Merge branch 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm

* 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm: (416 commits)
  ARM: DMA: add support for DMA debugging
  ARM: PL011: add DMA burst threshold support for ST variants
  ARM: PL011: Add support for transmit DMA
  ARM: PL011: Ensure IRQs are disabled in UART interrupt handler
  ARM: PL011: Separate hardware FIFO size from TTY FIFO size
  ARM: PL011: Allow better handling of vendor data
  ARM: PL011: Ensure error flags are clear at startup
  ARM: PL011: include revision number in boot-time port printk
  ARM: vexpress: add sched_clock() for Versatile Express
  ARM i.MX53: Make MX53 EVK bootable
  ARM i.MX53: Some bug fix about MX53 MSL code
  ARM: 6607/1: sa1100: Update platform device registration
  ARM: 6606/1: sa1100: Fix platform device registration
  ARM i.MX51: rename IPU irqs
  ARM i.MX51: Add ipu clock support
  ARM: imx/mx27_3ds: Add PMIC support
  ARM: DMA: Replace page_to_dma()/dma_to_page() with pfn_to_dma()/dma_to_pfn()
  mx51: fix usb clock support
  MX51: Add support for usb host 2
  arch/arm/plat-mxc/ehci.c: fix errors/typos
  ...

1 files changed, 0 insertions, 345 deletions

diff --git a/drivers/mfd/tc35892.c b/drivers/mfd/tc35892.c
deleted file mode 100644
index e619e2a5599..00000000000
--- a/drivers/mfd/tc35892.c
+++ /dev/null
@@ -1,345 +0,0 @@
-/*
- * Copyright (C) ST-Ericsson SA 2010
- *
- * License Terms: GNU General Public License, version 2
- * Author: Hanumath Prasad <hanumath.prasad@stericsson.com> for ST-Ericsson
- * Author: Rabin Vincent <rabin.vincent@stericsson.com> for ST-Ericsson
- */
-
-#include <linux/module.h>
-#include <linux/interrupt.h>
-#include <linux/irq.h>
-#include <linux/slab.h>
-#include <linux/i2c.h>
-#include <linux/mfd/core.h>
-#include <linux/mfd/tc35892.h>
-
-/**
- * tc35892_reg_read() - read a single TC35892 register
- * @tc35892:	Device to read from
- * @reg:	Register to read
- */
-int tc35892_reg_read(struct tc35892 *tc35892, u8 reg)
-{
-	int ret;
-
-	ret = i2c_smbus_read_byte_data(tc35892->i2c, reg);
-	if (ret < 0)
-		dev_err(tc35892->dev, "failed to read reg %#x: %d\n",
-			reg, ret);
-
-	return ret;
-}
-EXPORT_SYMBOL_GPL(tc35892_reg_read);
-
-/**
- * tc35892_reg_read() - write a single TC35892 register
- * @tc35892:	Device to write to
- * @reg:	Register to read
- * @data:	Value to write
- */
-int tc35892_reg_write(struct tc35892 *tc35892, u8 reg, u8 data)
-{
-	int ret;
-
-	ret = i2c_smbus_write_byte_data(tc35892->i2c, reg, data);
-	if (ret < 0)
-		dev_err(tc35892->dev, "failed to write reg %#x: %d\n",
-			reg, ret);
-
-	return ret;
-}
-EXPORT_SYMBOL_GPL(tc35892_reg_write);
-
-/**
- * tc35892_block_read() - read multiple TC35892 registers
- * @tc35892:	Device to read from
- * @reg:	First register
- * @length:	Number of registers
- * @values:	Buffer to write to
- */
-int tc35892_block_read(struct tc35892 *tc35892, u8 reg, u8 length, u8 *values)
-{
-	int ret;
-
-	ret = i2c_smbus_read_i2c_block_data(tc35892->i2c, reg, length, values);
-	if (ret < 0)
-		dev_err(tc35892->dev, "failed to read regs %#x: %d\n",
-			reg, ret);
-
