Merge remote-tracking branch 'driver-core/driver-core-next'

diff --cc MAINTAINERS
Simple merge

diff --cc arch/tile/Kconfig
Simple merge

diff --cc arch/xtensa/Kconfig
Simple merge

diff --cc drivers/base/platform.c
index d51514b79efedc4ad446e5ce6dd87a8ee9d2fb6d,ddeca142293ccbe378f5b5c207465f4e1f5e3056..8727e9c5eea47dd78170e091635f31d29fc7cb52
--- 1/drivers/base/platform.c
--- 2/drivers/base/platform.c
+++ b/drivers/base/platform.c
@@@ -20,10 -20,13 +20,14 @@@
  #include <linux/err.h>
  #include <linux/slab.h>
  #include <linux/pm_runtime.h>
+ #include <linux/idr.h>
  
  #include "base.h"
 +#include "power/power.h"
  
+ /* For automatically allocated device IDs */
+ static DEFINE_IDA(platform_devid_ida);
+ 
  #define to_platform_driver(drv)       (container_of((drv), struct platform_driver, \
                                 driver))
  

diff --cc drivers/base/power/main.c
Simple merge

diff --cc drivers/extcon/extcon-adc-jack.c
index 0000000000000000000000000000000000000000,60ac3fbb4cde7ef1163105ef7de2335012ced5ea..725eb5aa8d8cb670d0e104d48557fb866947a20a
mode 000000,100644..100644
--- /dev/null
--- 2/drivers/extcon/extcon-adc-jack.c
+++ b/drivers/extcon/extcon-adc-jack.c
@@@ -1,0 -1,198 +1,198 @@@
 -      INIT_DELAYED_WORK_DEFERRABLE(&data->handler, adc_jack_handler);
+ /*
+  * drivers/extcon/extcon-adc-jack.c
+  *
+  * Analog Jack extcon driver with ADC-based detection capability.
+  *
+  * Copyright (C) 2012 Samsung Electronics
+  * MyungJoo Ham <myungjoo.ham@samsung.com>
+  *
+  * Modified for calling to IIO to get adc by <anish.singh@samsung.com>
+  *
+  * 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.
+  *
+  */
+ 
+ #include <linux/slab.h>
+ #include <linux/device.h>
+ #include <linux/platform_device.h>
+ #include <linux/err.h>
+ #include <linux/interrupt.h>
+ #include <linux/workqueue.h>
+ #include <linux/iio/consumer.h>
+ #include <linux/extcon/extcon-adc-jack.h>
+ #include <linux/extcon.h>
+ 
+ /**
+  * struct adc_jack_data - internal data for adc_jack device driver
+  * @edev        - extcon device.
+  * @cable_names - list of supported cables.
+  * @num_cables  - size of cable_names.
+  * @adc_conditions       - list of adc value conditions.
+  * @num_conditions       - size of adc_conditions.
+  * @irq         - irq number of attach/detach event (0 if not exist).
+  * @handling_delay      - interrupt handler will schedule extcon event
+  *                      handling at handling_delay jiffies.
+  * @handler     - extcon event handler called by interrupt handler.
+  * @chan       - iio channel being queried.
+  */
+ struct adc_jack_data {
+       struct extcon_dev edev;
+ 
+       const char **cable_names;
+       int num_cables;
+       struct adc_jack_cond *adc_conditions;
+       int num_conditions;
+ 
+       int irq;
+       unsigned long handling_delay; /* in jiffies */
+       struct delayed_work handler;
+ 
+       struct iio_channel *chan;
+ };
+ 
+ static void adc_jack_handler(struct work_struct *work)
+ {
+       struct adc_jack_data *data = container_of(to_delayed_work(work),
+                       struct adc_jack_data,
+                       handler);
+       u32 state = 0;
+       int ret, adc_val;
+       int i;
+ 
+       ret = iio_read_channel_raw(data->chan, &adc_val);
+       if (ret < 0) {
+               dev_err(data->edev.dev, "read channel() error: %d\n", ret);
+               return;
+       }
+ 
+       /* Get state from adc value with adc_conditions */
+       for (i = 0; i < data->num_conditions; i++) {
+               struct adc_jack_cond *def = &data->adc_conditions[i];
+               if (!def->state)
+                       break;
+               if (def->min_adc <= adc_val && def->max_adc >= adc_val) {
+                       state = def->state;
