#include <linux/init.h>
#include <linux/errno.h>
#include <linux/interrupt.h>
+#include <linux/irq.h>
#include <linux/device.h>
#include <linux/mutex.h>
#include <linux/mfd/ucb1x00.h>
+#include <linux/pm.h>
#include <linux/gpio.h>
-#include <linux/semaphore.h>
-
-#include <mach/dma.h>
-#include <mach/hardware.h>
static DEFINE_MUTEX(ucb1x00_mutex);
static LIST_HEAD(ucb1x00_drivers);
* ucb1x00_enable must have been called to enable the comms
* before using this function.
*
- * This function does not take any semaphores or spinlocks.
+ * This function does not take any mutexes or spinlocks.
*/
unsigned int ucb1x00_io_read(struct ucb1x00 *ucb)
{
else
ucb->io_out &= ~(1 << offset);
+ ucb1x00_enable(ucb);
ucb1x00_reg_write(ucb, UCB_IO_DATA, ucb->io_out);
+ ucb1x00_disable(ucb);
spin_unlock_irqrestore(&ucb->io_lock, flags);
}
static int ucb1x00_gpio_get(struct gpio_chip *chip, unsigned offset)
{
struct ucb1x00 *ucb = container_of(chip, struct ucb1x00, gpio);
- return ucb1x00_reg_read(ucb, UCB_IO_DATA) & (1 << offset);
+ unsigned val;
+
+ ucb1x00_enable(ucb);
+ val = ucb1x00_reg_read(ucb, UCB_IO_DATA);
+ ucb1x00_disable(ucb);
+
+ return val & (1 << offset);
}
static int ucb1x00_gpio_direction_input(struct gpio_chip *chip, unsigned offset)
spin_lock_irqsave(&ucb->io_lock, flags);
ucb->io_dir &= ~(1 << offset);
+ ucb1x00_enable(ucb);
ucb1x00_reg_write(ucb, UCB_IO_DIR, ucb->io_dir);
+ ucb1x00_disable(ucb);
spin_unlock_irqrestore(&ucb->io_lock, flags);
return 0;
else
ucb->io_out &= ~mask;
+ ucb1x00_enable(ucb);
if (old != ucb->io_out)
ucb1x00_reg_write(ucb, UCB_IO_DATA, ucb->io_out);
ucb->io_dir |= mask;
ucb1x00_reg_write(ucb, UCB_IO_DIR, ucb->io_dir);
}
+ ucb1x00_disable(ucb);
spin_unlock_irqrestore(&ucb->io_lock, flags);
return 0;
}
+static int ucb1x00_to_irq(struct gpio_chip *chip, unsigned offset)
+{
+ struct ucb1x00 *ucb = container_of(chip, struct ucb1x00, gpio);
+
+ return ucb->irq_base > 0 ? ucb->irq_base + offset : -ENXIO;
+}
+
/*
* UCB1300 data sheet says we must:
* 1. enable ADC => 5us (including reference startup time)
* Any code wishing to use the ADC converter must call this
* function prior to using it.
*
- * This function takes the ADC semaphore to prevent two or more
+ * This function takes the ADC mutex to prevent two or more
* concurrent uses, and therefore may sleep. As a result, it
* can only be called from process context, not interrupt
* context.
*/
void ucb1x00_adc_enable(struct ucb1x00 *ucb)
{
- down(&ucb->adc_sem);
+ mutex_lock(&ucb->adc_mutex);
ucb->adc_cr |= UCB_ADC_ENA;
* complete (2 frames max without sync).
*
* If called for a synchronised ADC conversion, it may sleep
- * with the ADC semaphore held.
+ * with the ADC mutex held.
*/
unsigned int ucb1x00_adc_read(struct ucb1x00 *ucb, int adc_channel, int sync)
{
* ucb1x00_adc_disable - disable the ADC converter
* @ucb: UCB1x00 structure describing chip
*
- * Disable the ADC converter and release the ADC semaphore.
+ * Disable the ADC converter and release the ADC mutex.
*/
void ucb1x00_adc_disable(struct ucb1x00 *ucb)
{
ucb1x00_reg_write(ucb, UCB_ADC_CR, ucb->adc_cr);
ucb1x00_disable(ucb);
- up(&ucb->adc_sem);
+ mutex_unlock(&ucb->adc_mutex);
}
/*
* SIBCLK to talk to the chip. We leave the clock running until
* we have finished processing all interrupts from the chip.
