000070 */
-+	/* I2C Protocol Interrupt Request Source Status Register */
-+	unsigned int p_irqss; /* 0x00000074 */
-+	/* I2C Protocol Interrupt Request Source Clear Register */
-+	unsigned int p_irqsc; /* 0x00000078 */
-+	/* Reserved */
-+	unsigned int res_5; /* 0x0000007C */
-+	/* I2C Raw Interrupt Status Register */
-+	unsigned int ris; /* 0x00000080 */
-+	/* I2C Interrupt Mask Control Register */
-+	unsigned int imsc; /* 0x00000084 */
-+	/* I2C Masked Interrupt Status Register */
-+	unsigned int mis; /* 0x00000088 */
-+	/* I2C Interrupt Clear Register */
-+	unsigned int icr; /* 0x0000008C */
-+	/* I2C Interrupt Set Register */
-+	unsigned int isr; /* 0x00000090 */
-+	/* I2C DMA Enable Register */
-+	unsigned int dmae; /* 0x00000094 */
-+	/* Reserved */
-+	unsigned int res_6[8154]; /* 0x00000098 */
-+	/* I2C Transmit Data Register */
-+	unsigned int txd; /* 0x00008000 */
-+	/* Reserved */
-+	unsigned int res_7[4095]; /* 0x00008004 */
-+	/* I2C Receive Data Register */
-+	unsigned int rxd; /* 0x0000C000 */
-+	/* Reserved */
-+	unsigned int res_8[4095]; /* 0x0000C004 */
-+};
-+
-+/* mapping for access macros */
-+#define i2c	((struct gpon_reg_i2c *)priv->membase)
-+#define reg_r32(reg)		__raw_readl(reg)
-+#define reg_w32(val, reg)	__raw_writel(val, reg)
-+#define reg_w32_mask(clear, set, reg)	\
-+				reg_w32((reg_r32(reg) & ~(clear)) | (set), reg)
-+#define reg_r32_table(reg, idx) reg_r32(&((uint32_t *)&reg)[idx])
-+#define reg_w32_table(val, reg, idx) reg_w32(val, &((uint32_t *)&reg)[idx])
-+
-+#define i2c_r32(reg) reg_r32(&i2c->reg)
-+#define i2c_w32(val, reg) reg_w32(val, &i2c->reg)
-+#define i2c_w32_mask(clear, set, reg) reg_w32_mask(clear, set, &i2c->reg)
-+
-+#define DRV_NAME "i2c-falcon"
-+#define DRV_VERSION "1.01"
-+
-+#define FALCON_I2C_BUSY_TIMEOUT		20 /* ms */
-+
-+#ifdef DEBUG
-+#define FALCON_I2C_XFER_TIMEOUT		(25 * HZ)
-+#else
-+#define FALCON_I2C_XFER_TIMEOUT		HZ
-+#endif
-+#if defined(DEBUG) && 0
-+#define PRINTK(arg...) pr_info(arg)
-+#else
-+#define PRINTK(arg...) do {} while (0)
-+#endif
-+
-+#define FALCON_I2C_IMSC_DEFAULT_MASK	(I2C_IMSC_I2C_P_INT_EN | \
-+					 I2C_IMSC_I2C_ERR_INT_EN)
-+
-+#define FALCON_I2C_ARB_LOST	(1 << 0)
-+#define FALCON_I2C_NACK		(1 << 1)
-+#define FALCON_I2C_RX_UFL	(1 << 2)
-+#define FALCON_I2C_RX_OFL	(1 << 3)
-+#define FALCON_I2C_TX_UFL	(1 << 4)
-+#define FALCON_I2C_TX_OFL	(1 << 5)
-+
-+struct falcon_i2c {
-+	struct mutex mutex;
-+
-+	enum {
-+		FALCON_I2C_MODE_100	= 1,
-+		FALCON_I2C_MODE_400	= 2,
-+		FALCON_I2C_MODE_3400	= 3
-+	} mode;				/* current speed mode */
-+
-+	struct clk *clk;		/* clock input for i2c hardware block */
