Commit 8c70aac0 authored by Linus Torvalds's avatar Linus Torvalds
Browse files

Merge branch 'staging-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging-2.6

* 'staging-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging-2.6:
  zcache: Fix build error when sysfs is not defined
  zcache: Use div_u64 for 64-bit division
  staging:rts_pstor: fix thread synchronization flow
  drivers:staging:solo6x10:add the missed slab.h
  staging: zcache: include module.h for MODULE_LICENSE
  drivers/staging/hv/blkvsc_drv.c: eliminate NULL pointer dereference
  Staging: Add clk API note to nvec/TODO
  drivers/staging/ath6kl/miscdrv/ar3kps/ar3kpsparser.c: adjust array index
  staging: more missing slab.h inclusions
  drivers/staging/solo6x10/p2m.c needs slab.h
  drivers/staging/solo6x10/core.c needs slab.h
  drivers/staging/dt3155v4l/dt3155v4l.c needs slab.h
  drivers/staging/speakup/devsynth.c: fix "buffer size is not provably correct" error
  Staging: iio: add some unlocks to raw_read() functions
  staging: ft1000_proc needs asm/io.h for inw/outw on sparc
  staging: rtl8192u: declare MODULE_FIRMWARE
  gma500: Fix clashes with DRM updates
  staging: zcache: module is GPL
  staging: fix zcache building
parents 06e727d2 d8c778fd
......@@ -812,7 +812,7 @@ int AthCreateCommandList(struct ps_cmd_packet **HciPacketList, u32 *numPackets)
for(count = 0; count < Patch_Count; count++) {
AR_DEBUG_PRINTF(ATH_DEBUG_ERR,("Freeing Patch Buffer %d \r\n",count));
kfree(RamPatch[Patch_Count].Data);
kfree(RamPatch[count].Data);
}
for(count = 0; count < Tag_Count; count++) {
......
......@@ -22,6 +22,7 @@
#include <linux/stringify.h>
#include <linux/delay.h>
#include <linux/kthread.h>
#include <linux/slab.h>
#include <media/v4l2-dev.h>
#include <media/v4l2-ioctl.h>
#include <media/videobuf2-dma-contig.h>
......
......@@ -22,6 +22,7 @@
#include <linux/string.h>
#include <linux/vmalloc.h>
#include <linux/netdevice.h>
#include <asm/io.h>
#include <asm/uaccess.h>
#include "ft1000.h"
......
......@@ -325,7 +325,7 @@ static int blkvsc_do_operation(struct block_device_context *blkdev,
page_buf = alloc_page(GFP_KERNEL);
if (!page_buf) {
kmem_cache_free(blkvsc_req->dev->request_pool, blkvsc_req);
kmem_cache_free(blkdev->request_pool, blkvsc_req);
return -ENOMEM;
}
......@@ -422,7 +422,7 @@ cleanup:
__free_page(page_buf);
kmem_cache_free(blkvsc_req->dev->request_pool, blkvsc_req);
kmem_cache_free(blkdev->request_pool, blkvsc_req);
return ret;
}
......
......@@ -311,13 +311,17 @@ static int adis16203_read_raw(struct iio_dev *indio_dev,
mutex_lock(&indio_dev->mlock);
addr = adis16203_addresses[chan->address][0];
ret = adis16203_spi_read_reg_16(indio_dev, addr, &val16);
if (ret)
if (ret) {
mutex_unlock(&indio_dev->mlock);
return ret;
}
if (val16 & ADIS16203_ERROR_ACTIVE) {
ret = adis16203_check_status(indio_dev);
if (ret)
if (ret) {
mutex_unlock(&indio_dev->mlock);
return ret;
}
}
val16 = val16 & ((1 << chan->scan_type.realbits) - 1);
if (chan->scan_type.sign == 's')
......
......@@ -341,13 +341,17 @@ static int adis16204_read_raw(struct iio_dev *indio_dev,
mutex_lock(&indio_dev->mlock);
addr = adis16204_addresses[chan->address][0];
ret = adis16204_spi_read_reg_16(indio_dev, addr, &val16);
if (ret)
if (ret) {
mutex_unlock(&indio_dev->mlock);
return ret;
}
if (val16 & ADIS16204_ERROR_ACTIVE) {
ret = adis16204_check_status(indio_dev);
if (ret)
if (ret) {
mutex_unlock(&indio_dev->mlock);
return ret;
}
}
val16 = val16 & ((1 << chan->scan_type.realbits) - 1);
if (chan->scan_type.sign == 's')
......
