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-rw-r--r--arch/cris/include/arch-v32/arch/io.h20
1 files changed, 12 insertions, 8 deletions
diff --git a/arch/cris/include/arch-v32/arch/io.h b/arch/cris/include/arch-v32/arch/io.h
index 72024452cea9..adc5484351bf 100644
--- a/arch/cris/include/arch-v32/arch/io.h
+++ b/arch/cris/include/arch-v32/arch/io.h
@@ -46,10 +46,12 @@ static inline void crisv32_io_set(struct crisv32_iopin *iopin, int val)
46 unsigned long flags; 46 unsigned long flags;
47 spin_lock_irqsave(&iopin->port->lock, flags); 47 spin_lock_irqsave(&iopin->port->lock, flags);
48 48
49 if (val) 49 if (iopin->port->data) {
50 *iopin->port->data |= iopin->bit; 50 if (val)
51 else 51 *iopin->port->data |= iopin->bit;
52 *iopin->port->data &= ~iopin->bit; 52 else
53 *iopin->port->data &= ~iopin->bit;
54 }
53 55
54 spin_unlock_irqrestore(&iopin->port->lock, flags); 56 spin_unlock_irqrestore(&iopin->port->lock, flags);
55} 57}
@@ -60,10 +62,12 @@ static inline void crisv32_io_set_dir(struct crisv32_iopin* iopin,
60 unsigned long flags; 62 unsigned long flags;
61 spin_lock_irqsave(&iopin->port->lock, flags); 63 spin_lock_irqsave(&iopin->port->lock, flags);
62 64
63 if (dir == crisv32_io_dir_in) 65 if (iopin->port->oe) {
64 *iopin->port->oe &= ~iopin->bit; 66 if (dir == crisv32_io_dir_in)
65 else 67 *iopin->port->oe &= ~iopin->bit;
66 *iopin->port->oe |= iopin->bit; 68 else
69 *iopin->port->oe |= iopin->bit;
70 }
67 71
68 spin_unlock_irqrestore(&iopin->port->lock, flags); 72 spin_unlock_irqrestore(&iopin->port->lock, flags);
69} 73}