Commit c830a071 authored by David S. Miller's avatar David S. Miller

Merge davem@nuts.ninka.net:/home/davem/src/BK/net-2.5

into kernel.bkbits.net:/home/davem/net-2.5
parents 9fb27297 e25172d2
No related merge requests found
......@@ -282,23 +282,25 @@ static int bus_match(struct device * dev, struct device_driver * drv)
* Walk the list of drivers that the bus has and call bus_match()
* for each pair. If a compatible pair is found, break out and return.
*/
static void device_attach(struct device * dev)
static int device_attach(struct device * dev)
{
struct bus_type * bus = dev->bus;
struct list_head * entry;
if (dev->driver) {
device_bind_driver(dev);
return;
return 1;
}
if (bus->match) {
list_for_each(entry,&bus->drivers.list) {
struct device_driver * drv = to_drv(entry);
if (!bus_match(dev,drv))
break;
return 1;
}
}
return 0;
}
......@@ -476,6 +478,38 @@ void bus_remove_driver(struct device_driver * drv)
}
}
/* Helper for bus_rescan_devices's iter */
static int bus_rescan_devices_helper(struct device *dev, void *data)
{
int *count = data;
if (!dev->driver && device_attach(dev))
(*count)++;
return 0;
}
/**
* bus_rescan_devices - rescan devices on the bus for possible drivers
* @bus: the bus to scan.
*
* This function will look for devices on the bus with no driver
* attached and rescan it against existing drivers to see if it
* matches any. Calls device_attach(). Returns the number of devices
* that were sucessfully bound to a driver.
*/
int bus_rescan_devices(struct bus_type * bus)
{
int count = 0;
bus_for_each_dev(bus, NULL, &count, bus_rescan_devices_helper);
return count;
}
struct bus_type * get_bus(struct bus_type * bus)
{
return bus ? container_of(subsys_get(&bus->subsys),struct bus_type,subsys) : NULL;
......@@ -560,6 +594,7 @@ EXPORT_SYMBOL(bus_add_device);
EXPORT_SYMBOL(bus_remove_device);
EXPORT_SYMBOL(bus_register);
EXPORT_SYMBOL(bus_unregister);
EXPORT_SYMBOL(bus_rescan_devices);
EXPORT_SYMBOL(get_bus);
EXPORT_SYMBOL(put_bus);
EXPORT_SYMBOL(find_bus);
......
......@@ -65,6 +65,7 @@ struct nand_flash_dev {
* NAND Flash Manufacturer ID Codes
*/
#define NAND_MFR_AMD 0x01
#define NAND_MFR_NS 0x8f
#define NAND_MFR_TOSHIBA 0x98
#define NAND_MFR_SAMSUNG 0xec
......@@ -72,6 +73,8 @@ static inline char *nand_flash_manufacturer(int manuf_id) {
switch(manuf_id) {
case NAND_MFR_AMD:
return "AMD";
case NAND_MFR_NS:
return "NS";
case NAND_MFR_TOSHIBA:
return "Toshiba";
case NAND_MFR_SAMSUNG:
......@@ -84,10 +87,12 @@ static inline char *nand_flash_manufacturer(int manuf_id) {
/*
* It looks like it is unnecessary to attach manufacturer to the
* remaining data: SSFDC prescribes manufacturer-independent id codes.
*
* 256 MB NAND flash has a 5-byte ID with 2nd byte 0xaa, 0xba, 0xca or 0xda.
*/
static struct nand_flash_dev nand_flash_ids[] = {
/* NAND flash - these I verified */
/* NAND flash */
{ 0x6e, 20, 8, 4, 8, 2}, /* 1 MB */
{ 0xe8, 20, 8, 4, 8, 2}, /* 1 MB */
{ 0xec, 20, 8, 4, 8, 2}, /* 1 MB */
......@@ -101,12 +106,13 @@ static struct nand_flash_dev nand_flash_ids[] = {
{ 0x75, 25, 9, 5, 10, 2}, /* 32 MB */
{ 0x76, 26, 9, 5, 10, 3}, /* 64 MB */
{ 0x79, 27, 9, 5, 10, 3}, /* 128 MB */
/* There do also exist 96 MB (from Datafab) and 256 MB cards */
/* MASK ROM - from unknown source */
/* MASK ROM */
{ 0x5d, 21, 9, 4, 8, 2}, /* 2 MB */
{ 0xd5, 22, 9, 4, 9, 2}, /* 4 MB */
{ 0xd6, 23, 9, 4, 10, 2}, /* 8 MB */
{ 0x57, 24, 9, 4, 11, 2}, /* 16 MB */
{ 0x58, 25, 9, 4, 12, 2}, /* 32 MB */
{ 0,}
};
......