......@@ -337,13 +337,17 @@ static int adis16209_read_raw(struct iio_dev *indio_dev,
mutex_lock(&indio_dev->mlock);
addr = adis16209_addresses[chan->address][0];
ret = adis16209_spi_read_reg_16(indio_dev, addr, &val16);
if (ret)
if (ret) {
mutex_unlock(&indio_dev->mlock);
return ret;
}
if (val16 & ADIS16209_ERROR_ACTIVE) {
ret = adis16209_check_status(indio_dev);
if (ret)
if (ret) {
mutex_unlock(&indio_dev->mlock);
return ret;
}
}
val16 = val16 & ((1 << chan->scan_type.realbits) - 1);
if (chan->scan_type.sign == 's')
......
......@@ -370,13 +370,17 @@ static int adis16240_read_raw(struct iio_dev *indio_dev,
mutex_lock(&indio_dev->mlock);
addr = adis16240_addresses[chan->address][0];
ret = adis16240_spi_read_reg_16(indio_dev, addr, &val16);
if (ret)
if (ret) {
mutex_unlock(&indio_dev->mlock);
return ret;
}
if (val16 & ADIS16240_ERROR_ACTIVE) {
ret = adis16240_check_status(indio_dev);
if (ret)
if (ret) {
mutex_unlock(&indio_dev->mlock);
return ret;
}
}
val16 = val16 & ((1 << chan->scan_type.realbits) - 1);
if (chan->scan_type.sign == 's')
......
......@@ -446,13 +446,17 @@ static int adis16260_read_raw(struct iio_dev *indio_dev,
mutex_lock(&indio_dev->mlock);
addr = adis16260_addresses[chan->address][0];
ret = adis16260_spi_read_reg_16(indio_dev, addr, &val16);
if (ret)
if (ret) {
mutex_unlock(&indio_dev->mlock);
return ret;
}
if (val16 & ADIS16260_ERROR_ACTIVE) {
ret = adis16260_check_status(indio_dev);
if (ret)
if (ret) {
mutex_unlock(&indio_dev->mlock);
return ret;
}
}
val16 = val16 & ((1 << chan->scan_type.realbits) - 1);
if (chan->scan_type.sign == 's')
......
......@@ -4,5 +4,7 @@ ToDo list (incomplete, unordered)
- add compile as module support
- move nvec devices to mfd cells?
- adjust to kernel style
- fix clk usage
should not be using clk_get_sys(), but clk_get(&pdev->dev, conn)
where conn is either NULL if the device only has one clock, or
the device specific name if it has multiple clocks.
......@@ -399,10 +399,7 @@ download_firmware_fail:
}
MODULE_FIRMWARE("RTL8192U/boot.img");
MODULE_FIRMWARE("RTL8192U/main.img");
MODULE_FIRMWARE("RTL8192U/data.img");
......@@ -66,12 +66,6 @@ static int msi_en;
module_param(msi_en, int, S_IRUGO | S_IWUSR);
MODULE_PARM_DESC(msi_en, "enable msi");
/* These are used to make sure the module doesn't unload before all the
* threads have exited.
*/
static atomic_t total_threads = ATOMIC_INIT(0);
static DECLARE_COMPLETION(threads_gone);
static irqreturn_t rtsx_interrupt(int irq, void *dev_id);
/***********************************************************************
......@@ -192,7 +186,7 @@ static int queuecommand_lck(struct scsi_cmnd *srb,
/* enqueue the command and wake up the control thread */
srb->scsi_done = done;
chip->srb = srb;
up(&(dev->sema));
complete(&dev->cmnd_ready);
return 0;
}
......@@ -475,7 +469,7 @@ static int rtsx_control_thread(void *__dev)
current->flags |= PF_NOFREEZE;
for (;;) {
if (down_interruptible(&dev->sema))
if (wait_for_completion_interruptible(&dev->cmnd_ready))
break;
/* lock the device pointers */
......@@ -557,8 +551,6 @@ SkipForAbort:
mutex_unlock(&dev->dev_mutex);
} /* for (;;) */
scsi_host_put(host);
/* notify the exit routine that we're actually exiting now
*
* complete()/wait_for_completion() is similar to up()/down(),
......@@ -573,7 +565,7 @@ SkipForAbort:
* This is important in preemption kernels, which transfer the flow
* of execution immediately upon a complete().
*/
complete_and_exit(&threads_gone, 0);
complete_and_exit(&dev->control_exit, 0);
}
......@@ -581,7 +573,6 @@ static int rtsx_polling_thread(void *__dev)
{
struct rtsx_dev *dev = (struct rtsx_dev *)__dev;
struct rtsx_chip *chip = dev->chip;
struct Scsi_Host *host = rtsx_to_host(dev);
struct sd_info *sd_card = &(chip->sd_card);
struct xd_info *xd_card = &(chip->xd_card);
struct ms_info *ms_card = &(chip->ms_card);
......@@ -621,8 +612,7 @@ static int rtsx_polling_thread(void *__dev)
mutex_unlock(&dev->dev_mutex);
}
scsi_host_put(host);
complete_and_exit(&threads_gone, 0);
complete_and_exit(&dev->polling_exit, 0);
}
/*
......@@ -699,29 +689,38 @@ static void rtsx_release_resources(struct rtsx_dev *dev)
{
printk(KERN_INFO "-- %s\n", __func__);
/* Tell the control thread to exit. The SCSI host must
* already have been removed so it won't try to queue
* any more commands.
*/
printk(KERN_INFO "-- sending exit command to thread\n");
complete(&dev->cmnd_ready);
if (dev->ctl_thread)
wait_for_completion(&dev->control_exit);
if (dev->polling_thread)
wait_for_completion(&dev->polling_exit);
wait_timeout(200);
if (dev->rtsx_resv_buf) {
dma_free_coherent(&(dev->pci->dev), HOST_CMDS_BUF_LEN,
dma_free_coherent(&(dev->pci->dev), RTSX_RESV_BUF_LEN,
dev->rtsx_resv_buf, dev->rtsx_resv_buf_addr);
dev->chip->host_cmds_ptr = NULL;
dev->chip->host_sg_tbl_ptr = NULL;
}
pci_disable_device(dev->pci);
pci_release_regions(dev->pci);
if (dev->irq > 0) {
if (dev->irq > 0)
free_irq(dev->irq, (void *)dev);
}
if (dev->chip->msi_en) {
if (dev->chip->msi_en)
pci_disable_msi(dev->pci);
}
if (dev->remap_addr)
iounmap(dev->remap_addr);
/* Tell the control thread to exit. The SCSI host must
* already have been removed so it won't try to queue
* any more commands.
*/
printk(KERN_INFO "-- sending exit command to thread\n");
up(&dev->sema);
pci_disable_device(dev->pci);
pci_release_regions(dev->pci);
rtsx_release_chip(dev->chip);
kfree(dev->chip);
}
/* First stage of disconnect processing: stop all commands and remove
......@@ -739,6 +738,7 @@ static void quiesce_and_remove_host(struct rtsx_dev *dev)
scsi_unlock(host);
mutex_unlock(&dev->dev_mutex);
wake_up(&dev->delay_wait);
wait_for_completion(&dev->scanning_done);
/* Wait some time to let other threads exist */
wait_timeout(100);
......@@ -793,8 +793,7 @@ static int rtsx_scan_thread(void *__dev)
/* Should we unbind if no devices were detected? */
}
scsi_host_put(rtsx_to_host(dev));
complete_and_exit(&threads_gone, 0);
complete_and_exit(&dev->scanning_done, 0);
}
static void rtsx_init_options(struct rtsx_chip *chip)
......@@ -941,8 +940,11 @@ static int __devinit rtsx_probe(struct pci_dev *pci, const struct pci_device_id
spin_lock_init(&dev->reg_lock);
mutex_init(&(dev->dev_mutex));
sema_init(&(dev->sema), 0);
init_completion(&dev->cmnd_ready);
init_completion(&dev->control_exit);
init_completion(&dev->polling_exit);
init_completion(&(dev->notify));
init_completion(&dev->scanning_done);
init_waitqueue_head(&dev->delay_wait);
dev->pci = pci;
......@@ -992,28 +994,22 @@ static int __devinit rtsx_probe(struct pci_dev *pci, const struct pci_device_id
pci_set_master(pci);
synchronize_irq(dev->irq);
err = scsi_add_host(host, &pci->dev);
if (err) {
printk(KERN_ERR "Unable to add the scsi host\n");
goto errout;
}
rtsx_init_chip(dev->chip);
/* Start up our control thread */
th = kthread_create(rtsx_control_thread, dev, CR_DRIVER_NAME);
th = kthread_run(rtsx_control_thread, dev, CR_DRIVER_NAME);
if (IS_ERR(th)) {
printk(KERN_ERR "Unable to start control thread\n");
err = PTR_ERR(th);
goto errout;
}
dev->ctl_thread = th;
/* Take a reference to the host for the control thread and
* count it among all the threads we have launched. Then
* start it up. */
scsi_host_get(rtsx_to_host(dev));
