David Brownell marked this driver as broken in kernel 2.6.24 due to
hardware problems.
If it depends on BROKEN it can as well be removed.
Signed-off-by: Adrian Bunk <[EMAIL PROTECTED]>
---
arch/arm/mach-at91/at91cap9_devices.c | 34 --
arch/arm/mach-at91/at91rm9200_devices.c | 34 --
arch/arm/mach-at91/at91sam9260_devices.c | 34 --
arch/arm/mach-at91/at91sam9261_devices.c | 34 --
arch/arm/mach-at91/at91sam9263_devices.c | 34 --
arch/arm/mach-at91/at91sam9rl_devices.c | 34 --
drivers/i2c/busses/Kconfig | 15 -
drivers/i2c/busses/Makefile | 1
drivers/i2c/busses/i2c-at91.c | 328 -----------------------
9 files changed, 548 deletions(-)
diff --git a/arch/arm/mach-at91/at91cap9_devices.c
b/arch/arm/mach-at91/at91cap9_devices.c
index abb4aac..7b9ab24 100644
--- a/arch/arm/mach-at91/at91cap9_devices.c
+++ b/arch/arm/mach-at91/at91cap9_devices.c
@@ -486,40 +486,6 @@ void __init at91_add_device_i2c(struct i2c_board_info
*devices, int nr_devices)
platform_device_register(&at91cap9_twi_device);
}
-#elif defined(CONFIG_I2C_AT91) || defined(CONFIG_I2C_AT91_MODULE)
-
-static struct resource twi_resources[] = {
- [0] = {
- .start = AT91CAP9_BASE_TWI,
- .end = AT91CAP9_BASE_TWI + SZ_16K - 1,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = AT91CAP9_ID_TWI,
- .end = AT91CAP9_ID_TWI,
- .flags = IORESOURCE_IRQ,
- },
-};
-
-static struct platform_device at91cap9_twi_device = {
- .name = "at91_i2c",
- .id = -1,
- .resource = twi_resources,
- .num_resources = ARRAY_SIZE(twi_resources),
-};
-
-void __init at91_add_device_i2c(struct i2c_board_info *devices, int nr_devices)
-{
- /* pins used for TWI interface */
- at91_set_B_periph(AT91_PIN_PB4, 0); /* TWD */
- at91_set_multi_drive(AT91_PIN_PB4, 1);
-
- at91_set_B_periph(AT91_PIN_PB5, 0); /* TWCK */
- at91_set_multi_drive(AT91_PIN_PB5, 1);
-
- i2c_register_board_info(0, devices, nr_devices);
- platform_device_register(&at91cap9_twi_device);
-}
#else
void __init at91_add_device_i2c(struct i2c_board_info *devices, int
nr_devices) {}
#endif
diff --git a/arch/arm/mach-at91/at91rm9200_devices.c
b/arch/arm/mach-at91/at91rm9200_devices.c
index 9338825..d500dea 100644
--- a/arch/arm/mach-at91/at91rm9200_devices.c
+++ b/arch/arm/mach-at91/at91rm9200_devices.c
@@ -470,40 +470,6 @@ void __init at91_add_device_i2c(struct i2c_board_info
*devices, int nr_devices)
platform_device_register(&at91rm9200_twi_device);
}
-#elif defined(CONFIG_I2C_AT91) || defined(CONFIG_I2C_AT91_MODULE)
-
-static struct resource twi_resources[] = {
- [0] = {
- .start = AT91RM9200_BASE_TWI,
- .end = AT91RM9200_BASE_TWI + SZ_16K - 1,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = AT91RM9200_ID_TWI,
- .end = AT91RM9200_ID_TWI,
- .flags = IORESOURCE_IRQ,
- },
-};
-
-static struct platform_device at91rm9200_twi_device = {
- .name = "at91_i2c",
- .id = -1,
- .resource = twi_resources,
- .num_resources = ARRAY_SIZE(twi_resources),
-};
-
-void __init at91_add_device_i2c(struct i2c_board_info *devices, int nr_devices)
-{
- /* pins used for TWI interface */
- at91_set_A_periph(AT91_PIN_PA25, 0); /* TWD */
- at91_set_multi_drive(AT91_PIN_PA25, 1);
-
- at91_set_A_periph(AT91_PIN_PA26, 0); /* TWCK */