-+	struct gpon_reg_i2c __iomem *membase;	/* base of mapped registers */
-+	int irq_lb, irq_b, irq_err, irq_p;	/* last burst, burst, error,
-+						   protocol IRQs */
-+
-+	struct i2c_adapter adap;
-+	struct device *dev;
-+
-+	struct completion	cmd_complete;
-+
-+	/* message transfer data */
-+	/* current message */
-+	struct i2c_msg		*current_msg;
-+	/* number of messages to handle */
-+	int			msgs_num;
-+	/* current buffer */
-+	u8			*msg_buf;
-+	/* remaining length of current buffer */
-+	u32			msg_buf_len;
-+	/* error status of the current transfer */
-+	int			msg_err;
-+
-+	/* master status codes */
-+	enum {
-+		STATUS_IDLE,
-+		STATUS_ADDR,	/* address phase */
-+		STATUS_WRITE,
-+		STATUS_READ,
-+		STATUS_READ_END,
-+		STATUS_STOP
-+	} status;
-+};
-+
-+static irqreturn_t falcon_i2c_isr(int irq, void *dev_id);
-+
-+static inline void enable_burst_irq(struct falcon_i2c *priv)
-+{
-+	i2c_w32_mask(0, I2C_IMSC_LBREQ_INT_EN | I2C_IMSC_BREQ_INT_EN, imsc);
-+}
-+static inline void disable_burst_irq(struct falcon_i2c *priv)
-+{
-+	i2c_w32_mask(I2C_IMSC_LBREQ_INT_EN | I2C_IMSC_BREQ_INT_EN, 0, imsc);
-+}
-+
-+static void prepare_msg_send_addr(struct falcon_i2c *priv)
-+{
-+	struct i2c_msg *msg = priv->current_msg;
-+	int rd = !!(msg->flags & I2C_M_RD);
-+	u16 addr = msg->addr;
-+
-+	/* new i2c_msg */
-+	priv->msg_buf = msg->buf;
-+	priv->msg_buf_len = msg->len;
-+	if (rd)
-+		priv->status = STATUS_READ;
-+	else
-+		priv->status = STATUS_WRITE;
-+
-+	/* send slave address */
-+	if (msg->flags & I2C_M_TEN) {
-+		i2c_w32(0xf0 | ((addr & 0x300) >> 7) | rd, txd);
-+		i2c_w32(addr & 0xff, txd);
-+	} else
-+		i2c_w32((addr & 0x7f) << 1 | rd, txd);
-+}
-+
-+static void set_tx_len(struct falcon_i2c *priv)
-+{
-+	struct i2c_msg *msg = priv->current_msg;
-+	int len = (msg->flags & I2C_M_TEN) ? 2 : 1;
-+
-+	PRINTK("set_tx_len %cX\n", (msg->flags & I2C_M_RD) ? ('R') : ('T'));
-+
-+	priv->status = STATUS_ADDR;
-+
-+	if (!(msg->flags & I2C_M_RD)) {
-+		len += msg->len;
-+	} else {
-+		/* set maximum received packet size (before rx int!) */
-+		i2c_w32(msg->len, mrps_ctrl);
-+	}
-+	i2c_w32(len, tps_ctrl);
-+	enable_burst_irq(priv);
-+}
-+
-+static int falcon_i2c_hw_init(struct i2c_adapter *adap)
-+{
-+	struct falcon_i2c *priv = i2c_get_adapdata(adap);
-+
-+	/* disable bus */
-+	i2c_w32_mask(I2C_RUN_CTRL_RUN_EN, 0, run_ctrl);
-+
-+#ifndef DEBUG
-+	/* set normal operation clock divider */
-+	i2c_w32(1 << I2C_CLC_RMC_OFFSET, clc);
-+#else
-+	/* for debugging a higher divider value! */
-+	i2c_w32(0xF0 << I2C_CLC_RMC_OFFSET, clc);
-+#endif
-+
-+	/* set frequency */
-+	if (priv->mode == FALCON_I2C_MODE_100) {