*/
-static irqreturn_t ucb1x00_irq(int irqnr, void *devid)
+static void ucb1x00_irq(unsigned int irq, struct irq_desc *desc)
{
- struct ucb1x00 *ucb = devid;
- struct ucb1x00_irq *irq;
+ struct ucb1x00 *ucb = irq_desc_get_handler_data(desc);
unsigned int isr, i;
ucb1x00_enable(ucb);
ucb1x00_reg_write(ucb, UCB_IE_CLEAR, isr);
ucb1x00_reg_write(ucb, UCB_IE_CLEAR, 0);
- for (i = 0, irq = ucb->irq_handler; i < 16 && isr; i++, isr >>= 1, irq++)
- if (isr & 1 && irq->fn)
- irq->fn(i, irq->devid);
+ for (i = 0; i < 16 && isr; i++, isr >>= 1, irq++)
+ if (isr & 1)
+ generic_handle_irq(ucb->irq_base + i);
ucb1x00_disable(ucb);
-
- return IRQ_HANDLED;
}
-/**
- * ucb1x00_hook_irq - hook a UCB1x00 interrupt
- * @ucb: UCB1x00 structure describing chip
- * @idx: interrupt index
- * @fn: function to call when interrupt is triggered
- * @devid: device id to pass to interrupt handler
- *
- * Hook the specified interrupt. You can only register one handler
- * for each interrupt source. The interrupt source is not enabled
- * by this function; use ucb1x00_enable_irq instead.
- *
- * Interrupt handlers will be called with other interrupts enabled.
- *
- * Returns zero on success, or one of the following errors:
- * -EINVAL if the interrupt index is invalid
- * -EBUSY if the interrupt has already been hooked
- */
-int ucb1x00_hook_irq(struct ucb1x00 *ucb, unsigned int idx, void (*fn)(int, void *), void *devid)
+static void ucb1x00_irq_update(struct ucb1x00 *ucb, unsigned mask)
{
- struct ucb1x00_irq *irq;
- int ret = -EINVAL;
-
- if (idx < 16) {
- irq = ucb->irq_handler + idx;
- ret = -EBUSY;
-
- spin_lock_irq(&ucb->lock);
- if (irq->fn == NULL) {
- irq->devid = devid;
- irq->fn = fn;
- ret = 0;
- }
- spin_unlock_irq(&ucb->lock);
- }
- return ret;
+ ucb1x00_enable(ucb);
+ if (ucb->irq_ris_enbl & mask)
+ ucb1x00_reg_write(ucb, UCB_IE_RIS, ucb->irq_ris_enbl &
+ ucb->irq_mask);
+ if (ucb->irq_fal_enbl & mask)
+ ucb1x00_reg_write(ucb, UCB_IE_FAL, ucb->irq_fal_enbl &
+ ucb->irq_mask);
+ ucb1x00_disable(ucb);
}
-/**
- * ucb1x00_enable_irq - enable an UCB1x00 interrupt source
- * @ucb: UCB1x00 structure describing chip
- * @idx: interrupt index
- * @edges: interrupt edges to enable
- *
- * Enable the specified interrupt to trigger on %UCB_RISING,
- * %UCB_FALLING or both edges. The interrupt should have been
- * hooked by ucb1x00_hook_irq.
- */
-void ucb1x00_enable_irq(struct ucb1x00 *ucb, unsigned int idx, int edges)
+static void ucb1x00_irq_noop(struct irq_data *data)
{
- unsigned long flags;
+}
- if (idx < 16) {
- spin_lock_irqsave(&ucb->lock, flags);
+static void ucb1x00_irq_mask(struct irq_data *data)
+{
+ struct ucb1x00 *ucb = irq_data_get_irq_chip_data(data);
+ unsigned mask = 1 << (data->irq - ucb->irq_base);
- ucb1x00_enable(ucb);
- if (edges & UCB_RISING) {
- ucb->irq_ris_enbl |= 1 << idx;
- ucb1x00_reg_write(ucb, UCB_IE_RIS, ucb->irq_ris_enbl);
- }
- if (edges & UCB_FALLING) {
- ucb->irq_fal_enbl |= 1 << idx;
- ucb1x00_reg_write(ucb, UCB_IE_FAL, ucb->irq_fal_enbl);
- }
- ucb1x00_disable(ucb);
- spin_unlock_irqrestore(&ucb->lock, flags);
- }
+ raw_spin_lock(&ucb->irq_lock);
+ ucb->irq_mask &= ~mask;
+ ucb1x00_irq_update(ucb, mask);
+ raw_spin_unlock(&ucb->irq_lock);
}
-/**
- * ucb1x00_disable_irq - disable an UCB1x00 interrupt source
- * @ucb: UCB1x00 structure describing chip
- * @edges: interrupt edges to disable
- *
- * Disable the specified interrupt triggering on the specified
- * (%UCB_RISING, %UCB_FALLING or both) edges.