- at91_set_multi_drive(AT91_PIN_PA26, 1);
-
- i2c_register_board_info(0, devices, nr_devices);
- platform_device_register(&at91rm9200_twi_device);
-}
#else
void __init at91_add_device_i2c(struct i2c_board_info *devices, int
nr_devices) {}
#endif
diff --git a/arch/arm/mach-at91/at91sam9260_devices.c
b/arch/arm/mach-at91/at91sam9260_devices.c
index 7774d17..8aa8d1a 100644
--- a/arch/arm/mach-at91/at91sam9260_devices.c
+++ b/arch/arm/mach-at91/at91sam9260_devices.c
@@ -415,40 +415,6 @@ void __init at91_add_device_i2c(struct i2c_board_info
*devices, int nr_devices)
platform_device_register(&at91sam9260_twi_device);
}
-#elif defined(CONFIG_I2C_AT91) || defined(CONFIG_I2C_AT91_MODULE)
-
-static struct resource twi_resources[] = {
- [0] = {
- .start = AT91SAM9260_BASE_TWI,
- .end = AT91SAM9260_BASE_TWI + SZ_16K - 1,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = AT91SAM9260_ID_TWI,
- .end = AT91SAM9260_ID_TWI,
- .flags = IORESOURCE_IRQ,
- },
-};
-
-static struct platform_device at91sam9260_twi_device = {
- .name = "at91_i2c",
- .id = -1,
- .resource = twi_resources,
- .num_resources = ARRAY_SIZE(twi_resources),
-};
-
-void __init at91_add_device_i2c(struct i2c_board_info *devices, int nr_devices)
-{
- /* pins used for TWI interface */
- at91_set_A_periph(AT91_PIN_PA23, 0); /* TWD */
- at91_set_multi_drive(AT91_PIN_PA23, 1);
-
- at91_set_A_periph(AT91_PIN_PA24, 0); /* TWCK */
- at91_set_multi_drive(AT91_PIN_PA24, 1);
-
- i2c_register_board_info(0, devices, nr_devices);
- platform_device_register(&at91sam9260_twi_device);
-}
#else
void __init at91_add_device_i2c(struct i2c_board_info *devices, int
nr_devices) {}
#endif
diff --git a/arch/arm/mach-at91/at91sam9261_devices.c
b/arch/arm/mach-at91/at91sam9261_devices.c
index 6b89172..1d5d44f 100644
--- a/arch/arm/mach-at91/at91sam9261_devices.c
+++ b/arch/arm/mach-at91/at91sam9261_devices.c
@@ -307,40 +307,6 @@ void __init at91_add_device_i2c(struct i2c_board_info
*devices, int nr_devices)
platform_device_register(&at91sam9261_twi_device);
}
-#elif defined(CONFIG_I2C_AT91) || defined(CONFIG_I2C_AT91_MODULE)
-
-static struct resource twi_resources[] = {
- [0] = {
- .start = AT91SAM9261_BASE_TWI,
- .end = AT91SAM9261_BASE_TWI + SZ_16K - 1,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = AT91SAM9261_ID_TWI,
- .end = AT91SAM9261_ID_TWI,
- .flags = IORESOURCE_IRQ,
- },
-};
-
-static struct platform_device at91sam9261_twi_device = {
- .name = "at91_i2c",
- .id = -1,
- .resource = twi_resources,
- .num_resources = ARRAY_SIZE(twi_resources),
-};
-
-void __init at91_add_device_i2c(struct i2c_board_info *devices, int nr_devices)
-{
- /* pins used for TWI interface */
- at91_set_A_periph(AT91_PIN_PA7, 0); /* TWD */
- at91_set_multi_drive(AT91_PIN_PA7, 1);
-
- at91_set_A_periph(AT91_PIN_PA8, 0); /* TWCK */
- at91_set_multi_drive(AT91_PIN_PA8, 1);
-
- i2c_register_board_info(0, devices, nr_devices);
- platform_device_register(&at91sam9261_twi_device);
-}
#else
void __init at91_add_device_i2c(struct i2c_board_info *devices, int
nr_devices) {}
#endif
diff --git a/arch/arm/mach-at91/at91sam9263_devices.c
b/arch/arm/mach-at91/at91sam9263_devices.c
