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 <yao.jin@xxxxxxxxxxxxxxx>
> > 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 <rui.zhang@xxxxxxxxx>
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 <rui.zhang@xxxxxxxxx>
---
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 */
--
1.8.3.2
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