- */
-void ucb1x00_disable_irq(struct ucb1x00 *ucb, unsigned int idx, int edges)
+static void ucb1x00_irq_unmask(struct irq_data *data)
{
- unsigned long flags;
+ struct ucb1x00 *ucb = irq_data_get_irq_chip_data(data);
+ unsigned mask = 1 << (data->irq - ucb->irq_base);
- if (idx < 16) {
- spin_lock_irqsave(&ucb->lock, flags);
-
- ucb1x00_enable(ucb);
- if (edges & UCB_RISING) {
- ucb->irq_ris_enbl &= ~(1 << idx);
- ucb1x00_reg_write(ucb, UCB_IE_RIS, ucb->irq_ris_enbl);
- }
- if (edges & UCB_FALLING) {
- ucb->irq_fal_enbl &= ~(1 << idx);
- ucb1x00_reg_write(ucb, UCB_IE_FAL, ucb->irq_fal_enbl);
- }
- ucb1x00_disable(ucb);
- spin_unlock_irqrestore(&ucb->lock, flags);
- }
+ raw_spin_lock(&ucb->irq_lock);
+ ucb->irq_mask |= mask;
+ ucb1x00_irq_update(ucb, mask);
+ raw_spin_unlock(&ucb->irq_lock);
}
-/**
- * ucb1x00_free_irq - disable and free the specified UCB1x00 interrupt
- * @ucb: UCB1x00 structure describing chip
- * @idx: interrupt index
- * @devid: device id.
- *
- * Disable the interrupt source and remove the handler. devid must
- * match the devid passed when hooking the interrupt.
- *
- * Returns zero on success, or one of the following errors:
- * -EINVAL if the interrupt index is invalid
- * -ENOENT if devid does not match
- */
-int ucb1x00_free_irq(struct ucb1x00 *ucb, unsigned int idx, void *devid)
+static int ucb1x00_irq_set_type(struct irq_data *data, unsigned int type)
{
- struct ucb1x00_irq *irq;
- int ret;
+ struct ucb1x00 *ucb = irq_data_get_irq_chip_data(data);
+ unsigned mask = 1 << (data->irq - ucb->irq_base);
- if (idx >= 16)
- goto bad;
+ raw_spin_lock(&ucb->irq_lock);
+ if (type & IRQ_TYPE_EDGE_RISING)
+ ucb->irq_ris_enbl |= mask;
+ else
+ ucb->irq_ris_enbl &= ~mask;
- irq = ucb->irq_handler + idx;
- ret = -ENOENT;
+ if (type & IRQ_TYPE_EDGE_FALLING)
+ ucb->irq_fal_enbl |= mask;
+ else
+ ucb->irq_fal_enbl &= ~mask;
+ if (ucb->irq_mask & mask) {
+ ucb1x00_reg_write(ucb, UCB_IE_RIS, ucb->irq_ris_enbl &
+ ucb->irq_mask);
+ ucb1x00_reg_write(ucb, UCB_IE_FAL, ucb->irq_fal_enbl &
+ ucb->irq_mask);
+ }
+ raw_spin_unlock(&ucb->irq_lock);
- spin_lock_irq(&ucb->lock);
- if (irq->devid == devid) {
- ucb->irq_ris_enbl &= ~(1 << idx);
- ucb->irq_fal_enbl &= ~(1 << idx);
+ return 0;
+}
- ucb1x00_enable(ucb);
- ucb1x00_reg_write(ucb, UCB_IE_RIS, ucb->irq_ris_enbl);
- ucb1x00_reg_write(ucb, UCB_IE_FAL, ucb->irq_fal_enbl);
- ucb1x00_disable(ucb);
+static int ucb1x00_irq_set_wake(struct irq_data *data, unsigned int on)
+{
+ struct ucb1x00 *ucb = irq_data_get_irq_chip_data(data);
+ struct ucb1x00_plat_data *pdata = ucb->mcp->attached_device.platform_data;
+ unsigned mask = 1 << (data->irq - ucb->irq_base);
- irq->fn = NULL;
- irq->devid = NULL;
- ret = 0;
- }
- spin_unlock_irq(&ucb->lock);
- return ret;
+ if (!pdata || !pdata->can_wakeup)
+ return -EINVAL;
