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parisc/gscps2: Fix sparse warnings 

Signed-off-by: Helge Deller <deller@gmx.de>
hifive-unleashed-5.1
Helge Deller 2018-03-04 21:00:39 +01:00
parent 2d76978d53
commit 3a67ca192c
1 changed files with 5 additions and 6 deletions
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11
drivers/input/serio/gscps2.c
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@ -91,7 +91,7 @@ struct gscps2port {
struct parisc_device *padev;
struct serio *port;
spinlock_t lock;
char *addr;
char __iomem *addr;
u8 act, append; /* position in buffer[] */
struct {
u8 data;
@ -114,7 +114,7 @@ struct gscps2port {
* wait_TBE() - wait for Transmit Buffer Empty
*/
static int wait_TBE(char *addr)
static int wait_TBE(char __iomem *addr)
{
int timeout = 25000; /* device is expected to react within 250 msec */
while (gscps2_readb_status(addr) & GSC_STAT_TBNE) {
@ -146,14 +146,14 @@ static void gscps2_flush(struct gscps2port *ps2port)
static inline int gscps2_writeb_output(struct gscps2port *ps2port, u8 data)
{
unsigned long flags;
char *addr = ps2port->addr;
char __iomem *addr = ps2port->addr;
if (!wait_TBE(addr)) {
printk(KERN_DEBUG PFX "timeout - could not write byte %#x\n", data);
return 0;
}
while (gscps2_readb_status(ps2port->addr) & GSC_STAT_RBNE)
while (gscps2_readb_status(addr) & GSC_STAT_RBNE)
/* wait */;
spin_lock_irqsave(&ps2port->lock, flags);
@ -200,13 +200,12 @@ static void gscps2_enable(struct gscps2port *ps2port, int enable)
static void gscps2_reset(struct gscps2port *ps2port)
{
char *addr = ps2port->addr;
unsigned long flags;
/* reset the interface */
spin_lock_irqsave(&ps2port->lock, flags);
gscps2_flush(ps2port);
writeb(0xff, addr+GSC_RESET);
writeb(0xff, ps2port->addr + GSC_RESET);
gscps2_flush(ps2port);
spin_unlock_irqrestore(&ps2port->lock, flags);
}