-+		dev_dbg(priv->dev, "set standard mode (100 kHz)\n");
-+		i2c_w32(0, fdiv_high_cfg);
-+		i2c_w32((1 << I2C_FDIV_CFG_INC_OFFSET) |
-+			(499 << I2C_FDIV_CFG_DEC_OFFSET),
-+			fdiv_cfg);
-+	} else if (priv->mode == FALCON_I2C_MODE_400) {
-+		dev_dbg(priv->dev, "set fast mode (400 kHz)\n");
-+		i2c_w32(0, fdiv_high_cfg);
-+		i2c_w32((1 << I2C_FDIV_CFG_INC_OFFSET) |
-+			(124 << I2C_FDIV_CFG_DEC_OFFSET),
-+			fdiv_cfg);
-+	} else if (priv->mode == FALCON_I2C_MODE_3400) {
-+		dev_dbg(priv->dev, "set high mode (3.4 MHz)\n");
-+		i2c_w32(0, fdiv_cfg);
-+		/* TODO recalculate value for 100MHz input */
-+		i2c_w32((41 << I2C_FDIV_HIGH_CFG_INC_OFFSET) |
-+			(152 << I2C_FDIV_HIGH_CFG_DEC_OFFSET),
-+			fdiv_high_cfg);
-+	} else {
-+		dev_warn(priv->dev, "unknown mode\n");
-+		return -ENODEV;
-+	}
-+
-+	/* configure fifo */
-+	i2c_w32(I2C_FIFO_CFG_TXFC | /* tx fifo as flow controller */
-+		I2C_FIFO_CFG_RXFC | /* rx fifo as flow controller */
-+		I2C_FIFO_CFG_TXFA_TXFA2 | /* tx fifo 4-byte aligned */
-+		I2C_FIFO_CFG_RXFA_RXFA2 | /* rx fifo 4-byte aligned */
-+		I2C_FIFO_CFG_TXBS_TXBS0 | /* tx fifo burst size is 1 word */
-+		I2C_FIFO_CFG_RXBS_RXBS0,  /* rx fifo burst size is 1 word */
-+		fifo_cfg);
-+
-+	/* configure address */
-+	i2c_w32(I2C_ADDR_CFG_SOPE_EN |	/* generate stop when no more data
-+					   in the fifo */
-+		I2C_ADDR_CFG_SONA_EN |	/* generate stop when NA received */
-+		I2C_ADDR_CFG_MnS_EN |	/* we are master device */
-+		0,			/* our slave address (not used!) */
-+		addr_cfg);
-+
-+	/* enable bus */
-+	i2c_w32_mask(0, I2C_RUN_CTRL_RUN_EN, run_ctrl);
-+
-+	return 0;
-+}
-+
-+static int falcon_i2c_wait_bus_not_busy(struct falcon_i2c *priv)
-+{
-+	int timeout = FALCON_I2C_BUSY_TIMEOUT;
-+
-+	while ((i2c_r32(bus_stat) & I2C_BUS_STAT_BS_MASK)
-+				 != I2C_BUS_STAT_BS_FREE) {
-+		if (timeout <= 0) {
-+			dev_warn(priv->dev, "timeout waiting for bus ready\n");
-+			return -ETIMEDOUT;
-+		}
-+		timeout--;
-+		mdelay(1);
-+	}
-+
-+	return 0;
-+}
-+
-+static void falcon_i2c_tx(struct falcon_i2c *priv, int last)
-+{
-+	if (priv->msg_buf_len && priv->msg_buf) {
-+		i2c_w32(*priv->msg_buf, txd);
-+
-+		if (--priv->msg_buf_len)
-+			priv->msg_buf++;
-+		else
-+			priv->msg_buf = NULL;
-+	} else
-+		last = 1;
-+
-+	if (last)
-+		disable_burst_irq(priv);
-+}
-+
-+static void falcon_i2c_rx(struct falcon_i2c *priv, int last)
-+{
-+	u32 fifo_stat, timeout;
-+	if (priv->msg_buf_len && priv->msg_buf) {
-+		timeout = 5000000;
-+		do {
-+			fifo_stat = i2c_r32(ffs_stat);
-+		} while (!fifo_stat && --timeout);
-+		if (!timeout) {
-+			last = 1;
-+			PRINTK("\nrx timeout\n");
