Staging: altpciechdma: checkpatch fixups

Signed-off-by: Erik Andrén <erik.andren@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/staging/altpciechdma/altpciechdma.c

@@ -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,