+                       break;
+               }
+       }
+       /* if no def has met, it means state = 0 (no cables attached) */
+ 
+       extcon_set_state(&data->edev, state);
+ }
+ 
+ static irqreturn_t adc_jack_irq_thread(int irq, void *_data)
+ {
+       struct adc_jack_data *data = _data;
+ 
+       schedule_delayed_work(&data->handler, data->handling_delay);
+       return IRQ_HANDLED;
+ }
+ 
+ static int __devinit adc_jack_probe(struct platform_device *pdev)
+ {
+       struct adc_jack_data *data;
+       struct adc_jack_pdata *pdata = pdev->dev.platform_data;
+       int i, err = 0;
+ 
+       data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL);
+       if (!data)
+               return -ENOMEM;
+ 
+       data->edev.name = pdata->name;
+ 
+       if (!pdata->cable_names) {
+               err = -EINVAL;
+               dev_err(&pdev->dev, "error: cable_names not defined.\n");
+               goto out;
+       }
+ 
+       data->edev.supported_cable = pdata->cable_names;
+ 
+       /* Check the length of array and set num_cables */
+       for (i = 0; data->edev.supported_cable[i]; i++)
+               ;
+       if (i == 0 || i > SUPPORTED_CABLE_MAX) {
+               err = -EINVAL;
+               dev_err(&pdev->dev, "error: pdata->cable_names size = %d\n",
+                               i - 1);
+               goto out;
+       }
+       data->num_cables = i;
+ 
+       if (!pdata->adc_conditions ||
+                       !pdata->adc_conditions[0].state) {
+               err = -EINVAL;
+               dev_err(&pdev->dev, "error: adc_conditions not defined.\n");
+               goto out;
+       }
+       data->adc_conditions = pdata->adc_conditions;
+ 
+       /* Check the length of array and set num_conditions */
+       for (i = 0; data->adc_conditions[i].state; i++)
+               ;
+       data->num_conditions = i;
+ 
+       data->chan = iio_channel_get(dev_name(&pdev->dev),
+                       pdata->consumer_channel);
+       if (IS_ERR(data->chan)) {
+               err = PTR_ERR(data->chan);
+               goto out;
+       }
+ 
+       data->handling_delay = msecs_to_jiffies(pdata->handling_delay_ms);
+ 
++      INIT_DEFERRABLE_WORK(&data->handler, adc_jack_handler);
+ 
+       platform_set_drvdata(pdev, data);
+ 
+       err = extcon_dev_register(&data->edev, &pdev->dev);
+       if (err)
+               goto out;
+ 
+       data->irq = platform_get_irq(pdev, 0);
+       if (!data->irq) {
+               dev_err(&pdev->dev, "platform_get_irq failed\n");
+               err = -ENODEV;
+               goto err_irq;
+       }
+ 
+       err = request_any_context_irq(data->irq, adc_jack_irq_thread,
+                       pdata->irq_flags, pdata->name, data);
+ 
+       if (err) {
+               dev_err(&pdev->dev, "error: irq %d\n", data->irq);
+               err = -EINVAL;
+               goto err_irq;
+       }
+ 
+       goto out;
+ 
+ err_irq:
+       extcon_dev_unregister(&data->edev);
+ out:
+       return err;
+ }
+ 
+ static int __devexit adc_jack_remove(struct platform_device *pdev)
+ {
+       struct adc_jack_data *data = platform_get_drvdata(pdev);
+ 
+       free_irq(data->irq, data);
+       cancel_work_sync(&data->handler.work);
+       extcon_dev_unregister(&data->edev);
+ 
+       return 0;
+ }
+ 
+ static struct platform_driver adc_jack_driver = {
+       .probe          = adc_jack_probe,
+       .remove         = __devexit_p(adc_jack_remove),
+       .driver         = {
+               .name   = "adc-jack",
+               .owner  = THIS_MODULE,
+       },
+ };
+ 
+ module_platform_driver(adc_jack_driver);

diff --cc include/linux/device.h
Simple merge

diff --cc include/linux/pm.h
Simple merge

diff --cc init/Kconfig
Simple merge