-+			goto err;
-+		}
-+		while (fifo_stat) {
-+			*priv->msg_buf = i2c_r32(rxd);
-+			if (--priv->msg_buf_len)
-+				priv->msg_buf++;
-+			else {
-+				priv->msg_buf = NULL;
-+				last = 1;
-+				break;
-+			}
-+			#if 0
-+			fifo_stat = i2c_r32(ffs_stat);
-+			#else
-+			/* do not read more than burst size, otherwise no "last
-+			burst" is generated and the transaction is blocked! */
-+			fifo_stat = 0;
-+			#endif
-+		}
-+	} else {
-+		last = 1;
-+	}
-+err:
-+	if (last) {
-+		disable_burst_irq(priv);
-+
-+		if (priv->status == STATUS_READ_END) {
-+			/* do the STATUS_STOP and complete() here, as sometimes
-+			   the tx_end is already seen before this is finished */
-+			priv->status = STATUS_STOP;
-+			complete(&priv->cmd_complete);
-+		} else {
-+			i2c_w32(I2C_ENDD_CTRL_SETEND, endd_ctrl);
-+			priv->status = STATUS_READ_END;
-+		}
-+	}
-+}
-+
-+static void falcon_i2c_xfer_init(struct falcon_i2c *priv)
-+{
-+	/* enable interrupts */
-+	i2c_w32(FALCON_I2C_IMSC_DEFAULT_MASK, imsc);
-+
-+	/* trigger transfer of first msg */
-+	set_tx_len(priv);
-+}
-+
-+static void dump_msgs(struct i2c_msg msgs[], int num, int rx)
-+{
-+#if defined(DEBUG)
-+	int i, j;
-+	pr_info("Messages %d %s\n", num, rx ? "out" : "in");
-+	for (i = 0; i < num; i++) {
-+		pr_info("%2d %cX Msg(%d) addr=0x%X: ", i,
-+			(msgs[i].flags & I2C_M_RD) ? ('R') : ('T'),
-+			msgs[i].len, msgs[i].addr);
-+		if (!(msgs[i].flags & I2C_M_RD) || rx) {
-+			for (j = 0; j < msgs[i].len; j++)
-+				printk("%02X ", msgs[i].buf[j]);
-+		}
-+		printk("\n");
-+	}
-+#endif
-+}
-+
-+static void falcon_i2c_release_bus(struct falcon_i2c *priv)
-+{
-+	if ((i2c_r32(bus_stat) & I2C_BUS_STAT_BS_MASK) == I2C_BUS_STAT_BS_BM)
-+		i2c_w32(I2C_ENDD_CTRL_SETEND, endd_ctrl);
-+}
-+
-+static int falcon_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msgs[],
-+			   int num)
-+{
-+	struct falcon_i2c *priv = i2c_get_adapdata(adap);
-+	int ret;
-+
-+	dev_dbg(priv->dev, "xfer %u messages\n", num);
-+	dump_msgs(msgs, num, 0);
-+
-+	mutex_lock(&priv->mutex);
-+
-+	INIT_COMPLETION(priv->cmd_complete);
-+	priv->current_msg = msgs;
-+	priv->msgs_num = num;
-+	priv->msg_err = 0;
-+	priv->status = STATUS_IDLE;
-+
-+	/* wait for the bus to become ready */
-+	ret = falcon_i2c_wait_bus_not_busy(priv);
-+	if (ret)
-+		goto done;
-+
-+	while (priv->msgs_num) {
-+		/* start the transfers */
-+		falcon_i2c_xfer_init(priv);
-+
-+		/* wait for transfers to complete */
-+		ret = wait_for_completion_interruptible_timeout(
-+			&priv->cmd_complete, FALCON_I2C_XFER_TIMEOUT);
-+		if (ret == 0) {
-+			dev_err(priv->dev, "controller timed out\n");
