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Staging: altpciechdma: checkpatch fixups

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Signed-off-by: Erik Andrén <erik.andren@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Erik Andrén 2009-03-19 21:47:12 +01:00 committed by Greg Kroah-Hartman
parent 2c77cb3e05
commit c9b8015b07
1 changed files with 31 additions and 33 deletions
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30
drivers/staging/altpciechdma/altpciechdma.c
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@ -320,7 +320,8 @@ static int __devinit map_bars(struct ape_dev *ape, struct pci_dev *dev)
/* BAR length is less than driver requires? */
if (bar_length < bar_min_len[i]) {
printk(KERN_DEBUG "BAR #%d length = %lu bytes but driver "
"requires at least %lu bytes\n", i, bar_length, bar_min_len[i]);
"requires at least %lu bytes\n",
i, bar_length, bar_min_len[i]);
rc = -1;
goto fail;
}
@ -466,15 +467,14 @@ static inline int compare(u32 *p, u32 *q, int len)
} else {
fail++;
/* show the first few miscompares */
if (fail < 10) {
if (fail < 10)
printk(KERN_DEBUG "[%p] = 0x%08x != [%p] = 0x%08x ?!\n", p, *p, q, *q);
/* but stop after a while */
} else if (fail == 10) {
else if (fail == 10)
printk(KERN_DEBUG "---more errors follow! not printed---\n");
} else {
else
/* stop compare after this many errors */
break;
}
}
p++;
q++;
@ -564,9 +564,8 @@ static int __devinit dma_test(struct ape_dev *ape, struct pci_dev *dev)
/* read 8192 bytes from RC buffer to EP address 4096 */
ape_chdma_desc_set(&ape->table_virt->desc[n], buffer_bus, 4096, 2 * PAGE_SIZE);
#if 1
for (i = 0; i < 255; i++) {
for (i = 0; i < 255; i++)
ape_chdma_desc_set(&ape->table_virt->desc[i], buffer_bus, 4096, 2 * PAGE_SIZE);
}
/* index of last descriptor */
n = i - 1;
#endif
@ -660,9 +659,9 @@ static int __devinit dma_test(struct ape_dev *ape, struct pci_dev *dev)
n = 0;
ape_chdma_desc_set(&ape->table_virt->desc[n], buffer_bus + 8192, 4096, 2 * PAGE_SIZE);
#if 1
for (i = 0; i < 255; i++) {
for (i = 0; i < 255; i++)
ape_chdma_desc_set(&ape->table_virt->desc[i], buffer_bus + 8192, 4096, 2 * PAGE_SIZE);
}
/* index of last descriptor */
n = i - 1;
#endif
@ -690,7 +689,7 @@ static int __devinit dma_test(struct ape_dev *ape, struct pci_dev *dev)
w = (u32)(n + 1);
/* enable updates of eplast for each descriptor completion */
w |= (u32)(1UL << 18)/*global EPLAST_EN*/;
#if 0 // test variable, make a module option later
#if 0 /* test variable, make a module option later */
/* enable MSI for each descriptor completion */
if (ape->msi_enabled)
w |= (1UL << 17)/*global MSI*/;
@ -714,7 +713,7 @@ static int __devinit dma_test(struct ape_dev *ape, struct pci_dev *dev)
/** memory write barrier */
wmb();
/** dummy read to flush posted writes */
//(void)ioread32();
/* (void) ioread32(); */
printk(KERN_DEBUG "POLL FOR WRITE:\n");
/* poll for completion, 1000 times 1 millisecond */
@ -843,7 +842,7 @@ static int __devinit probe(struct pci_dev *dev, const struct pci_device_id *id)
}
ape->got_regions = 1;
#if 1 // @todo For now, disable 64-bit, because I do not understand the implications (DAC!)
#if 1 /* @todo For now, disable 64-bit, because I do not understand the implications (DAC!) */
/* query for DMA transfer */
/* @see Documentation/PCI/PCI-DMA-mapping.txt */
if (!pci_set_dma_mask(dev, DMA_64BIT_MASK)) {
@ -1048,10 +1047,9 @@ static ssize_t sg_write(struct file *file, const char __user *buf, size_t count,
printk(KERN_DEBUG DRV_NAME "_write(buf=0x%p, count=%lld, pos=%llu)\n",
buf, (s64)count, (u64)*pos);
/* TODO transfer boundaries at PAGE_SIZE granularity */
while (remaining > 0)
{
while (remaining > 0) {
/* limit DMA transfer size */
transfer_len = (remaining < APE_CHDMA_MAX_TRANSFER_LEN)? remaining:
transfer_len = (remaining < APE_CHDMA_MAX_TRANSFER_LEN) ? remaining :
APE_CHDMA_MAX_TRANSFER_LEN;
/* get all user space buffer pages and create a scattergather list */
sgm_map_user_pages(ape->sgm, transfer_addr, transfer_len, 0/*read from userspace*/);
@ -1085,7 +1083,7 @@ static ssize_t sg_write(struct file *file, const char __user *buf, size_t count,
/*
* character device file operations
*/
static struct file_operations sg_fops = {
static const struct file_operations sg_fops = {
.owner = THIS_MODULE,
.open = sg_open,
.release = sg_close,