index c93992f..a2a9e3d 100644
--- a/arch/arm/mach-at91/at91sam9263_devices.c
+++ b/arch/arm/mach-at91/at91sam9263_devices.c
@@ -462,40 +462,6 @@ void __init at91_add_device_i2c(struct i2c_board_info
*devices, int nr_devices)
platform_device_register(&at91sam9263_twi_device);
}
-#elif defined(CONFIG_I2C_AT91) || defined(CONFIG_I2C_AT91_MODULE)
-
-static struct resource twi_resources[] = {
- [0] = {
- .start = AT91SAM9263_BASE_TWI,
- .end = AT91SAM9263_BASE_TWI + SZ_16K - 1,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = AT91SAM9263_ID_TWI,
- .end = AT91SAM9263_ID_TWI,
- .flags = IORESOURCE_IRQ,
- },
-};
-
-static struct platform_device at91sam9263_twi_device = {
- .name = "at91_i2c",
- .id = -1,
- .resource = twi_resources,
- .num_resources = ARRAY_SIZE(twi_resources),
-};
-
-void __init at91_add_device_i2c(struct i2c_board_info *devices, int nr_devices)
-{
- /* pins used for TWI interface */
- at91_set_A_periph(AT91_PIN_PB4, 0); /* TWD */
- at91_set_multi_drive(AT91_PIN_PB4, 1);
-
- at91_set_A_periph(AT91_PIN_PB5, 0); /* TWCK */
- at91_set_multi_drive(AT91_PIN_PB5, 1);
-
- i2c_register_board_info(0, devices, nr_devices);
- platform_device_register(&at91sam9263_twi_device);
-}
#else
void __init at91_add_device_i2c(struct i2c_board_info *devices, int
nr_devices) {}
#endif
diff --git a/arch/arm/mach-at91/at91sam9rl_devices.c
b/arch/arm/mach-at91/at91sam9rl_devices.c
index 6208863..c9a36c0 100644
--- a/arch/arm/mach-at91/at91sam9rl_devices.c
+++ b/arch/arm/mach-at91/at91sam9rl_devices.c
@@ -304,40 +304,6 @@ void __init at91_add_device_i2c(struct i2c_board_info
*devices, int nr_devices)
platform_device_register(&at91sam9rl_twi_device);
}
-#elif defined(CONFIG_I2C_AT91) || defined(CONFIG_I2C_AT91_MODULE)
-
-static struct resource twi_resources[] = {
- [0] = {
- .start = AT91SAM9RL_BASE_TWI0,
- .end = AT91SAM9RL_BASE_TWI0 + SZ_16K - 1,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = AT91SAM9RL_ID_TWI0,
- .end = AT91SAM9RL_ID_TWI0,
- .flags = IORESOURCE_IRQ,
- },
-};
-
-static struct platform_device at91sam9rl_twi_device = {
- .name = "at91_i2c",
- .id = -1,
- .resource = twi_resources,
- .num_resources = ARRAY_SIZE(twi_resources),
-};
-
-void __init at91_add_device_i2c(struct i2c_board_info *devices, int nr_devices)
-{
- /* pins used for TWI interface */
- at91_set_A_periph(AT91_PIN_PA23, 0); /* TWD */
- at91_set_multi_drive(AT91_PIN_PA23, 1);
-
- at91_set_A_periph(AT91_PIN_PA24, 0); /* TWCK */
- at91_set_multi_drive(AT91_PIN_PA24, 1);
-
- i2c_register_board_info(0, devices, nr_devices);
- platform_device_register(&at91sam9rl_twi_device);
-}
#else
void __init at91_add_device_i2c(struct i2c_board_info *devices, int
nr_devices) {}
#endif
diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig
index 6ee997b..fb4cd11 100644
--- a/drivers/i2c/busses/Kconfig
+++ b/drivers/i2c/busses/Kconfig
@@ -256,21 +256,6 @@ config I2C_POWERMAC
comment "I2C system bus drivers (mostly embedded / system-on-chip)"
-config I2C_AT91
- tristate "Atmel AT91 I2C Two-Wire interface (TWI)"
- depends on ARCH_AT91 && EXPERIMENTAL && BROKEN
- help
- This supports the use of the I2C interface on Atmel AT91
- processors.