-+			falcon_i2c_hw_init(adap);
-+			ret = -ETIMEDOUT;
-+			goto done;
-+		} else if (ret < 0)
-+			goto done;
-+
-+		if (priv->msg_err) {
-+			if (priv->msg_err & FALCON_I2C_NACK)
-+				ret = -ENXIO;
-+			else
-+				ret = -EREMOTEIO;
-+			goto done;
-+		}
-+		if (--priv->msgs_num)
-+			priv->current_msg++;
-+	}
-+	/* no error? */
-+	ret = num;
-+
-+done:
-+	falcon_i2c_release_bus(priv);
-+
-+	mutex_unlock(&priv->mutex);
-+
-+	if (ret >= 0)
-+		dump_msgs(msgs, num, 1);
-+
-+	PRINTK("XFER ret %d\n", ret);
-+	return ret;
-+}
-+
-+static irqreturn_t falcon_i2c_isr_burst(int irq, void *dev_id)
-+{
-+	struct falcon_i2c *priv = dev_id;
-+	struct i2c_msg *msg = priv->current_msg;
-+	int last = (irq == priv->irq_lb);
-+
-+	if (last)
-+		PRINTK("LB ");
-+	else
-+		PRINTK("B ");
-+
-+	if (msg->flags & I2C_M_RD) {
-+		switch (priv->status) {
-+		case STATUS_ADDR:
-+			PRINTK("X");
-+			prepare_msg_send_addr(priv);
-+			disable_burst_irq(priv);
-+			break;
-+		case STATUS_READ:
-+		case STATUS_READ_END:
-+			PRINTK("R");
-+			falcon_i2c_rx(priv, last);
-+			break;
-+		default:
-+			disable_burst_irq(priv);
-+			PRINTK("Status R %d\n", priv->status);
-+			break;
-+		}
-+	} else {
-+		switch (priv->status) {
-+		case STATUS_ADDR:
-+			PRINTK("x");
-+			prepare_msg_send_addr(priv);
-+			break;
-+		case STATUS_WRITE:
-+			PRINTK("w");
-+			falcon_i2c_tx(priv, last);
-+			break;
-+		default:
-+			disable_burst_irq(priv);
-+			PRINTK("Status W %d\n", priv->status);
-+			break;
-+		}
-+	}
-+
-+	i2c_w32(I2C_ICR_BREQ_INT_CLR | I2C_ICR_LBREQ_INT_CLR, icr);
-+	return IRQ_HANDLED;
-+}
-+
-+static void falcon_i2c_isr_prot(struct falcon_i2c *priv)
-+{
-+	u32 i_pro = i2c_r32(p_irqss);
-+
-+	PRINTK("i2c-p");
-+
-+	/* not acknowledge */
-+	if (i_pro & I2C_P_IRQSS_NACK) {
-+		priv->msg_err |= FALCON_I2C_NACK;
-+		PRINTK(" nack");
-+	}
-+
-+	/* arbitration lost */
-+	if (i_pro & I2C_P_IRQSS_AL) {
-+		priv->msg_err |= FALCON_I2C_ARB_LOST;
-+		PRINTK(" arb-lost");
-+	}
-+	/* tx -> rx switch */
-+	if (i_pro & I2C_P_IRQSS_RX)
-+		PRINTK(" rx");
-+
-+	/* tx end */
-+	if (i_pro & I2C_P_IRQSS_TX_END)
-+		PRINTK(" txend");
-+	PRINTK("\n");
-+
-+	if (!priv->msg_err) {
-+		/* tx -> rx switch */
-+		if (i_pro & I2C_P_IRQSS_RX) {
-+			priv->status = STATUS_READ;
-+			enable_burst_irq(priv);
-+		}
-+		if (i_pro & I2C_P_IRQSS_TX_END) {
-+			if (priv->status == STATUS_READ)
-+				priv->status = STATUS_READ_END;
-+			else {
-+				disable_burst_irq(priv);
-+				priv->status = STATUS_STOP;
-+			}
-+		}
-+	}
-+
-+	i2c_w32(i_pro, p_irqsc);
-+}
-+
-+static irqreturn_t falcon_i2c_isr(int irq, void *dev_id)
-+{