......@@ -674,28 +674,29 @@ int lmGroupCommit(struct jfs_log * log, struct tblock * tblk)
}
jfs_info("lmGroup Commit: tblk = 0x%p, gcrtc = %d", tblk, log->gcrtc);
if (tblk->xflag & COMMIT_LAZY) {
/*
* Lazy transactions can leave now
*/
if (tblk->xflag & COMMIT_LAZY)
tblk->flag |= tblkGC_LAZY;
LOGGC_UNLOCK(log);
return 0;
}
/*
* group commit pageout in progress
*/
if ((!(log->cflag & logGC_PAGEOUT)) && log->cqueue.head) {
if ((!(log->cflag & logGC_PAGEOUT)) && log->cqueue.head &&
(!(tblk->xflag & COMMIT_LAZY) || test_bit(log_FLUSH, &log->flag))) {
/*
* only transaction in the commit queue:
* No pageout in progress
*
* start one-transaction group commit as
* its group leader.
* start group commit as its group leader.
*/
log->cflag |= logGC_PAGEOUT;
lmGCwrite(log, 0);
}
if (tblk->xflag & COMMIT_LAZY) {
/*
* Lazy transactions can leave now
*/
LOGGC_UNLOCK(log);
return 0;
}
/* lmGCwrite gives up LOGGC_LOCK, check again */
if (tblk->flag & tblkGC_COMMITTED) {
......@@ -894,11 +895,8 @@ void lmPostGC(struct lbuf * bp)
* the first transaction entering group commit
* will elect herself as new group leader.
*/
else {
else
log->cflag &= ~logGC_PAGEOUT;
clear_bit(log_FLUSH, &log->flag);
WARN_ON(log->flush_tblk);
}
//LOGGC_UNLOCK(log);
spin_unlock_irqrestore(&log->gclock, flags);
......
......@@ -518,16 +518,17 @@ void txEnd(tid_t tid)
/*
* mark the tblock not active
*/
--log->active;
if (--log->active == 0) {
clear_bit(log_FLUSH, &log->flag);
/*
* synchronize with logsync barrier
*/
if (test_bit(log_SYNCBARRIER, &log->flag) && log->active == 0) {
if (test_bit(log_SYNCBARRIER, &log->flag)) {
/* forward log syncpt */
/* lmSync(log); */
jfs_info(" log barrier off: 0x%x", log->lsn);
jfs_info("log barrier off: 0x%x", log->lsn);
/* enable new transactions start */
clear_bit(log_SYNCBARRIER, &log->flag);
......@@ -535,6 +536,7 @@ void txEnd(tid_t tid)
/* wakeup all waitors for logsync barrier */
TXN_WAKEUP(&log->syncwait);
}
}
/*
* wakeup all waitors for a free tblock
......
......@@ -98,7 +98,6 @@ void sysfs_remove_dir(struct kobject * kobj)
* Unlink and unhash.
*/
spin_unlock(&dcache_lock);
d_delete(d);
simple_unlink(dentry->d_inode,d);
dput(d);
spin_lock(&dcache_lock);
......@@ -108,16 +107,11 @@ void sysfs_remove_dir(struct kobject * kobj)
}
spin_unlock(&dcache_lock);
up(&dentry->d_inode->i_sem);
d_invalidate(dentry);
simple_rmdir(parent->d_inode,dentry);
d_delete(dentry);
simple_rmdir(parent->d_inode,dentry);
pr_debug(" o %s removing done (%d)\n",dentry->d_name.name,
atomic_read(&dentry->d_count));
/**
* Drop reference from initial sysfs_get_dentry().
*/
dput(dentry);
/**
* Drop reference from dget() on entrance.
......
......@@ -93,19 +93,14 @@ void sysfs_hash_and_remove(struct dentry * dir, const char * name)
/* make sure dentry is really there */
if (victim->d_inode &&
(victim->d_parent->d_inode == dir->d_inode)) {
simple_unlink(dir->d_inode,victim);
d_delete(victim);
pr_debug("sysfs: Removing %s (%d)\n", victim->d_name.name,
atomic_read(&victim->d_count));
/*
* Drop reference from initial sysfs_get_dentry().
*/
dput(victim);
}
/**
* Drop the reference acquired from sysfs_get_dentry() above.
simple_unlink(dir->d_inode,victim);
}
/*
* Drop reference from sysfs_get_dentry() above.
*/
dput(victim);
}
......
......@@ -79,6 +79,8 @@ struct bus_type {
extern int bus_register(struct bus_type * bus);
extern void bus_unregister(struct bus_type * bus);
extern int bus_rescan_devices(struct bus_type * bus);
extern struct bus_type * get_bus(struct bus_type * bus);
extern void put_bus(struct bus_type * bus);
......
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