Input: wacom - use get_unaligned to access unaligned data
Also get rid of wacom_le16_to_cpu() and wacom_be16_to_cpu() helpers and
ise le16_to_cpup() and be16_to_cpup() directly.
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
diff --git a/drivers/input/tablet/wacom_sys.c b/drivers/input/tablet/wacom_sys.c
index c37e22b..d90f4e0 100644
--- a/drivers/input/tablet/wacom_sys.c
+++ b/drivers/input/tablet/wacom_sys.c
@@ -100,20 +100,6 @@
__func__, retval);
}
-__u16 wacom_be16_to_cpu(unsigned char *data)
-{
- __u16 value;
- value = be16_to_cpu(*(__be16 *) data);
- return value;
-}
-
-__u16 wacom_le16_to_cpu(unsigned char *data)
-{
- __u16 value;
- value = le16_to_cpu(*(__le16 *) data);
- return value;
-}
-
static int wacom_open(struct input_dev *dev)
{
struct wacom *wacom = input_get_drvdata(dev);
@@ -210,9 +196,9 @@
features->device_type = BTN_TOOL_TRIPLETAP;
}
features->x_max =
- wacom_le16_to_cpu(&report[i + 3]);
+ get_unaligned_le16(&report[i + 3]);
features->x_phy =
- wacom_le16_to_cpu(&report[i + 6]);
+ get_unaligned_le16(&report[i + 6]);
features->unit = report[i + 9];
features->unitExpo = report[i + 11];
i += 12;
@@ -222,7 +208,7 @@
features->pktlen = WACOM_PKGLEN_GRAPHIRE;
features->device_type = BTN_TOOL_PEN;
features->x_max =
- wacom_le16_to_cpu(&report[i + 3]);
+ get_unaligned_le16(&report[i + 3]);
i += 4;
}
} else if (usage == WCM_DIGITIZER) {
@@ -244,15 +230,15 @@
features->pktlen = WACOM_PKGLEN_TPC2FG;
features->device_type = BTN_TOOL_TRIPLETAP;
features->y_max =
- wacom_le16_to_cpu(&report[i + 3]);
+ get_unaligned_le16(&report[i + 3]);
features->y_phy =
- wacom_le16_to_cpu(&report[i + 6]);
+ get_unaligned_le16(&report[i + 6]);
i += 7;
} else {
features->y_max =
features->x_max;
features->y_phy =
- wacom_le16_to_cpu(&report[i + 3]);
+ get_unaligned_le16(&report[i + 3]);
i += 4;
}
} else if (pen) {
@@ -261,7 +247,7 @@
features->pktlen = WACOM_PKGLEN_GRAPHIRE;
features->device_type = BTN_TOOL_PEN;
features->y_max =
- wacom_le16_to_cpu(&report[i + 3]);
+ get_unaligned_le16(&report[i + 3]);
i += 4;
}
}
@@ -280,7 +266,7 @@
case HID_USAGE_UNDEFINED:
if (usage == WCM_DESKTOP && finger) /* capacity */
features->pressure_max =
- wacom_le16_to_cpu(&report[i + 3]);
+ get_unaligned_le16(&report[i + 3]);
i += 4;
break;
}