int saa7146_wait_for_debi_done(struct saa7146_dev *dev, int nobusyloop)
{
unsigned long start;
+ int err;
/* wait for registers to be programmed */
start = jiffies;
while (1) {
- if (saa7146_read(dev, MC2) & 2)
- break;
- if (time_after(jiffies, start + HZ/20)) {
+ err = time_after(jiffies, start + HZ/20);
+ if (saa7146_read(dev, MC2) & 2)
+ break;
+ if (err) {
DEB_S(("timed out while waiting for registers getting programmed\n"));
return -ETIMEDOUT;
}
/* wait for transfer to complete */
start = jiffies;
while (1) {
+ err = time_after(jiffies, start + HZ/4);
if (!(saa7146_read(dev, PSR) & SPCI_DEBI_S))
break;
saa7146_read(dev, MC2);
- if (time_after(jiffies, start + HZ/4)) {
+ if (err) {
DEB_S(("timed out while waiting for transfer completion\n"));
return -ETIMEDOUT;
}
struct page *pg;
int i;
- sglist = kmalloc(sizeof(struct scatterlist)*nr_pages, GFP_KERNEL);
+ sglist = kcalloc(nr_pages, sizeof(struct scatterlist), GFP_KERNEL);
if (NULL == sglist)
return NULL;
- memset(sglist,0,sizeof(struct scatterlist)*nr_pages);
for (i = 0; i < nr_pages; i++, virt += PAGE_SIZE) {
pg = vmalloc_to_page(virt);
if (NULL == pg)
return;
pci_free_consistent(pci, pt->size, pt->cpu, pt->dma);
pt->cpu = NULL;
- if (NULL != pt->slist) {
- kfree(pt->slist);
- pt->slist = NULL;
- }
+ kfree(pt->slist);
+ pt->slist = NULL;
}
int saa7146_pgtable_alloc(struct pci_dev *pci, struct saa7146_pgtable *pt)
{
- u32 *cpu;
- dma_addr_t dma_addr;
+ u32 *cpu;
+ dma_addr_t dma_addr;
cpu = pci_alloc_consistent(pci, PAGE_SIZE, &dma_addr);
if (NULL == cpu) {
struct saa7146_dev *dev;
int err = -ENOMEM;
- dev = kmalloc(sizeof(struct saa7146_dev), GFP_KERNEL);
+ /* clear out mem for sure */
+ dev = kzalloc(sizeof(struct saa7146_dev), GFP_KERNEL);
if (!dev) {
ERR(("out of memory.\n"));
goto out;
}
- /* clear out mem for sure */
- memset(dev, 0x0, sizeof(struct saa7146_dev));
-
DEB_EE(("pci:%p\n",pci));
err = pci_enable_device(pci);
pci_set_drvdata(pci, dev);
- init_MUTEX(&dev->lock);
+ init_MUTEX(&dev->lock);
spin_lock_init(&dev->int_slock);
spin_lock_init(&dev->slock);
ext->driver.remove = saa7146_remove_one;
printk("saa7146: register extension '%s'.\n",ext->name);
- return pci_module_init(&ext->driver);
+ return pci_register_driver(&ext->driver);
}
int saa7146_unregister_extension(struct saa7146_extension* ext)