-
- This driver is BROKEN because the controller which it uses
- will easily trigger RX overrun and TX underrun errors. Using
- low I2C clock rates may partially work around those issues
- on some systems. Another serious problem is that there is no
- documented way to issue repeated START conditions, as needed
- to support combined I2C messages. Use the i2c-gpio driver
- unless your system can cope with those limitations.
-
config I2C_AU1550
tristate "Au1550/Au1200 SMBus interface"
depends on SOC_AU1550 || SOC_AU1200
diff --git a/drivers/i2c/busses/Makefile b/drivers/i2c/busses/Makefile
index 97dbfa2..69edefd 100644
--- a/drivers/i2c/busses/Makefile
+++ b/drivers/i2c/busses/Makefile
@@ -25,7 +25,6 @@ obj-$(CONFIG_I2C_HYDRA) += i2c-hydra.o
obj-$(CONFIG_I2C_POWERMAC) += i2c-powermac.o
# Embebbed system I2C/SMBus host controller drivers
-obj-$(CONFIG_I2C_AT91) += i2c-at91.o
obj-$(CONFIG_I2C_AU1550) += i2c-au1550.o
obj-$(CONFIG_I2C_BLACKFIN_TWI) += i2c-bfin-twi.o
obj-$(CONFIG_I2C_CPM) += i2c-cpm.o
diff --git a/drivers/i2c/busses/i2c-at91.c b/drivers/i2c/busses/i2c-at91.c
deleted file mode 100644
index 9efb021..0000000
--- a/drivers/i2c/busses/i2c-at91.c
+++ /dev/null
@@ -1,328 +0,0 @@
-/*
- i2c Support for Atmel's AT91 Two-Wire Interface (TWI)
-
- Copyright (C) 2004 Rick Bronson
- Converted to 2.6 by Andrew Victor <[EMAIL PROTECTED]>
-
- Borrowed heavily from original work by:
- Copyright (C) 2000 Philip Edelbrock <[EMAIL PROTECTED]>
-
- 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.
-*/
-
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/err.h>
-#include <linux/slab.h>
-#include <linux/types.h>
-#include <linux/delay.h>
-#include <linux/i2c.h>
-#include <linux/init.h>
-#include <linux/clk.h>
-#include <linux/platform_device.h>
-
-#include <asm/io.h>
-
-#include <mach/at91_twi.h>
-#include <mach/board.h>
-#include <mach/cpu.h>
-
-#define TWI_CLOCK 100000 /* Hz. max 400 Kbits/sec */
-
-
-static struct clk *twi_clk;
-static void __iomem *twi_base;
-
-#define at91_twi_read(reg) __raw_readl(twi_base + (reg))
-#define at91_twi_write(reg, val) __raw_writel((val), twi_base + (reg))
-
-
-/*
- * Initialize the TWI hardware registers.
- */
-static void __devinit at91_twi_hwinit(void)
-{
- unsigned long cdiv, ckdiv;
-
- at91_twi_write(AT91_TWI_IDR, 0xffffffff); /* Disable all
interrupts */
- at91_twi_write(AT91_TWI_CR, AT91_TWI_SWRST); /* Reset peripheral */
- at91_twi_write(AT91_TWI_CR, AT91_TWI_MSEN); /* Set Master mode */
-
- /* Calcuate clock dividers */
- cdiv = (clk_get_rate(twi_clk) / (2 * TWI_CLOCK)) - 3;
- cdiv = cdiv + 1; /* round up */
- ckdiv = 0;
- while (cdiv > 255) {
- ckdiv++;
- cdiv = cdiv >> 1;
- }
-
- if (cpu_is_at91rm9200()) { /* AT91RM9200 Errata
#22 */
- if (ckdiv > 5) {
- printk(KERN_ERR "AT91 I2C: Invalid TWI_CLOCK value!\n");
- ckdiv = 5;
- }
- }
-
- at91_twi_write(AT91_TWI_CWGR, (ckdiv << 16) | (cdiv << 8) | cdiv);
-}
-
-/*
- * Poll the i2c status register until the specified bit is set.
