linux-kernel - Re: linux-next: build warnings after merge of the libata tree

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Date:	Mon, 02 Jul 2012 12:31:19 +0800
From:	Lin Ming <ming.m.lin@...el.com>
To:	Stephen Rothwell <sfr@...b.auug.org.au>
Cc:	Jeff Garzik <jeff@...zik.org>, linux-next@...r.kernel.org,
	linux-kernel@...r.kernel.org, Matthew Garrett <mjg@...hat.com>,
	Holger Macht <holger@...ac.de>
Subject: Re: linux-next: build warnings after merge of the libata tree

On Mon, 2012-07-02 at 13:54 +1000, Stephen Rothwell wrote:
> Hi Lin,
> 
> On Mon, 02 Jul 2012 11:21:58 +0800 Lin Ming <ming.m.lin@...el.com> wrote:
> >
> > Could you please send me your ppc64 .config?
> > I'll do cross build on my x86 machine.
> 
> Please just look at the code added in drivers/ata/libata.h.  Hint: what
> happens if CONFIG_ATA_ACPI is *not* defined?
> 

Hi Stephen,

Could you pick below fix?
Thanks.

>From cc270d0b3b132a37290db5fe3941361243540a18 Mon Sep 17 00:00:00 2001
From: Lin Ming <ming.m.lin@...el.com>
Date: Mon, 2 Jul 2012 12:20:39 +0800
Subject: [PATCH] libata-acpi: add missing inlines in libata.h

Adds inline for ata_acpi_unregister/ata_acpi_bind/ata_acpi_unbind
in drivers/ata/libata.h for !CONFIG_ATA_ACPI to fix below warnings.

warning: 'