linux-kernel - [PATCH] platform: dell: all DELL_WMI driver options depend on DELL

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Message-Id: <20210927205354.19342-1-rdunlap@infradead.org>
Date:   Mon, 27 Sep 2021 13:53:54 -0700
From:   Randy Dunlap <rdunlap@...radead.org>
To:     linux-kernel@...r.kernel.org
Cc:     Randy Dunlap <rdunlap@...radead.org>,
        Perry Yuan <Perry.Yuan@...l.com>, Dell.Client.Kernel@...l.com,
        platform-driver-x86@...r.kernel.org,
        Hans de Goede <hdegoede@...hat.com>,
        Mark Gross <mgross@...ux.intel.com>
Subject: [PATCH] platform: dell: all DELL_WMI driver options depend on DELL_WMI

A randconfig or a user can set/enable DELL_WMI_PRIVACY even when
DELL_WMI is not enabled. This leads to a build error in
dell-laptop.o:

ld: drivers/platform/x86/dell/dell-laptop.o: in function `dell_init':
dell-laptop.c:(.init.text+0x719): undefined reference to `dell_privacy_has_mic_mute'

Fix this by enclosing the DELL_WMI driver options inside a
if DELL_WMI / endif bracket.

Signed-off-by: Randy Dunlap <rdunlap@...radead.org>
Cc: Perry Yuan <Perry.Yuan@...l.com>
Cc: Dell.Client.Kernel@...l.com
Cc: platform-driver-x86@...r.kernel.org
Cc: Hans de Goede <hdegoede@...hat.com>
Cc: Mark Gross <mgross@...ux.intel.com>
---
Found in linux-next, applies to mainline.

The last time that I sent a patch to Perry Yuan (about 2 weeks ago),
it bounced...

 drivers/platform/x86/dell/Kconfig |    4 ++++
 1 file changed, 4 insertions(+)

--- linux-next-20210927.orig/drivers/platform/x86/dell/Kconfig
+++ linux-next-20210927/drivers/platform/x86/dell/Kconfig
@@ -164,6 +164,8 @@ config DELL_WMI
 	  To compile this driver as a module, choose M here: the module will
 	  be called dell-wmi.
 
+if DELL_WMI
+
 config DELL_WMI_PRIVACY
 	bool "Dell WMI Hardware Privacy Support"
 	depends on LEDS_TRIGGER_AUDIO = y || DELL_WMI = LEDS_TRIGGER_AUDIO
@@ -198,6 +200,8 @@ config DELL_WMI_LED
 	  This adds support for the Latitude 2100 and similar
 	  notebooks that have an external LED.
 
+endif # DELL_WMI
+
 config DELL_WMI_SYSMAN
 	tristate "Dell WMI-based Systems management driver"
 	default m