rtc-bq4802: Fix sparse warnings.

As reported by Harvey Harrison.

Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 5 insertions, 4 deletions

diff --git a/drivers/rtc/rtc-bq4802.c b/drivers/rtc/rtc-bq4802.c
index 541580cb6df4..189a018bdf34 100644
--- a/drivers/rtc/rtc-bq4802.c
+++ b/drivers/rtc/rtc-bq4802.c
@@ -17,6 +17,7 @@ MODULE_LICENSE("GPL");
 
 struct bq4802 {
         void __iomem            *regs;
+        unsigned long           ioport;
         struct rtc_device       *rtc;
         spinlock_t              lock;
         struct resource         *r;
@@ -26,12 +27,12 @@ struct bq4802 {
 
 static u8 bq4802_read_io(struct bq4802 *p, int off)
 {
-        return inb(p->regs + off);
+        return inb(p->ioport + off);
 }
 
 static void bq4802_write_io(struct bq4802 *p, int off, u8 val)
 {
-        return outb(val, p->regs + off);
+        outb(val, p->ioport + off);
 }
 
 static u8 bq4802_read_mem(struct bq4802 *p, int off)
@@ -41,7 +42,7 @@ static u8 bq4802_read_mem(struct bq4802 *p, int off)
 
 static void bq4802_write_mem(struct bq4802 *p, int off, u8 val)
 {
-        return writeb(val, p->regs + off);
+        writeb(val, p->regs + off);
 }
 
 static int bq4802_read_time(struct device *dev, struct rtc_time *tm)
@@ -156,7 +157,7 @@ static int __devinit bq4802_probe(struct platform_device *pdev)
                         goto out_free;
         }
         if (p->r->flags & IORESOURCE_IO) {
-                p->regs = (void __iomem *) p->r->start;
+                p->ioport = p->r->start;
                 p->read = bq4802_read_io;
                 p->write = bq4802_write_io;
         } else if (p->r->flags & IORESOURCE_MEM) {