-+	u32 i_raw, i_err = 0;
-+	struct falcon_i2c *priv = dev_id;
-+
-+	i_raw = i2c_r32(mis);
-+	PRINTK("i_raw 0x%08X\n", i_raw);
-+
-+	/* error interrupt */
-+	if (i_raw & I2C_RIS_I2C_ERR_INT_INTOCC) {
-+		i_err = i2c_r32(err_irqss);
-+		PRINTK("i_err 0x%08X bus_stat 0x%04X\n",
-+			i_err, i2c_r32(bus_stat));
-+
-+		/* tx fifo overflow (8) */
-+		if (i_err & I2C_ERR_IRQSS_TXF_OFL)
-+			priv->msg_err |= FALCON_I2C_TX_OFL;
-+
-+		/* tx fifo underflow (4) */
-+		if (i_err & I2C_ERR_IRQSS_TXF_UFL)
-+			priv->msg_err |= FALCON_I2C_TX_UFL;
-+
-+		/* rx fifo overflow (2) */
-+		if (i_err & I2C_ERR_IRQSS_RXF_OFL)
-+			priv->msg_err |= FALCON_I2C_RX_OFL;
-+
-+		/* rx fifo underflow (1) */
-+		if (i_err & I2C_ERR_IRQSS_RXF_UFL)
-+			priv->msg_err |= FALCON_I2C_RX_UFL;
-+
-+		i2c_w32(i_err, err_irqsc);
-+	}
-+
-+	/* protocol interrupt */
-+	if (i_raw & I2C_RIS_I2C_P_INT_INTOCC)
-+		falcon_i2c_isr_prot(priv);
-+
-+	if ((priv->msg_err) || (priv->status == STATUS_STOP))
-+		complete(&priv->cmd_complete);
-+
-+	return IRQ_HANDLED;
-+}
-+
-+static u32 falcon_i2c_functionality(struct i2c_adapter *adap)
-+{
-+	return	I2C_FUNC_I2C |
-+		I2C_FUNC_10BIT_ADDR |
-+		I2C_FUNC_SMBUS_EMUL;
-+}
-+
-+static struct i2c_algorithm falcon_i2c_algorithm = {
-+	.master_xfer	= falcon_i2c_xfer,
-+	.functionality	= falcon_i2c_functionality,
-+};
-+
-+static int __devinit falcon_i2c_probe(struct platform_device *pdev)
-+{
-+	int ret = 0;
-+	struct falcon_i2c *priv;
-+	struct i2c_adapter *adap;
-+	struct resource *mmres, *ioarea,
-+			*irqres_lb, *irqres_b, *irqres_err, *irqres_p;
-+	struct clk *clk;
-+
-+	dev_dbg(&pdev->dev, "probing\n");
-+
-+	mmres = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-+	irqres_lb = platform_get_resource_byname(pdev, IORESOURCE_IRQ,
-+						 "i2c_lb");
-+	irqres_b = platform_get_resource_byname(pdev, IORESOURCE_IRQ, "i2c_b");
-+	irqres_err = platform_get_resource_byname(pdev, IORESOURCE_IRQ,
-+						  "i2c_err");
-+	irqres_p = platform_get_resource_byname(pdev, IORESOURCE_IRQ, "i2c_p");
-+
-+	if (!mmres || !irqres_lb || !irqres_b || !irqres_err || !irqres_p) {
-+		dev_err(&pdev->dev, "no resources\n");
-+		return -ENODEV;
-+	}
-+
-+	clk = clk_get_fpi();
-+	if (IS_ERR(clk)) {
-+		dev_err(&pdev->dev, "failed to get fpi clk\n");
-+		return -ENOENT;
-+	}
-+
-+	if (clk_get_rate(clk) != 100000000) {
-+		dev_err(&pdev->dev, "input clock is not 100MHz\n");
-+		return -ENOENT;
-+	}
-+	clk = clk_get(&pdev->dev, NULL);
-+	if (IS_ERR(clk)) {
-+		dev_err(&pdev->dev, "failed to get i2c clk\n");
-+		return -ENOENT;
-+	}
-+
-+	/* allocate private data */
-+	priv = kzalloc(sizeof(*priv), GFP_KERNEL);