- * Returns 0 if timed out (100 msec).
- */
-static short at91_poll_status(unsigned long bit)
-{
- int loop_cntr = 10000;
-
- do {
- udelay(10);
- } while (!(at91_twi_read(AT91_TWI_SR) & bit) && (--loop_cntr > 0));
-
- return (loop_cntr > 0);
-}
-
-static int xfer_read(struct i2c_adapter *adap, unsigned char *buf, int length)
-{
- /* Send Start */
- at91_twi_write(AT91_TWI_CR, AT91_TWI_START);
-
- /* Read data */
- while (length--) {
- if (!length) /* need to send Stop before reading last byte */
- at91_twi_write(AT91_TWI_CR, AT91_TWI_STOP);
- if (!at91_poll_status(AT91_TWI_RXRDY)) {
- dev_dbg(&adap->dev, "RXRDY timeout\n");
- return -ETIMEDOUT;
- }
- *buf++ = (at91_twi_read(AT91_TWI_RHR) & 0xff);
- }
-
- return 0;
-}
-
-static int xfer_write(struct i2c_adapter *adap, unsigned char *buf, int length)
-{
- /* Load first byte into transmitter */
- at91_twi_write(AT91_TWI_THR, *buf++);
-
- /* Send Start */
- at91_twi_write(AT91_TWI_CR, AT91_TWI_START);
-
- do {
- if (!at91_poll_status(AT91_TWI_TXRDY)) {
- dev_dbg(&adap->dev, "TXRDY timeout\n");
- return -ETIMEDOUT;
- }
-
- length--; /* byte was transmitted */
-
- if (length > 0) /* more data to send? */
- at91_twi_write(AT91_TWI_THR, *buf++);
- } while (length);
-
- /* Send Stop */
- at91_twi_write(AT91_TWI_CR, AT91_TWI_STOP);
-
- return 0;
-}
-
-/*
- * Generic i2c master transfer entrypoint.
- *
- * Note: We do not use Atmel's feature of storing the "internal device
address".
- * Instead the "internal device address" has to be written using a separate
- * i2c message.
- *
http://lists.arm.linux.org.uk/pipermail/linux-arm-kernel/2004-September/024411.html
- */
-static int at91_xfer(struct i2c_adapter *adap, struct i2c_msg *pmsg, int num)
-{
- int i, ret;
-
- dev_dbg(&adap->dev, "at91_xfer: processing %d messages:\n", num);
-
- for (i = 0; i < num; i++) {
- dev_dbg(&adap->dev, " #%d: %sing %d byte%s %s 0x%02x\n", i,
- pmsg->flags & I2C_M_RD ? "read" : "writ",
- pmsg->len, pmsg->len > 1 ? "s" : "",
- pmsg->flags & I2C_M_RD ? "from" : "to", pmsg->addr);
-
- at91_twi_write(AT91_TWI_MMR, (pmsg->addr << 16)
- | ((pmsg->flags & I2C_M_RD) ? AT91_TWI_MREAD : 0));
-
- if (pmsg->len && pmsg->buf) { /* sanity check */
- if (pmsg->flags & I2C_M_RD)
- ret = xfer_read(adap, pmsg->buf, pmsg->len);
- else
- ret = xfer_write(adap, pmsg->buf, pmsg->len);
-
- if (ret)
- return ret;
-
- /* Wait until transfer is finished */
- if (!at91_poll_status(AT91_TWI_TXCOMP)) {
- dev_dbg(&adap->dev, "TXCOMP timeout\n");
- return -ETIMEDOUT;
- }
- }
- dev_dbg(&adap->dev, "transfer complete\n");
- pmsg++; /* next message */
- }
- return i;
-}
-
-/*
- * Return list of supported functionality.
- */
-static u32 at91_func(struct i2c_adapter *adapter)
-{
- return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL;
-}
-
-static struct i2c_algorithm at91_algorithm = {
- .master_xfer = at91_xfer,
- .functionality = at91_func,
-};
-
-/*
- * Main initialization routine.
