RE: [PATCH V2 1/1] Drivers: input: serio: New driver to supportHyper-V synthetic keyboard

From: KY Srinivasan
Date: Wed Sep 18 2013 - 19:28:18 EST




> -----Original Message-----
> From: Dmitry Torokhov [mailto:dmitry.torokhov@xxxxxxxxx]
> Sent: Wednesday, September 18, 2013 2:01 PM
> To: KY Srinivasan
> Cc: gregkh@xxxxxxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx;
> devel@xxxxxxxxxxxxxxxxxxxxxx; olaf@xxxxxxxxx; apw@xxxxxxxxxxxxx;
> jasowang@xxxxxxxxxx; dan.carpenter@xxxxxxxxxx; linux-
> input@xxxxxxxxxxxxxxx; vojtech@xxxxxxx
> Subject: Re: [PATCH V2 1/1] Drivers: input: serio: New driver to support Hyper-V
> synthetic keyboard
>
> Hi K.Y.,
>
> On Tue, Sep 17, 2013 at 04:26:58PM -0700, K. Y. Srinivasan wrote:
> > Add a new driver to support synthetic keyboard. On the next generation
> > Hyper-V guest firmware, many legacy devices will not be emulated and this
> > driver will be required.
> >
> > I would like to thank Vojtech Pavlik <vojtech@xxxxxxx> for helping me with the
> > details of the AT keyboard driver. I would also like to thank
> > Dan Carpenter <dan.carpenter@xxxxxxxxxx> and
> > Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx> for their detailed review of
> this
> > driver.
> >
> > I have addressed all the comments of Dan and Dmitry in this version of
> > the patch
>
> This looks much better. Could you tell me if the patch below (on top of
> yours) still works?
>
> Thanks.

Thank you. The code looks much better now. You forgot to initialize the port_data and
after I fixed that everything seems to work as it did before: Here is the patch I used:

> -----Original Message-----
> From: K. Y. Srinivasan [mailto:kys@xxxxxxxxxxxxx]
> Sent: Wednesday, September 18, 2013 4:50 PM
> To: KY Srinivasan
> Subject: [PATCH 1/1] Drivers: input: serio: hyper-V: Initialize the port data
> correctly
>
>
> Signed-off-by: K. Y. Srinivasan <kys@xxxxxxxxxxxxx>
> ---
> drivers/input/serio/hyperv-keyboard.c | 1 +
> 1 files changed, 1 insertions(+), 0 deletions(-)
>
> diff --git a/drivers/input/serio/hyperv-keyboard.c b/drivers/input/serio/hyperv-
> keyboard.c
> index 401fbdd..aff4152 100644
> --- a/drivers/input/serio/hyperv-keyboard.c
> +++ b/drivers/input/serio/hyperv-keyboard.c
> @@ -351,6 +351,7 @@ static int hv_kbd_probe(struct hv_device *hv_dev,
>
> hv_serio->dev.parent = &hv_dev->device;
> hv_serio->id.type = SERIO_8042_XL;
> + hv_serio->port_data = kbd_dev;
> strlcpy(hv_serio->name, dev_name(&hv_dev->device),
> sizeof(hv_serio->name));
> strlcpy(hv_serio->phys, dev_name(&hv_dev->device),
> --
> 1.7.4.1


Once again; thank you for all your help.

Regards,

K. Y

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