-+	if (!priv) {
-+		dev_err(&pdev->dev, "can't allocate private data\n");
-+		return -ENOMEM;
-+	}
-+
-+	adap = &priv->adap;
-+	i2c_set_adapdata(adap, priv);
-+	adap->owner = THIS_MODULE;
-+	adap->class = I2C_CLASS_HWMON | I2C_CLASS_SPD;
-+	strlcpy(adap->name, DRV_NAME "-adapter", sizeof(adap->name));
-+	adap->algo = &falcon_i2c_algorithm;
-+
-+	priv->mode = FALCON_I2C_MODE_100;
-+	priv->clk = clk;
-+	priv->dev = &pdev->dev;
-+
-+	init_completion(&priv->cmd_complete);
-+	mutex_init(&priv->mutex);
-+
-+	if (ltq_gpio_request(&pdev->dev, 107, 0, 0, DRV_NAME":sda") ||
-+		ltq_gpio_request(&pdev->dev, 108, 0, 0, DRV_NAME":scl"))
-+	{
-+		dev_err(&pdev->dev, "I2C gpios not available\n");
-+		ret = -ENXIO;
-+		goto err_free_priv;
-+	}
-+
-+	ioarea = request_mem_region(mmres->start, resource_size(mmres),
-+					 pdev->name);
-+
-+	if (ioarea == NULL) {
-+		dev_err(&pdev->dev, "I2C region already claimed\n");
-+		ret = -ENXIO;
-+		goto err_free_gpio;
-+	}
-+
-+	/* map memory */
-+	priv->membase = ioremap_nocache(mmres->start & ~KSEG1,
-+		resource_size(mmres));
-+	if (priv->membase == NULL) {
-+		ret = -ENOMEM;
-+		goto err_release_region;
-+	}
-+
-+	priv->irq_lb = irqres_lb->start;
-+	ret = request_irq(priv->irq_lb, falcon_i2c_isr_burst, IRQF_DISABLED,
-+			  irqres_lb->name, priv);
-+	if (ret) {
-+		dev_err(&pdev->dev, "can't get last burst IRQ %d\n",
-+					irqres_lb->start);
-+		ret = -ENODEV;
-+		goto err_unmap_mem;
-+	}
-+
-+	priv->irq_b = irqres_b->start;
-+	ret = request_irq(priv->irq_b, falcon_i2c_isr_burst, IRQF_DISABLED,
-+			  irqres_b->name, priv);
-+	if (ret) {
-+		dev_err(&pdev->dev, "can't get burst IRQ %d\n",
-+					irqres_b->start);
-+		ret = -ENODEV;
-+		goto err_free_lb_irq;
-+	}
-+
-+	priv->irq_err = irqres_err->start;
-+	ret = request_irq(priv->irq_err, falcon_i2c_isr, IRQF_DISABLED,
-+			  irqres_err->name, priv);
-+	if (ret) {
-+		dev_err(&pdev->dev, "can't get error IRQ %d\n",
-+					irqres_err->start);
-+		ret = -ENODEV;
-+		goto err_free_b_irq;
-+	}
-+
-+	priv->irq_p = irqres_p->start;
-+	ret = request_irq(priv->irq_p, falcon_i2c_isr, IRQF_DISABLED,
-+			  irqres_p->name, priv);
-+	if (ret) {
-+		dev_err(&pdev->dev, "can't get protocol IRQ %d\n",
-+					irqres_p->start);
-+		ret = -ENODEV;
-+		goto err_free_err_irq;
-+	}
-+
-+	dev_dbg(&pdev->dev, "mapped io-space to %p\n", priv->membase);
-+	dev_dbg(&pdev->dev, "use IRQs %d, %d, %d, %d\n", irqres_lb->start,
-+	    irqres_b->start, irqres_err->start, irqres_p->start);
-+
-+	/* add our adapter to the i2c stack */
-+	ret = i2c_add_numbered_adapter(adap);
-+	if (ret) {
-+		dev_err(&pdev->dev, "can't register I2C adapter\n");
