diff options
Diffstat (limited to 'drivers/mfd/ucb1x00-core.c')
-rw-r--r-- | drivers/mfd/ucb1x00-core.c | 32 |
1 files changed, 16 insertions, 16 deletions
diff --git a/drivers/mfd/ucb1x00-core.c b/drivers/mfd/ucb1x00-core.c index e335d54c465..aff83f96680 100644 --- a/drivers/mfd/ucb1x00-core.c +++ b/drivers/mfd/ucb1x00-core.c @@ -24,14 +24,14 @@ #include <linux/errno.h> #include <linux/interrupt.h> #include <linux/device.h> +#include <linux/mutex.h> #include <asm/dma.h> #include <asm/hardware.h> -#include <asm/irq.h> #include "ucb1x00.h" -static DECLARE_MUTEX(ucb1x00_sem); +static DEFINE_MUTEX(ucb1x00_mutex); static LIST_HEAD(ucb1x00_drivers); static LIST_HEAD(ucb1x00_devices); @@ -507,14 +507,14 @@ static int ucb1x00_probe(struct mcp *mcp) goto err_free; } - ret = request_irq(ucb->irq, ucb1x00_irq, 0, "UCB1x00", ucb); + ret = request_irq(ucb->irq, ucb1x00_irq, SA_TRIGGER_RISING, + "UCB1x00", ucb); if (ret) { printk(KERN_ERR "ucb1x00: unable to grab irq%d: %d\n", ucb->irq, ret); goto err_free; } - set_irq_type(ucb->irq, IRQT_RISING); mcp_set_drvdata(mcp, ucb); ret = class_device_register(&ucb->cdev); @@ -522,12 +522,12 @@ static int ucb1x00_probe(struct mcp *mcp) goto err_irq; INIT_LIST_HEAD(&ucb->devs); - down(&ucb1x00_sem); + mutex_lock(&ucb1x00_mutex); list_add(&ucb->node, &ucb1x00_devices); list_for_each_entry(drv, &ucb1x00_drivers, node) { ucb1x00_add_dev(ucb, drv); } - up(&ucb1x00_sem); + mutex_unlock(&ucb1x00_mutex); goto out; err_irq: @@ -545,13 +545,13 @@ static void ucb1x00_remove(struct mcp *mcp) struct ucb1x00 *ucb = mcp_get_drvdata(mcp); struct list_head *l, *n; - down(&ucb1x00_sem); + mutex_lock(&ucb1x00_mutex); list_del(&ucb->node); list_for_each_safe(l, n, &ucb->devs) { struct ucb1x00_dev *dev = list_entry(l, struct ucb1x00_dev, dev_node); ucb1x00_remove_dev(dev); } - up(&ucb1x00_sem); + mutex_unlock(&ucb1x00_mutex); free_irq(ucb->irq, ucb); class_device_unregister(&ucb->cdev); @@ -562,12 +562,12 @@ int ucb1x00_register_driver(struct ucb1x00_driver *drv) struct ucb1x00 *ucb; INIT_LIST_HEAD(&drv->devs); - down(&ucb1x00_sem); + mutex_lock(&ucb1x00_mutex); list_add(&drv->node, &ucb1x00_drivers); list_for_each_entry(ucb, &ucb1x00_devices, node) { ucb1x00_add_dev(ucb, drv); } - up(&ucb1x00_sem); + mutex_unlock(&ucb1x00_mutex); return 0; } @@ -575,13 +575,13 @@ void ucb1x00_unregister_driver(struct ucb1x00_driver *drv) { struct list_head *n, *l; - down(&ucb1x00_sem); + mutex_lock(&ucb1x00_mutex); list_del(&drv->node); list_for_each_safe(l, n, &drv->devs) { struct ucb1x00_dev *dev = list_entry(l, struct ucb1x00_dev, drv_node); ucb1x00_remove_dev(dev); } - up(&ucb1x00_sem); + mutex_unlock(&ucb1x00_mutex); } static int ucb1x00_suspend(struct mcp *mcp, pm_message_t state) @@ -589,12 +589,12 @@ static int ucb1x00_suspend(struct mcp *mcp, pm_message_t state) struct ucb1x00 *ucb = mcp_get_drvdata(mcp); struct ucb1x00_dev *dev; - down(&ucb1x00_sem); + mutex_lock(&ucb1x00_mutex); list_for_each_entry(dev, &ucb->devs, dev_node) { if (dev->drv->suspend) dev->drv->suspend(dev, state); } - up(&ucb1x00_sem); + mutex_unlock(&ucb1x00_mutex); return 0; } @@ -603,12 +603,12 @@ static int ucb1x00_resume(struct mcp *mcp) struct ucb1x00 *ucb = mcp_get_drvdata(mcp); struct ucb1x00_dev *dev; - down(&ucb1x00_sem); + mutex_lock(&ucb1x00_mutex); list_for_each_entry(dev, &ucb->devs, dev_node) { if (dev->drv->resume) dev->drv->resume(dev); } - up(&ucb1x00_sem); + mutex_unlock(&ucb1x00_mutex); return 0; } |