-	return ret;
-}
-EXPORT_SYMBOL_GPL(tc35892_block_read);
-
-/**
- * tc35892_block_write() - write multiple TC35892 registers
- * @tc35892:	Device to write to
- * @reg:	First register
- * @length:	Number of registers
- * @values:	Values to write
- */
-int tc35892_block_write(struct tc35892 *tc35892, u8 reg, u8 length,
-			const u8 *values)
-{
-	int ret;
-
-	ret = i2c_smbus_write_i2c_block_data(tc35892->i2c, reg, length,
-					     values);
-	if (ret < 0)
-		dev_err(tc35892->dev, "failed to write regs %#x: %d\n",
-			reg, ret);
-
-	return ret;
-}
-EXPORT_SYMBOL_GPL(tc35892_block_write);
-
-/**
- * tc35892_set_bits() - set the value of a bitfield in a TC35892 register
- * @tc35892:	Device to write to
- * @reg:	Register to write
- * @mask:	Mask of bits to set
- * @values:	Value to set
- */
-int tc35892_set_bits(struct tc35892 *tc35892, u8 reg, u8 mask, u8 val)
-{
-	int ret;
-
-	mutex_lock(&tc35892->lock);
-
-	ret = tc35892_reg_read(tc35892, reg);
-	if (ret < 0)
-		goto out;
-
-	ret &= ~mask;
-	ret |= val;
-
-	ret = tc35892_reg_write(tc35892, reg, ret);
-
-out:
-	mutex_unlock(&tc35892->lock);
-	return ret;
-}
-EXPORT_SYMBOL_GPL(tc35892_set_bits);
-
-static struct resource gpio_resources[] = {
-	{
-		.start	= TC35892_INT_GPIIRQ,
-		.end	= TC35892_INT_GPIIRQ,
-		.flags	= IORESOURCE_IRQ,
-	},
-};
-
-static struct mfd_cell tc35892_devs[] = {
-	{
-		.name		= "tc35892-gpio",
-		.num_resources	= ARRAY_SIZE(gpio_resources),
-		.resources	= &gpio_resources[0],
-	},
-};
-
-static irqreturn_t tc35892_irq(int irq, void *data)
-{
-	struct tc35892 *tc35892 = data;
-	int status;
-
-	status = tc35892_reg_read(tc35892, TC35892_IRQST);
-	if (status < 0)
-		return IRQ_NONE;
-
-	while (status) {
-		int bit = __ffs(status);
-
-		handle_nested_irq(tc35892->irq_base + bit);
-		status &= ~(1 << bit);
-	}
-
-	/*
-	 * A dummy read or write (to any register) appears to be necessary to
-	 * have the last interrupt clear (for example, GPIO IC write) take
-	 * effect.
-	 */
-	tc35892_reg_read(tc35892, TC35892_IRQST);
-
-	return IRQ_HANDLED;
-}
-
-static void tc35892_irq_dummy(unsigned int irq)
-{
-	/* No mask/unmask at this level */
-}
-
-static struct irq_chip tc35892_irq_chip = {
-	.name	= "tc35892",
-	.mask	= tc35892_irq_dummy,
-	.unmask	= tc35892_irq_dummy,
-};
-
-static int tc35892_irq_init(struct tc35892 *tc35892)
-{
-	int base = tc35892->irq_base;
-	int irq;
-
-	for (irq = base; irq < base + TC35892_NR_INTERNAL_IRQS; irq++) {
-		set_irq_chip_data(irq, tc35892);
-		set_irq_chip_and_handler(irq, &tc35892_irq_chip,
-					 handle_edge_irq);
-		set_irq_nested_thread(irq, 1);
-#ifdef CONFIG_ARM
-		set_irq_flags(irq, IRQF_VALID);
-#else
-		set_irq_noprobe(irq);
-#endif
-	}
-
-	return 0;
-}
-
-static void tc35892_irq_remove(struct tc35892 *tc35892)
-{
-	int base = tc35892->irq_base;
-	int irq;
-
-	for (irq = base; irq < base + TC35892_NR_INTERNAL_IRQS; irq++) {
-#ifdef CONFIG_ARM
-		set_irq_flags(irq, 0);
-#endif
-		set_irq_chip_and_handler(irq, NULL, NULL);
-		set_irq_chip_data(irq, NULL);
-	}
-}
-
-static int tc35892_chip_init(struct tc35892 *tc35892)
-{
-	int manf, ver, ret;
-