- */
-static int __devinit at91_i2c_probe(struct platform_device *pdev)
-{
- struct i2c_adapter *adapter;
- struct resource *res;
- int rc;
-
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (!res)
- return -ENXIO;
-
- if (!request_mem_region(res->start, res->end - res->start + 1,
"at91_i2c"))
- return -EBUSY;
-
- twi_base = ioremap(res->start, res->end - res->start + 1);
- if (!twi_base) {
- rc = -ENOMEM;
- goto fail0;
- }
-
- twi_clk = clk_get(NULL, "twi_clk");
- if (IS_ERR(twi_clk)) {
- dev_err(&pdev->dev, "no clock defined\n");
- rc = -ENODEV;
- goto fail1;
- }
-
- adapter = kzalloc(sizeof(struct i2c_adapter), GFP_KERNEL);
- if (adapter == NULL) {
- dev_err(&pdev->dev, "can't allocate inteface!\n");
- rc = -ENOMEM;
- goto fail2;
- }
- sprintf(adapter->name, "AT91");
- adapter->algo = &at91_algorithm;
- adapter->class = I2C_CLASS_HWMON;
- adapter->dev.parent = &pdev->dev;
- /* adapter->id == 0 ... only one TWI controller for now */
-
- platform_set_drvdata(pdev, adapter);
-
- clk_enable(twi_clk); /* enable peripheral clock */
- at91_twi_hwinit(); /* initialize TWI controller */
-
- rc = i2c_add_numbered_adapter(adapter);
- if (rc) {
- dev_err(&pdev->dev, "Adapter %s registration failed\n",
- adapter->name);
- goto fail3;
- }
-
- dev_info(&pdev->dev, "AT91 i2c bus driver.\n");
- return 0;
-
-fail3:
- platform_set_drvdata(pdev, NULL);
- kfree(adapter);
- clk_disable(twi_clk);
-fail2:
- clk_put(twi_clk);
-fail1:
- iounmap(twi_base);
-fail0:
- release_mem_region(res->start, res->end - res->start + 1);
-
- return rc;
-}
-
-static int __devexit at91_i2c_remove(struct platform_device *pdev)
-{
- struct i2c_adapter *adapter = platform_get_drvdata(pdev);
- struct resource *res;
- int rc;
-
- rc = i2c_del_adapter(adapter);
- platform_set_drvdata(pdev, NULL);
-
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- iounmap(twi_base);
- release_mem_region(res->start, res->end - res->start + 1);
-
- clk_disable(twi_clk); /* disable peripheral clock */
- clk_put(twi_clk);
-
- return rc;
-}
-
-#ifdef CONFIG_PM
-
-/* NOTE: could save a few mA by keeping clock off outside of at91_xfer... */
-
-static int at91_i2c_suspend(struct platform_device *pdev, pm_message_t mesg)
-{
- clk_disable(twi_clk);
- return 0;
-}
-
-static int at91_i2c_resume(struct platform_device *pdev)
-{
- return clk_enable(twi_clk);
-}
-
-#else
-#define at91_i2c_suspend NULL
-#define at91_i2c_resume NULL
-#endif
-
-/* work with "modprobe at91_i2c" from hotplugging or coldplugging */
-MODULE_ALIAS("platform:at91_i2c");
-
-static struct platform_driver at91_i2c_driver = {
- .probe = at91_i2c_probe,
- .remove = __devexit_p(at91_i2c_remove),
- .suspend = at91_i2c_suspend,
- .resume = at91_i2c_resume,
- .driver = {
- .name = "at91_i2c",
- .owner = THIS_MODULE,
- },
-};
-
-static int __init at91_i2c_init(void)
-{
- return platform_driver_register(&at91_i2c_driver);
-}
-
-static void __exit at91_i2c_exit(void)
-{
- platform_driver_unregister(&at91_i2c_driver);
-}
-
-module_init(at91_i2c_init);
-module_exit(at91_i2c_exit);
-
-MODULE_AUTHOR("Rick Bronson");
-MODULE_DESCRIPTION("I2C (TWI) driver for Atmel AT91");
-MODULE_LICENSE("GPL");
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