kernel/i8042-set-up-shared-ps2_cmd_mutex-for-aux-ports.patch
2016-08-24 09:11:15 -05:00

35 lines
1.2 KiB
Diff

From 47af45d684b5f3ae000ad448db02ce4f13f73273 Mon Sep 17 00:00:00 2001
From: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Date: Tue, 16 Aug 2016 17:38:54 -0700
Subject: Input: i8042 - set up shared ps2_cmd_mutex for AUX ports
The commit 4097461897df ("Input: i8042 - break load dependency ...")
correctly set up ps2_cmd_mutex pointer for the KBD port but forgot to do
the same for AUX port(s), which results in communication on KBD and AUX
ports to clash with each other.
Fixes: 4097461897df ("Input: i8042 - break load dependency ...")
Reported-by: Bruno Wolff III <bruno@wolff.to>
Tested-by: Bruno Wolff III <bruno@wolff.to>
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
---
drivers/input/serio/i8042.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/input/serio/i8042.c b/drivers/input/serio/i8042.c
index b4d3408..405252a 100644
--- a/drivers/input/serio/i8042.c
+++ b/drivers/input/serio/i8042.c
@@ -1305,6 +1305,7 @@ static int __init i8042_create_aux_port(int idx)
serio->write = i8042_aux_write;
serio->start = i8042_start;
serio->stop = i8042_stop;
+ serio->ps2_cmd_mutex = &i8042_mutex;
serio->port_data = port;
serio->dev.parent = &i8042_platform_device->dev;
if (idx < 0) {
--
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