On Wednesday, July 09, 2014 10:27:25 AM Zhang Rui wrote:
> On Tue, 2014-07-08 at 22:50 +0200, Rafael J. Wysocki wrote:
> > On Wednesday, July 02, 2014 10:01:53 PM Zhang Rui wrote:
> > > From c2ee1886ba230d9d93d2ea2f350b1dc1a2d5ead5 Mon Sep 17 00:00:00 2001
> > > From: Jin Yao <[email protected]>
> > > Date: Thu, 26 Jun 2014 10:26:44 +0800
> > > Subject: [PATCH] soc_button_array: fix the issue that button device can't
> > > be
> > > enumerated since 3.16-rc1
> >
> > Hi Rui,
> >
> > For 3.16 I'm afraid we need to add the missing device ID to the PNP list.
> > It is too late to do the conversion at this point IMO and we can do it
> > later.
>
> Okay, then please take the patch below.
>
> From 846c16d9d863723ef9a2d9722778bce0633ea24c Mon Sep 17 00:00:00 2001
> From: Zhang Rui <[email protected]>
> Date: Wed, 9 Jul 2014 10:19:38 +0800
> Subject: [PATCH] ACPI: add soc_button_array device id in acpi_pnp id list
>
> soc_button_array pnp driver is introduced in 3.15.
> But in commit eec15edbb0e14485998635ea7c62e30911b465f0,
> when reworking the PNPACPI device enumeration, we missed
> the soc_button_array device id.
>
> This results in a regression in 3.16-rc1 that soc_button_array
> pnp device fails to be enumerated.
>
> Fix the problem by adding soc_button_array device id into the
> acpi_pnp scan handler id list.
>
> Signed-off-by: Zhang Rui <[email protected]>
Queued up as a fix for 3.16, thanks!
> ---
> drivers/acpi/acpi_pnp.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/drivers/acpi/acpi_pnp.c b/drivers/acpi/acpi_pnp.c
> index 6703c1f..4ddb0dc 100644
> --- a/drivers/acpi/acpi_pnp.c
> +++ b/drivers/acpi/acpi_pnp.c
> @@ -14,6 +14,8 @@
> #include <linux/module.h>
>
> static const struct acpi_device_id acpi_pnp_device_ids[] = {
> + /* soc_button_array */
> + {"PNP0C40"},
> /* pata_isapnp */
> {"PNP0600"}, /* Generic ESDI/IDE/ATA compatible hard disk
> controller */
> /* floppy */
>
--
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.
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