-bad:
- printk(KERN_ERR "Freeing bad UCB1x00 irq %d\n", idx);
- return -EINVAL;
+ raw_spin_lock(&ucb->irq_lock);
+ if (on)
+ ucb->irq_wake |= mask;
+ else
+ ucb->irq_wake &= ~mask;
+ raw_spin_unlock(&ucb->irq_lock);
+
+ return 0;
}
+static struct irq_chip ucb1x00_irqchip = {
+ .name = "ucb1x00",
+ .irq_ack = ucb1x00_irq_noop,
+ .irq_mask = ucb1x00_irq_mask,
+ .irq_unmask = ucb1x00_irq_unmask,
+ .irq_set_type = ucb1x00_irq_set_type,
+ .irq_set_wake = ucb1x00_irq_set_wake,
+};
+
static int ucb1x00_add_dev(struct ucb1x00 *ucb, struct ucb1x00_driver *drv)
{
struct ucb1x00_dev *dev;
ret = drv->add(dev);
if (ret == 0) {
- list_add(&dev->dev_node, &ucb->devs);
- list_add(&dev->drv_node, &drv->devs);
+ list_add_tail(&dev->dev_node, &ucb->devs);
+ list_add_tail(&dev->drv_node, &drv->devs);
} else {
kfree(dev);
}
static int ucb1x00_probe(struct mcp *mcp)
{
- struct ucb1x00 *ucb;
+ struct ucb1x00_plat_data *pdata = mcp->attached_device.platform_data;
struct ucb1x00_driver *drv;
- unsigned int id;
+ struct ucb1x00 *ucb;
+ unsigned id, i, irq_base;
int ret = -ENODEV;
- int temp;
+
+ /* Tell the platform to deassert the UCB1x00 reset */
+ if (pdata && pdata->reset)
+ pdata->reset(UCB_RST_PROBE);
mcp_enable(mcp);
id = mcp_reg_read(mcp, UCB_ID);
+ mcp_disable(mcp);
if (id != UCB_ID_1200 && id != UCB_ID_1300 && id != UCB_ID_TC35143) {
printk(KERN_WARNING "UCB1x00 ID not found: %04x\n", id);
- goto err_disable;
+ goto out;
}
ucb = kzalloc(sizeof(struct ucb1x00), GFP_KERNEL);
ret = -ENOMEM;
if (!ucb)
- goto err_disable;
-
+ goto out;
+ device_initialize(&ucb->dev);
ucb->dev.class = &ucb1x00_class;
ucb->dev.parent = &mcp->attached_device;
dev_set_name(&ucb->dev, "ucb1x00");
- spin_lock_init(&ucb->lock);
+ raw_spin_lock_init(&ucb->irq_lock);
spin_lock_init(&ucb->io_lock);
- sema_init(&ucb->adc_sem, 1);
+ mutex_init(&ucb->adc_mutex);
ucb->id = id;
ucb->mcp = mcp;
+
+ ret = device_add(&ucb->dev);
+ if (ret)
+ goto err_dev_add;
+
+ ucb1x00_enable(ucb);
ucb->irq = ucb1x00_detect_irq(ucb);
+ ucb1x00_disable(ucb);
if (ucb->irq == NO_IRQ) {
- printk(KERN_ERR "UCB1x00: IRQ probe failed\n");
+ dev_err(&ucb->dev, "IRQ probe failed\n");
ret = -ENODEV;
- goto err_free;
+ goto err_no_irq;
}
ucb->gpio.base = -1;
- if (mcp->gpio_base != 0) {
+ irq_base = pdata ? pdata->irq_base : 0;
+ ucb->irq_base = irq_alloc_descs(-1, irq_base, 16, -1);
+ if (ucb->irq_base < 0) {
+ dev_err(&ucb->dev, "unable to allocate 16 irqs: %d\n",
+ ucb->irq_base);
+ goto err_irq_alloc;
+ }
+
+ for (i = 0; i < 16; i++) {
+ unsigned irq = ucb->irq_base + i;
+
+ irq_set_chip_and_handler(irq, &ucb1x00_irqchip, handle_edge_irq);
+ irq_set_chip_data(irq, ucb);
+ set_irq_flags(irq, IRQF_VALID | IRQ_NOREQUEST);
+ }
+
+ irq_set_irq_type(ucb->irq, IRQ_TYPE_EDGE_RISING);
+ irq_set_handler_data(ucb->irq, ucb);