-	manf = tc35892_reg_read(tc35892, TC35892_MANFCODE);
-	if (manf < 0)
-		return manf;
-
-	ver = tc35892_reg_read(tc35892, TC35892_VERSION);
-	if (ver < 0)
-		return ver;
-
-	if (manf != TC35892_MANFCODE_MAGIC) {
-		dev_err(tc35892->dev, "unknown manufacturer: %#x\n", manf);
-		return -EINVAL;
-	}
-
-	dev_info(tc35892->dev, "manufacturer: %#x, version: %#x\n", manf, ver);
-
-	/* Put everything except the IRQ module into reset */
-	ret = tc35892_reg_write(tc35892, TC35892_RSTCTRL,
-				TC35892_RSTCTRL_TIMRST
-				| TC35892_RSTCTRL_ROTRST
-				| TC35892_RSTCTRL_KBDRST
-				| TC35892_RSTCTRL_GPIRST);
-	if (ret < 0)
-		return ret;
-
-	/* Clear the reset interrupt. */
-	return tc35892_reg_write(tc35892, TC35892_RSTINTCLR, 0x1);
-}
-
-static int __devinit tc35892_probe(struct i2c_client *i2c,
-				   const struct i2c_device_id *id)
-{
-	struct tc35892_platform_data *pdata = i2c->dev.platform_data;
-	struct tc35892 *tc35892;
-	int ret;
-
-	if (!i2c_check_functionality(i2c->adapter, I2C_FUNC_SMBUS_BYTE_DATA
-				     | I2C_FUNC_SMBUS_I2C_BLOCK))
-		return -EIO;
-
-	tc35892 = kzalloc(sizeof(struct tc35892), GFP_KERNEL);
-	if (!tc35892)
-		return -ENOMEM;
-
-	mutex_init(&tc35892->lock);
-
-	tc35892->dev = &i2c->dev;
-	tc35892->i2c = i2c;
-	tc35892->pdata = pdata;
-	tc35892->irq_base = pdata->irq_base;
-	tc35892->num_gpio = id->driver_data;
-
-	i2c_set_clientdata(i2c, tc35892);
-
-	ret = tc35892_chip_init(tc35892);
-	if (ret)
-		goto out_free;
-
-	ret = tc35892_irq_init(tc35892);
-	if (ret)
-		goto out_free;
-
-	ret = request_threaded_irq(tc35892->i2c->irq, NULL, tc35892_irq,
-				   IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
-				   "tc35892", tc35892);
-	if (ret) {
-		dev_err(tc35892->dev, "failed to request IRQ: %d\n", ret);
-		goto out_removeirq;
-	}
-
-	ret = mfd_add_devices(tc35892->dev, -1, tc35892_devs,
-			      ARRAY_SIZE(tc35892_devs), NULL,
-			      tc35892->irq_base);
-	if (ret) {
-		dev_err(tc35892->dev, "failed to add children\n");
-		goto out_freeirq;
-	}
-
-	return 0;
-
-out_freeirq:
-	free_irq(tc35892->i2c->irq, tc35892);
-out_removeirq:
-	tc35892_irq_remove(tc35892);
-out_free:
-	kfree(tc35892);
-	return ret;
-}
-
-static int __devexit tc35892_remove(struct i2c_client *client)
-{
-	struct tc35892 *tc35892 = i2c_get_clientdata(client);
-
-	mfd_remove_devices(tc35892->dev);
-
-	free_irq(tc35892->i2c->irq, tc35892);
-	tc35892_irq_remove(tc35892);
-
-	kfree(tc35892);
-
-	return 0;
-}
-
-static const struct i2c_device_id tc35892_id[] = {
-	{ "tc35892", 24 },
-	{ }
-};
-MODULE_DEVICE_TABLE(i2c, tc35892_id);
-
-static struct i2c_driver tc35892_driver = {
-	.driver.name	= "tc35892",
-	.driver.owner	= THIS_MODULE,
-	.probe		= tc35892_probe,
-	.remove		= __devexit_p(tc35892_remove),
-	.id_table	= tc35892_id,
-};
-
-static int __init tc35892_init(void)
-{
-	return i2c_add_driver(&tc35892_driver);
-}
-subsys_initcall(tc35892_init);
-
-static void __exit tc35892_exit(void)
-{
-	i2c_del_driver(&tc35892_driver);
-}
-module_exit(tc35892_exit);
-
-MODULE_LICENSE("GPL v2");
-MODULE_DESCRIPTION("TC35892 MFD core driver");
-MODULE_AUTHOR("Hanumath Prasad, Rabin Vincent");