linux-kernel - [PATCH, RESEND] ACPI: Fix CONFIG_ACPI

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Message-Id: <201111022016.05979.bvanassche@acm.org>
Date:	Wed, 2 Nov 2011 20:16:05 +0100
From:	Bart Van Assche <bvanassche@....org>
To:	linux-acpi@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, Len Brown <len.brown@...el.com>,
	Vasiliy Kulikov <segoon@...nwall.com>,
	Jeff Garzik <jgarzik@...hat.com>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: [PATCH, RESEND] ACPI: Fix CONFIG_ACPI_DOCK=n compiler warning

Recently the ACPI ops structs were constified but the inline version
of register_hotplug_dock_device() was overlooked (see also commit
9c8b04b, June 25 2011). Update the inline function
register_hotplug_dock_device() that is enabled with
CONFIG_ACPI_DOCK=n too. This patch fixes at least the following
compiler warnings:

drivers/ata/libata-acpi.c: In function .ata_acpi_associate.:
drivers/ata/libata-acpi.c:266:11: warning: passing argument 2 of .register_hotplug_dock_device. discards qualifiers from pointer target type
include/acpi/acpi_drivers.h:146:19: note: expected .struct acpi_dock_ops *. but argument is of type .const struct acpi_dock_ops *.
drivers/ata/libata-acpi.c:275:11: warning: passing argument 2 of .register_hotplug_dock_device. discards qualifiers from pointer target type
include/acpi/acpi_drivers.h:146:19: note: expected .struct acpi_dock_ops *. but argument is of type .const struct acpi_dock_ops *.

Cc: Len Brown <len.brown@...el.com>
Cc: Vasiliy Kulikov <segoon@...nwall.com>
Cc: Jeff Garzik <jgarzik@...hat.com>
Cc: Andrew Morton <akpm@...ux-foundation.org>
Cc: stable@...r.kernel.org
---
 include/acpi/acpi_drivers.h |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/include/acpi/acpi_drivers.h b/include/acpi/acpi_drivers.h
index e49c36d..bb145e4 100644
--- a/include/acpi/acpi_drivers.h
+++ b/include/acpi/acpi_drivers.h
@@ -144,7 +144,7 @@ static inline void unregister_dock_notifier(struct notifier_block *nb)
 {
 }
 static inline int register_hotplug_dock_device(acpi_handle handle,
-					       struct acpi_dock_ops *ops,
+					       const struct acpi_dock_ops *ops,
 					       void *context)
 {
 	return -ENODEV;
-- 
1.7.3.4
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