+ irq_set_chained_handler(ucb->irq, ucb1x00_irq);
+
+ if (pdata && pdata->gpio_base) {
ucb->gpio.label = dev_name(&ucb->dev);
- ucb->gpio.base = mcp->gpio_base;
+ ucb->gpio.dev = &ucb->dev;
+ ucb->gpio.owner = THIS_MODULE;
+ ucb->gpio.base = pdata->gpio_base;
ucb->gpio.ngpio = 10;
ucb->gpio.set = ucb1x00_gpio_set;
ucb->gpio.get = ucb1x00_gpio_get;
ucb->gpio.direction_input = ucb1x00_gpio_direction_input;
ucb->gpio.direction_output = ucb1x00_gpio_direction_output;
+ ucb->gpio.to_irq = ucb1x00_to_irq;
ret = gpiochip_add(&ucb->gpio);
if (ret)
- goto err_free;
+ goto err_gpio_add;
} else
dev_info(&ucb->dev, "gpio_base not set so no gpiolib support");
- ret = request_irq(ucb->irq, ucb1x00_irq, IRQF_TRIGGER_RISING,
- "UCB1x00", ucb);
- if (ret) {
- printk(KERN_ERR "ucb1x00: unable to grab irq%d: %d\n",
- ucb->irq, ret);
- goto err_gpio;
- }
-
mcp_set_drvdata(mcp, ucb);
- ret = device_register(&ucb->dev);
- if (ret)
- goto err_irq;
-
+ if (pdata)
+ device_set_wakeup_capable(&ucb->dev, pdata->can_wakeup);
INIT_LIST_HEAD(&ucb->devs);
mutex_lock(&ucb1x00_mutex);
- list_add(&ucb->node, &ucb1x00_devices);
+ list_add_tail(&ucb->node, &ucb1x00_devices);
list_for_each_entry(drv, &ucb1x00_drivers, node) {
ucb1x00_add_dev(ucb, drv);
}
mutex_unlock(&ucb1x00_mutex);
- goto out;
+ return ret;
- err_irq:
- free_irq(ucb->irq, ucb);
- err_gpio:
- if (ucb->gpio.base != -1)
- temp = gpiochip_remove(&ucb->gpio);
- err_free:
- kfree(ucb);
- err_disable:
- mcp_disable(mcp);
+ err_gpio_add:
+ irq_set_chained_handler(ucb->irq, NULL);
+ err_irq_alloc:
+ if (ucb->irq_base > 0)
+ irq_free_descs(ucb->irq_base, 16);
+ err_no_irq:
+ device_del(&ucb->dev);
+ err_dev_add:
+ put_device(&ucb->dev);
out:
+ if (pdata && pdata->reset)
+ pdata->reset(UCB_RST_PROBE_FAIL);
return ret;
}
static void ucb1x00_remove(struct mcp *mcp)
{
+ struct ucb1x00_plat_data *pdata = mcp->attached_device.platform_data;
struct ucb1x00 *ucb = mcp_get_drvdata(mcp);
struct list_head *l, *n;
int ret;
dev_err(&ucb->dev, "Can't remove gpio chip: %d\n", ret);
}
- free_irq(ucb->irq, ucb);
+ irq_set_chained_handler(ucb->irq, NULL);
+ irq_free_descs(ucb->irq_base, 16);
device_unregister(&ucb->dev);
+
+ if (pdata && pdata->reset)
+ pdata->reset(UCB_RST_REMOVE);
}
int ucb1x00_register_driver(struct ucb1x00_driver *drv)
INIT_LIST_HEAD(&drv->devs);
mutex_lock(&ucb1x00_mutex);
- list_add(&drv->node, &ucb1x00_drivers);
+ list_add_tail(&drv->node, &ucb1x00_drivers);
list_for_each_entry(ucb, &ucb1x00_devices, node) {
ucb1x00_add_dev(ucb, drv);
}
mutex_unlock(&ucb1x00_mutex);
}
-static int ucb1x00_suspend(struct mcp *mcp, pm_message_t state)
+static int ucb1x00_suspend(struct device *dev)
{
- struct ucb1x00 *ucb = mcp_get_drvdata(mcp);
- struct ucb1x00_dev *dev;
+ struct ucb1x00_plat_data *pdata = dev->platform_data;
+ struct ucb1x00 *ucb = dev_get_drvdata(dev);
