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Merge master.kernel.org:/home/rmk/linux-2.6-mmc
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commit
a2b421fee3
@ -24,13 +24,14 @@
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#include <linux/errno.h>
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#include <linux/interrupt.h>
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#include <linux/device.h>
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#include <linux/mutex.h>
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#include <asm/dma.h>
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#include <asm/hardware.h>
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#include "ucb1x00.h"
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static DECLARE_MUTEX(ucb1x00_sem);
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static DEFINE_MUTEX(ucb1x00_mutex);
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static LIST_HEAD(ucb1x00_drivers);
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static LIST_HEAD(ucb1x00_devices);
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@ -521,12 +522,12 @@ static int ucb1x00_probe(struct mcp *mcp)
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goto err_irq;
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INIT_LIST_HEAD(&ucb->devs);
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down(&ucb1x00_sem);
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mutex_lock(&ucb1x00_mutex);
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list_add(&ucb->node, &ucb1x00_devices);
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list_for_each_entry(drv, &ucb1x00_drivers, node) {
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ucb1x00_add_dev(ucb, drv);
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}
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up(&ucb1x00_sem);
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mutex_unlock(&ucb1x00_mutex);
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goto out;
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err_irq:
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@ -544,13 +545,13 @@ static void ucb1x00_remove(struct mcp *mcp)
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struct ucb1x00 *ucb = mcp_get_drvdata(mcp);
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struct list_head *l, *n;
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down(&ucb1x00_sem);
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mutex_lock(&ucb1x00_mutex);
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list_del(&ucb->node);
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list_for_each_safe(l, n, &ucb->devs) {
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struct ucb1x00_dev *dev = list_entry(l, struct ucb1x00_dev, dev_node);
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ucb1x00_remove_dev(dev);
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}
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up(&ucb1x00_sem);
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mutex_unlock(&ucb1x00_mutex);
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free_irq(ucb->irq, ucb);
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class_device_unregister(&ucb->cdev);
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@ -561,12 +562,12 @@ int ucb1x00_register_driver(struct ucb1x00_driver *drv)
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struct ucb1x00 *ucb;
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INIT_LIST_HEAD(&drv->devs);
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down(&ucb1x00_sem);
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mutex_lock(&ucb1x00_mutex);
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list_add(&drv->node, &ucb1x00_drivers);
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list_for_each_entry(ucb, &ucb1x00_devices, node) {
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ucb1x00_add_dev(ucb, drv);
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}
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up(&ucb1x00_sem);
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mutex_unlock(&ucb1x00_mutex);
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return 0;
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}
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@ -574,13 +575,13 @@ void ucb1x00_unregister_driver(struct ucb1x00_driver *drv)
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{
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struct list_head *n, *l;
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down(&ucb1x00_sem);
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mutex_lock(&ucb1x00_mutex);
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list_del(&drv->node);
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list_for_each_safe(l, n, &drv->devs) {
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struct ucb1x00_dev *dev = list_entry(l, struct ucb1x00_dev, drv_node);
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ucb1x00_remove_dev(dev);
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}
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up(&ucb1x00_sem);
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mutex_unlock(&ucb1x00_mutex);
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}
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static int ucb1x00_suspend(struct mcp *mcp, pm_message_t state)
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@ -588,12 +589,12 @@ static int ucb1x00_suspend(struct mcp *mcp, pm_message_t state)
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struct ucb1x00 *ucb = mcp_get_drvdata(mcp);
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struct ucb1x00_dev *dev;
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down(&ucb1x00_sem);
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mutex_lock(&ucb1x00_mutex);
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list_for_each_entry(dev, &ucb->devs, dev_node) {
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if (dev->drv->suspend)
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dev->drv->suspend(dev, state);
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}
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up(&ucb1x00_sem);
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mutex_unlock(&ucb1x00_mutex);
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return 0;
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}
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@ -602,12 +603,12 @@ static int ucb1x00_resume(struct mcp *mcp)
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struct ucb1x00 *ucb = mcp_get_drvdata(mcp);
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struct ucb1x00_dev *dev;
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down(&ucb1x00_sem);
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mutex_lock(&ucb1x00_mutex);
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list_for_each_entry(dev, &ucb->devs, dev_node) {
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if (dev->drv->resume)
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dev->drv->resume(dev);
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}
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up(&ucb1x00_sem);
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mutex_unlock(&ucb1x00_mutex);
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return 0;
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}
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@ -28,6 +28,7 @@
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#include <linux/kdev_t.h>
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#include <linux/blkdev.h>
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#include <linux/devfs_fs_kernel.h>
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#include <linux/mutex.h>
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#include <linux/mmc/card.h>
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#include <linux/mmc/protocol.h>
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@ -57,33 +58,33 @@ struct mmc_blk_data {
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unsigned int read_only;
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};
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static DECLARE_MUTEX(open_lock);
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static DEFINE_MUTEX(open_lock);
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static struct mmc_blk_data *mmc_blk_get(struct gendisk *disk)
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{
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struct mmc_blk_data *md;
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down(&open_lock);
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mutex_lock(&open_lock);
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md = disk->private_data;
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if (md && md->usage == 0)
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md = NULL;
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if (md)
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md->usage++;
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up(&open_lock);
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mutex_unlock(&open_lock);
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return md;
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}
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static void mmc_blk_put(struct mmc_blk_data *md)
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{
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down(&open_lock);
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mutex_lock(&open_lock);
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md->usage--;
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if (md->usage == 0) {
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put_disk(md->disk);
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mmc_cleanup_queue(&md->queue);
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kfree(md);
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}
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up(&open_lock);
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mutex_unlock(&open_lock);
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}
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static int mmc_blk_open(struct inode *inode, struct file *filp)
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