This is a note to let you know that I've just added the patch titled
Input: tca8418_keypad - remove double read of key event register
to the 4.9-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
input-tca8418_keypad-remove-double-read-of-key-event-register.patch
and it can be found in the queue-4.9 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 9dd46c02532a6bed6240101ecf4bbc407f8c6adf Mon Sep 17 00:00:00 2001
From: Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx>
Date: Mon, 13 Feb 2017 15:45:59 -0800
Subject: Input: tca8418_keypad - remove double read of key event register
From: Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx>
commit 9dd46c02532a6bed6240101ecf4bbc407f8c6adf upstream.
There is no need to tread the same register twice in a row.
Fixes: ea4348c8462a ("Input: tca8418_keypad - hide gcc-4.9 -Wmaybe-un ...")
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx>
Cc: Ben Hutchings <ben.hutchings@xxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/input/keyboard/tca8418_keypad.c | 2 --
1 file changed, 2 deletions(-)
--- a/drivers/input/keyboard/tca8418_keypad.c
+++ b/drivers/input/keyboard/tca8418_keypad.c
@@ -189,8 +189,6 @@ static void tca8418_read_keypad(struct t
input_event(input, EV_MSC, MSC_SCAN, code);
input_report_key(input, keymap[code], state);
- /* Read for next loop */
- error = tca8418_read_byte(keypad_data, REG_KEY_EVENT_A, ®);
} while (1);
input_sync(input);
Patches currently in stable-queue which might be from dmitry.torokhov@xxxxxxxxx are
queue-4.9/input-tca8418_keypad-remove-double-read-of-key-event-register.patch
queue-4.9/input-matrix_keypad-fix-race-when-disabling-interrupts.patch