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path: root/drivers/input/serio/libps2.c
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Diffstat (limited to 'drivers/input/serio/libps2.c')
-rw-r--r--drivers/input/serio/libps2.c31
1 files changed, 16 insertions, 15 deletions
diff --git a/drivers/input/serio/libps2.c b/drivers/input/serio/libps2.c
index 21aea5169a99..c3712f0a47b5 100644
--- a/drivers/input/serio/libps2.c
+++ b/drivers/input/serio/libps2.c
@@ -34,7 +34,7 @@ MODULE_LICENSE("GPL");
* ps2_sendbyte() can only be called from a process context.
*/
-int ps2_sendbyte(struct ps2dev *ps2dev, unsigned char byte, int timeout)
+int ps2_sendbyte(struct ps2dev *ps2dev, u8 byte, unsigned int timeout)
{
serio_pause_rx(ps2dev->serio);
ps2dev->nak = 1;
@@ -75,7 +75,7 @@ EXPORT_SYMBOL(ps2_end_command);
* and discards them.
*/
-void ps2_drain(struct ps2dev *ps2dev, int maxbytes, int timeout)
+void ps2_drain(struct ps2dev *ps2dev, size_t maxbytes, unsigned int timeout)
{
if (maxbytes > sizeof(ps2dev->cmdbuf)) {
WARN_ON(1);
@@ -102,9 +102,9 @@ EXPORT_SYMBOL(ps2_drain);
* known keyboard IDs.
*/
-int ps2_is_keyboard_id(char id_byte)
+bool ps2_is_keyboard_id(u8 id_byte)
{
- static const char keyboard_ids[] = {
+ static const u8 keyboard_ids[] = {
0xab, /* Regular keyboards */
0xac, /* NCD Sun keyboard */
0x2b, /* Trust keyboard, translated */
@@ -123,7 +123,8 @@ EXPORT_SYMBOL(ps2_is_keyboard_id);
* completion.
*/
-static int ps2_adjust_timeout(struct ps2dev *ps2dev, int command, int timeout)
+static int ps2_adjust_timeout(struct ps2dev *ps2dev,
+ unsigned int command, unsigned int timeout)
{
switch (command) {
case PS2_CMD_RESET_BAT:
@@ -178,11 +179,11 @@ static int ps2_adjust_timeout(struct ps2dev *ps2dev, int command, int timeout)
* ps2_command() can only be called from a process context
*/
-int __ps2_command(struct ps2dev *ps2dev, unsigned char *param, int command)
+int __ps2_command(struct ps2dev *ps2dev, u8 *param, unsigned int command)
{
- int timeout;
- int send = (command >> 12) & 0xf;
- int receive = (command >> 8) & 0xf;
+ unsigned int timeout;
+ unsigned int send = (command >> 12) & 0xf;
+ unsigned int receive = (command >> 8) & 0xf;
int rc = -1;
int i;
@@ -256,7 +257,7 @@ int __ps2_command(struct ps2dev *ps2dev, unsigned char *param, int command)
}
EXPORT_SYMBOL(__ps2_command);
-int ps2_command(struct ps2dev *ps2dev, unsigned char *param, int command)
+int ps2_command(struct ps2dev *ps2dev, u8 *param, unsigned int command)
{
int rc;
@@ -286,7 +287,7 @@ EXPORT_SYMBOL(ps2_init);
* to properly process ACK/NAK of a command from a PS/2 device.
*/
-int ps2_handle_ack(struct ps2dev *ps2dev, unsigned char data)
+bool ps2_handle_ack(struct ps2dev *ps2dev, u8 data)
{
switch (data) {
case PS2_RET_ACK:
@@ -318,7 +319,7 @@ int ps2_handle_ack(struct ps2dev *ps2dev, unsigned char data)
}
/* Fall through */
default:
- return 0;
+ return false;
}
if (!ps2dev->nak) {
@@ -333,7 +334,7 @@ int ps2_handle_ack(struct ps2dev *ps2dev, unsigned char data)
if (data != PS2_RET_ACK)
ps2_handle_response(ps2dev, data);
- return 1;
+ return true;
}
EXPORT_SYMBOL(ps2_handle_ack);
@@ -343,7 +344,7 @@ EXPORT_SYMBOL(ps2_handle_ack);
* waiting for completion of the command.
*/
-int ps2_handle_response(struct ps2dev *ps2dev, unsigned char data)
+bool ps2_handle_response(struct ps2dev *ps2dev, u8 data)
{
if (ps2dev->cmdcnt)
ps2dev->cmdbuf[--ps2dev->cmdcnt] = data;
@@ -359,7 +360,7 @@ int ps2_handle_response(struct ps2dev *ps2dev, unsigned char data)
wake_up(&ps2dev->wait);
}
- return 1;
+ return true;
}
EXPORT_SYMBOL(ps2_handle_response);