From: "Hervé Poussineau" <hpoussin@reactos.org>
To: "Hervé Poussineau" <hpoussin@reactos.org>,
qemu-devel@nongnu.org, "Paolo Bonzini" <pbonzini@redhat.com>,
"Michael S. Tsirkin" <mst@redhat.com>
Cc: Geoffrey McRae <geoff@hostfission.com>,
qemu-ppc@nongnu.org, Gerd Hoffmann <kraxel@redhat.com>
Subject: Re: [Qemu-devel] [PATCH-for-3.1] [REGRESSION FIX] ps2kbd: default to scan enabled after reset
Date: Thu, 22 Nov 2018 19:30:41 +0100 [thread overview]
Message-ID: <f76a4a06-a4e2-0b2d-eca6-56562fc2e907@reactos.org> (raw)
In-Reply-To: <f68ff89b-e156-2386-11ba-d17e5356bc8c@reactos.org>
Ping again.
Le 18/11/2018 à 11:09, Hervé Poussineau a écrit :
> Ping again.
>
> v3.0 didn't contain 143c04c7e0639e53086519592ead15d2556bfbf2, so this commit fixes a regression.
>
> Le 10/11/2018 à 21:53, Hervé Poussineau a écrit :
>> Ping.
>>
>> Le 21/10/2018 à 21:07, Hervé Poussineau a écrit :
>>> A check for scan_enabled has been added to ps2_keyboard_event in commit
>>> 143c04c7e0639e53086519592ead15d2556bfbf2 to prevent stream corruption.
>>> This works well as long as operating system is resetting keyboard, or enabling it.
>>>
>>> This fixes IBM 40p firmware, which doesn't bother sending KBD_CMD_RESET,
>>> KBD_CMD_ENABLE or KBD_CMD_RESET_ENABLE before trying to use the keyboard.
>>>
>>> Signed-off-by: Hervé Poussineau <hpoussin@reactos.org>
>>> ---
>>> hw/input/ps2.c | 2 +-
>>> 1 file changed, 1 insertion(+), 1 deletion(-)
>>>
>>> diff --git a/hw/input/ps2.c b/hw/input/ps2.c
>>> index fdfcadf9a1..eded4f0f8d 100644
>>> --- a/hw/input/ps2.c
>>> +++ b/hw/input/ps2.c
>>> @@ -938,7 +938,7 @@ static void ps2_kbd_reset(void *opaque)
>>> trace_ps2_kbd_reset(opaque);
>>> ps2_common_reset(&s->common);
>>> - s->scan_enabled = 0;
>>> + s->scan_enabled = 1;
>>> s->translate = 0;
>>> s->scancode_set = 2;
>>> s->modifiers = 0;
>>>
>>
>
>
next prev parent reply other threads:[~2018-11-22 18:31 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-10-21 19:07 [Qemu-devel] [PATCH] ps2kbd: default to scan enabled after reset Hervé Poussineau
2018-11-10 20:53 ` Hervé Poussineau
2018-11-18 10:09 ` [Qemu-devel] [PATCH-for-3.1] " Hervé Poussineau
2018-11-22 18:30 ` Hervé Poussineau [this message]
2018-11-23 6:25 ` [Qemu-devel] [PATCH-for-3.1] [REGRESSION FIX] " Gerd Hoffmann
2018-11-10 21:25 ` [Qemu-devel] [PATCH] " Philippe Mathieu-Daudé
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