-+		goto err_free_p_irq;
-+	}
-+
-+	platform_set_drvdata(pdev, priv);
-+	i2c_set_adapdata(adap, priv);
-+
-+	/* print module version information */
-+	dev_dbg(&pdev->dev, "module id=%u revision=%u\n",
-+		(i2c_r32(id) & I2C_ID_ID_MASK) >> I2C_ID_ID_OFFSET,
-+		(i2c_r32(id) & I2C_ID_REV_MASK) >> I2C_ID_REV_OFFSET);
-+
-+	/* initialize HW */
-+	ret = falcon_i2c_hw_init(adap);
-+	if (ret) {
-+		dev_err(&pdev->dev, "can't configure adapter\n");
-+		goto err_remove_adapter;
-+	}
-+
-+	dev_info(&pdev->dev, "version %s\n", DRV_VERSION);
-+
-+	return 0;
-+
-+err_remove_adapter:
-+	i2c_del_adapter(adap);
-+	platform_set_drvdata(pdev, NULL);
-+
-+err_free_p_irq:
-+	free_irq(priv->irq_p, priv);
-+
-+err_free_err_irq:
-+	free_irq(priv->irq_err, priv);
-+
-+err_free_b_irq:
-+	free_irq(priv->irq_b, priv);
-+
-+err_free_lb_irq:
-+	free_irq(priv->irq_lb, priv);
-+
-+err_unmap_mem:
-+	iounmap(priv->membase);
-+
-+err_release_region:
-+	release_mem_region(mmres->start, resource_size(mmres));
-+
-+err_free_gpio:
-+	gpio_free(108);
-+	gpio_free(107);
-+
-+err_free_priv:
-+	kfree(priv);
-+
-+	return ret;
-+}
-+
-+static int __devexit falcon_i2c_remove(struct platform_device *pdev)
-+{
-+	struct falcon_i2c *priv = platform_get_drvdata(pdev);
-+	struct resource *mmres;
-+
-+	/* disable bus */
-+	i2c_w32_mask(I2C_RUN_CTRL_RUN_EN, 0, run_ctrl);
-+
-+	/* remove driver */
-+	platform_set_drvdata(pdev, NULL);
-+	i2c_del_adapter(&priv->adap);
-+
-+	free_irq(priv->irq_lb, priv);
-+	free_irq(priv->irq_b, priv);
-+	free_irq(priv->irq_err, priv);
-+	free_irq(priv->irq_p, priv);
-+
-+	iounmap(priv->membase);
-+
-+	gpio_free(108);
-+	gpio_free(107);
-+
-+	kfree(priv);
-+
-+	mmres = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-+	release_mem_region(mmres->start, resource_size(mmres));
-+
-+	dev_dbg(&pdev->dev, "removed\n");
-+
-+	return 0;
-+}
-+
-+static struct platform_driver falcon_i2c_driver = {
-+	.probe	= falcon_i2c_probe,
-+	.remove	= __devexit_p(falcon_i2c_remove),
-+	.driver	= {
-+		.name	= DRV_NAME,
-+		.owner	= THIS_MODULE,
-+	},
-+};
-+
-+static int __init falcon_i2c_init(void)
-+{
-+	int ret;
-+
-+	ret = platform_driver_register(&falcon_i2c_driver);
-+
-+	if (ret)
-+		pr_debug(DRV_NAME ": can't register platform driver\n");
-+
-+	return ret;
-+}
-+
-+static void __exit falcon_i2c_exit(void)
-+{
-+	platform_driver_unregister(&falcon_i2c_driver);
-+}
-+
-+module_init(falcon_i2c_init);
-+module_exit(falcon_i2c_exit);
-+
-+MODULE_DESCRIPTION("Lantiq FALC(tm) ON - I2C bus adapter");
-+MODULE_ALIAS("platform:" DRV_NAME);
-+MODULE_LICENSE("GPL");
-+MODULE_VERSION(DRV_VERSION);