Rename pv_reg to io_base to follow kernel naming style and improve
readability.

No functional changes intended.

Signed-off-by: Onish Sharma <neharora23587@gmail.com>
---
Changes in v3:
- Added mandatory Signed-off-by line.
- Rename pv_reg to io_base to remove hungarian notation

 drivers/staging/sm750fb/sm750.c    |  4 ++--
 drivers/staging/sm750fb/sm750.h    |  2 +-
 drivers/staging/sm750fb/sm750_hw.c | 12 ++++++------
 3 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/drivers/staging/sm750fb/sm750.c b/drivers/staging/sm750fb/sm750.c
index 716a8935f58d..c2d2864f135b 100644
--- a/drivers/staging/sm750fb/sm750.c
+++ b/drivers/staging/sm750fb/sm750.c
@@ -743,7 +743,7 @@ static int lynxfb_set_fbinfo(struct fb_info *info, int index)
 	 * must be set after crtc member initialized
 	 */
 	crtc->cursor.offset = crtc->o_screen + crtc->vidmem_size - 1024;
-	crtc->cursor.mmio = sm750_dev->pv_reg +
+	crtc->cursor.mmio = sm750_dev->io_base +
 		0x800f0 + (int)crtc->channel * 0x140;
 
 	crtc->cursor.max_h = 64;
@@ -1047,7 +1047,7 @@ static void lynxfb_pci_remove(struct pci_dev *pdev)
 	sm750fb_framebuffer_release(sm750_dev);
 	arch_phys_wc_del(sm750_dev->mtrr.vram);
 
-	iounmap(sm750_dev->pv_reg);
+	iounmap(sm750_dev->io_base);
 	iounmap(sm750_dev->vmem);
 	pci_release_region(pdev, 1);
 	kfree(g_settings);
diff --git a/drivers/staging/sm750fb/sm750.h b/drivers/staging/sm750fb/sm750.h
index e8885133da2e..c42800313c6a 100644
--- a/drivers/staging/sm750fb/sm750.h
+++ b/drivers/staging/sm750fb/sm750.h
@@ -97,7 +97,7 @@ struct sm750_dev {
 	unsigned long vidreg_start;
 	__u32 vidmem_size;
 	__u32 vidreg_size;
-	void __iomem *pv_reg;
+	void __iomem *io_base;
 	unsigned char __iomem *vmem;
 	/* locks*/
 	spinlock_t slock;
diff --git a/drivers/staging/sm750fb/sm750_hw.c b/drivers/staging/sm750fb/sm750_hw.c
index 95f797e5776a..dc1118808b4f 100644
--- a/drivers/staging/sm750fb/sm750_hw.c
+++ b/drivers/staging/sm750fb/sm750_hw.c
@@ -23,18 +23,18 @@ int hw_sm750_map(struct sm750_dev *sm750_dev, struct pci_dev *pdev)
 	}
 
 	/* now map mmio and vidmem */
-	sm750_dev->pv_reg =
+	sm750_dev->io_base =
 		ioremap(sm750_dev->vidreg_start, sm750_dev->vidreg_size);
-	if (!sm750_dev->pv_reg) {
+	if (!sm750_dev->io_base) {
 		dev_err(&pdev->dev, "mmio failed\n");
 		ret = -EFAULT;
 		goto err_release_region;
 	}
 
-	sm750_dev->accel.dpr_base = sm750_dev->pv_reg + DE_BASE_ADDR_TYPE1;
-	sm750_dev->accel.dp_port_base = sm750_dev->pv_reg + DE_PORT_ADDR_TYPE1;
+	sm750_dev->accel.dpr_base = sm750_dev->io_base + DE_BASE_ADDR_TYPE1;
+	sm750_dev->accel.dp_port_base = sm750_dev->io_base + DE_PORT_ADDR_TYPE1;
 
-	mmio750 = sm750_dev->pv_reg;
+	mmio750 = sm750_dev->io_base;
 	sm750_set_chip_type(sm750_dev->devid, sm750_dev->revid);
 
 	sm750_dev->vidmem_start = pci_resource_start(pdev, 0);
@@ -58,7 +58,7 @@ int hw_sm750_map(struct sm750_dev *sm750_dev, struct pci_dev *pdev)
 	return 0;
 
 err_unmap_reg:
-	iounmap(sm750_dev->pv_reg);
+	iounmap(sm750_dev->io_base);
 err_release_region:
 	pci_release_region(pdev, 1);
 	return ret;
-- 
2.54.0