atomic_inc(&total_threads);
wake_up_process(th);
err = scsi_add_host(host, &pci->dev);
if (err) {
printk(KERN_ERR "Unable to add the scsi host\n");
goto errout;
}
/* Start up the thread for delayed SCSI-device scanning */
th = kthread_create(rtsx_scan_thread, dev, "rtsx-scan");
......@@ -1024,28 +1020,17 @@ static int __devinit rtsx_probe(struct pci_dev *pci, const struct pci_device_id
goto errout;
}
/* Take a reference to the host for the scanning thread and
* count it among all the threads we have launched. Then
* start it up. */
scsi_host_get(rtsx_to_host(dev));
atomic_inc(&total_threads);
wake_up_process(th);
/* Start up the thread for polling thread */
th = kthread_create(rtsx_polling_thread, dev, "rtsx-polling");
th = kthread_run(rtsx_polling_thread, dev, "rtsx-polling");
if (IS_ERR(th)) {
printk(KERN_ERR "Unable to start the device-polling thread\n");
quiesce_and_remove_host(dev);
err = PTR_ERR(th);
goto errout;
}
/* Take a reference to the host for the polling thread and
* count it among all the threads we have launched. Then
* start it up. */
scsi_host_get(rtsx_to_host(dev));
atomic_inc(&total_threads);
wake_up_process(th);
dev->polling_thread = th;
pci_set_drvdata(pci, dev);
......@@ -1108,16 +1093,6 @@ static void __exit rtsx_exit(void)
pci_unregister_driver(&driver);
/* Don't return until all of our control and scanning threads
* have exited. Since each thread signals threads_gone as its
* last act, we have to call wait_for_completion the right number
* of times.
*/
while (atomic_read(&total_threads) > 0) {
wait_for_completion(&threads_gone);
atomic_dec(&total_threads);
}
printk(KERN_INFO "%s module exit\n", CR_DRIVER_NAME);
}
......
......@@ -112,9 +112,16 @@ struct rtsx_dev {
/* locks */
spinlock_t reg_lock;
struct task_struct *ctl_thread; /* the control thread */
struct task_struct *polling_thread; /* the polling thread */
/* mutual exclusion and synchronization structures */
struct semaphore sema; /* to sleep thread on */
struct completion cmnd_ready; /* to sleep thread on */
struct completion control_exit; /* control thread exit */
struct completion polling_exit; /* polling thread exit */
struct completion notify; /* thread begin/end */
struct completion scanning_done; /* wait for scan thread */
wait_queue_head_t delay_wait; /* wait during scan, reset */
struct mutex dev_mutex;
......
......@@ -21,6 +21,7 @@
#include <linux/module.h>
#include <linux/pci.h>
#include <linux/interrupt.h>
#include <linux/slab.h>
#include <linux/videodev2.h>
#include "solo6x10.h"
#include "tw28.h"
......
......@@ -18,6 +18,7 @@
*/
#include <linux/kernel.h>
#include <linux/slab.h>
#include "solo6x10.h"
#include "osd-font.h"
......
......@@ -21,6 +21,7 @@
#include <linux/mempool.h>
#include <linux/poll.h>
#include <linux/kthread.h>
#include <linux/slab.h>
#include <linux/freezer.h>
#include <sound/core.h>
#include <sound/initval.h>
......
......@@ -18,6 +18,7 @@
*/
#include <linux/kernel.h>
#include <linux/slab.h>
#include <linux/scatterlist.h>
#include "solo6x10.h"
......
......@@ -28,6 +28,7 @@
#include <linux/list.h>
#include <linux/wait.h>
#include <linux/delay.h>
#include <linux/slab.h>
#include <asm/io.h>
#include <linux/atomic.h>
#include <linux/videodev2.h>
......
......@@ -18,13 +18,14 @@ static ssize_t speakup_file_write(struct file *fp, const char *buffer,
{
size_t count = nbytes;
const char *ptr = buffer;
int bytes;
size_t bytes;
unsigned long flags;
u_char buf[256];
if (synth == NULL)
return -ENODEV;
while (count > 0) {
bytes = min_t(size_t, count, sizeof(buf));
bytes = min(count, sizeof(buf));
if (copy_from_user(buf, ptr, bytes))
return -EFAULT;
count -= bytes;
......
zcache-y := tmem.o
zcache-y := zcache-main.o tmem.o
obj-$(CONFIG_ZCACHE) += zcache.o
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