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-rw-r--r--drivers/input/keyboard/spear-keyboard.c30
1 files changed, 15 insertions, 15 deletions
diff --git a/drivers/input/keyboard/spear-keyboard.c b/drivers/input/keyboard/spear-keyboard.c
index 45dd02cbcaa0..10dda9f8e706 100644
--- a/drivers/input/keyboard/spear-keyboard.c
+++ b/drivers/input/keyboard/spear-keyboard.c
@@ -27,9 +27,9 @@
#include <plat/keyboard.h>
/* Keyboard Registers */
-#define MODE_REG 0x00 /* 16 bit reg */
-#define STATUS_REG 0x0C /* 2 bit reg */
-#define DATA_REG 0x10 /* 8 bit reg */
+#define MODE_REG 0x00
+#define STATUS_REG 0x0C
+#define DATA_REG 0x10
#define INTR_MASK 0x54
/* Register Values */
@@ -72,9 +72,9 @@ static irqreturn_t spear_kbd_interrupt(int irq, void *dev_id)
struct spear_kbd *kbd = dev_id;
struct input_dev *input = kbd->input;
unsigned int key;
- u8 sts, val;
+ u32 sts, val;
- sts = readb(kbd->io_base + STATUS_REG);
+ sts = readl_relaxed(kbd->io_base + STATUS_REG);
if (!(sts & DATA_AVAIL))
return IRQ_NONE;
@@ -84,7 +84,7 @@ static irqreturn_t spear_kbd_interrupt(int irq, void *dev_id)
}
/* following reads active (row, col) pair */
- val = readb(kbd->io_base + DATA_REG);
+ val = readl_relaxed(kbd->io_base + DATA_REG);
key = kbd->keycodes[val];
input_event(input, EV_MSC, MSC_SCAN, val);
@@ -94,7 +94,7 @@ static irqreturn_t spear_kbd_interrupt(int irq, void *dev_id)
kbd->last_key = key;
/* clear interrupt */
- writeb(0, kbd->io_base + STATUS_REG);
+ writel_relaxed(0, kbd->io_base + STATUS_REG);
return IRQ_HANDLED;
}
@@ -103,7 +103,7 @@ static int spear_kbd_open(struct input_dev *dev)
{
struct spear_kbd *kbd = input_get_drvdata(dev);
int error;
- u16 val;
+ u32 val;
kbd->last_key = KEY_RESERVED;
@@ -114,13 +114,13 @@ static int spear_kbd_open(struct input_dev *dev)
/* program keyboard */
val = SCAN_RATE_80 | MODE_KEYBOARD | PCLK_FREQ_MSK |
(kbd->mode << KEY_MATRIX_SHIFT);
- writew(val, kbd->io_base + MODE_REG);
- writeb(1, kbd->io_base + STATUS_REG);
+ writel_relaxed(val, kbd->io_base + MODE_REG);
+ writel_relaxed(1, kbd->io_base + STATUS_REG);
/* start key scan */
- val = readw(kbd->io_base + MODE_REG);
+ val = readl_relaxed(kbd->io_base + MODE_REG);
val |= START_SCAN;
- writew(val, kbd->io_base + MODE_REG);
+ writel_relaxed(val, kbd->io_base + MODE_REG);
return 0;
}
@@ -128,12 +128,12 @@ static int spear_kbd_open(struct input_dev *dev)
static void spear_kbd_close(struct input_dev *dev)
{
struct spear_kbd *kbd = input_get_drvdata(dev);
- u16 val;
+ u32 val;
/* stop key scan */
- val = readw(kbd->io_base + MODE_REG);
+ val = readl_relaxed(kbd->io_base + MODE_REG);
val &= ~START_SCAN;
- writew(val, kbd->io_base + MODE_REG);
+ writel_relaxed(val, kbd->io_base + MODE_REG);
clk_disable(kbd->clk);