+ struct ucb1x00_dev *udev;
mutex_lock(&ucb1x00_mutex);
- list_for_each_entry(dev, &ucb->devs, dev_node) {
- if (dev->drv->suspend)
- dev->drv->suspend(dev, state);
+ list_for_each_entry(udev, &ucb->devs, dev_node) {
+ if (udev->drv->suspend)
+ udev->drv->suspend(udev);
}
mutex_unlock(&ucb1x00_mutex);
+
+ if (ucb->irq_wake) {
+ unsigned long flags;
+
+ raw_spin_lock_irqsave(&ucb->irq_lock, flags);
+ ucb1x00_enable(ucb);
+ ucb1x00_reg_write(ucb, UCB_IE_RIS, ucb->irq_ris_enbl &
+ ucb->irq_wake);
+ ucb1x00_reg_write(ucb, UCB_IE_FAL, ucb->irq_fal_enbl &
+ ucb->irq_wake);
+ ucb1x00_disable(ucb);
+ raw_spin_unlock_irqrestore(&ucb->irq_lock, flags);
+
+ enable_irq_wake(ucb->irq);
+ } else if (pdata && pdata->reset)
+ pdata->reset(UCB_RST_SUSPEND);
+
return 0;
}
-static int ucb1x00_resume(struct mcp *mcp)
+static int ucb1x00_resume(struct device *dev)
{
- struct ucb1x00 *ucb = mcp_get_drvdata(mcp);
- struct ucb1x00_dev *dev;
+ struct ucb1x00_plat_data *pdata = dev->platform_data;
+ struct ucb1x00 *ucb = dev_get_drvdata(dev);
+ struct ucb1x00_dev *udev;
+
+ if (!ucb->irq_wake && pdata && pdata->reset)
+ pdata->reset(UCB_RST_RESUME);
+ ucb1x00_enable(ucb);
ucb1x00_reg_write(ucb, UCB_IO_DATA, ucb->io_out);
ucb1x00_reg_write(ucb, UCB_IO_DIR, ucb->io_dir);
+
+ if (ucb->irq_wake) {
+ unsigned long flags;
+
+ raw_spin_lock_irqsave(&ucb->irq_lock, flags);
+ ucb1x00_reg_write(ucb, UCB_IE_RIS, ucb->irq_ris_enbl &
+ ucb->irq_mask);
+ ucb1x00_reg_write(ucb, UCB_IE_FAL, ucb->irq_fal_enbl &
+ ucb->irq_mask);
+ raw_spin_unlock_irqrestore(&ucb->irq_lock, flags);
+
+ disable_irq_wake(ucb->irq);
+ }
+ ucb1x00_disable(ucb);
+
mutex_lock(&ucb1x00_mutex);
- list_for_each_entry(dev, &ucb->devs, dev_node) {
- if (dev->drv->resume)
- dev->drv->resume(dev);
+ list_for_each_entry(udev, &ucb->devs, dev_node) {
+ if (udev->drv->resume)
+ udev->drv->resume(udev);
}
mutex_unlock(&ucb1x00_mutex);
return 0;
}
+static const struct dev_pm_ops ucb1x00_pm_ops = {
+ SET_SYSTEM_SLEEP_PM_OPS(ucb1x00_suspend, ucb1x00_resume)
+};
+
static struct mcp_driver ucb1x00_driver = {
.drv = {
.name = "ucb1x00",
+ .owner = THIS_MODULE,
+ .pm = &ucb1x00_pm_ops,
},
.probe = ucb1x00_probe,
.remove = ucb1x00_remove,
- .suspend = ucb1x00_suspend,
- .resume = ucb1x00_resume,
};
static int __init ucb1x00_init(void)
EXPORT_SYMBOL(ucb1x00_adc_read);
EXPORT_SYMBOL(ucb1x00_adc_disable);
-EXPORT_SYMBOL(ucb1x00_hook_irq);
-EXPORT_SYMBOL(ucb1x00_free_irq);
-EXPORT_SYMBOL(ucb1x00_enable_irq);
-EXPORT_SYMBOL(ucb1x00_disable_irq);
-
EXPORT_SYMBOL(ucb1x00_register_driver);
EXPORT_SYMBOL(ucb1x00_unregister_driver);
+MODULE_ALIAS("mcp:ucb1x00");
MODULE_AUTHOR("Russell King <rmk@arm.linux.org.uk>");
MODULE_DESCRIPTION("UCB1x00 core driver");
MODULE_LICENSE("GPL");
projects / firefly-linux-kernel-4.4.55.git / blobdiff