diff options
| -rw-r--r-- | drivers/mfd/ucb1x00-core.c | 27 | ||||
| -rw-r--r-- | drivers/mmc/mmc_block.c | 11 |
2 files changed, 20 insertions, 18 deletions
diff --git a/drivers/mfd/ucb1x00-core.c b/drivers/mfd/ucb1x00-core.c index b42e0fbab59..aff83f96680 100644 --- a/drivers/mfd/ucb1x00-core.c +++ b/drivers/mfd/ucb1x00-core.c @@ -24,13 +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 "ucb1x00.h" -static DECLARE_MUTEX(ucb1x00_sem); +static DEFINE_MUTEX(ucb1x00_mutex); static LIST_HEAD(ucb1x00_drivers); static LIST_HEAD(ucb1x00_devices); @@ -521,12 +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: @@ -544,13 +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); @@ -561,12 +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; } @@ -574,13 +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) @@ -588,12 +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; } @@ -602,12 +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; } diff --git a/drivers/mmc/mmc_block.c b/drivers/mmc/mmc_block.c index f2c42b13945..9b7c37e0e57 100644 --- a/drivers/mmc/mmc_block.c +++ b/drivers/mmc/mmc_block.c @@ -28,6 +28,7 @@ #include <linux/kdev_t.h> #include <linux/blkdev.h> #include <linux/devfs_fs_kernel.h> +#include <linux/mutex.h> #include <linux/mmc/card.h> #include <linux/mmc/protocol.h> @@ -57,33 +58,33 @@ struct mmc_blk_data { unsigned int read_only; }; -static DECLARE_MUTEX(open_lock); +static DEFINE_MUTEX(open_lock); static struct mmc_blk_data *mmc_blk_get(struct gendisk *disk) { struct mmc_blk_data *md; - down(&open_lock); + mutex_lock(&open_lock); md = disk->private_data; if (md && md->usage == 0) md = NULL; if (md) md->usage++; - up(&open_lock); + mutex_unlock(&open_lock); return md; } static void mmc_blk_put(struct mmc_blk_data *md) { - down(&open_lock); + mutex_lock(&open_lock); md->usage--; if (md->usage == 0) { put_disk(md->disk); mmc_cleanup_queue(&md->queue); kfree(md); } - up(&open_lock); + mutex_unlock(&open_lock); } static int mmc_blk_open(struct inode *inode, struct file *filp) |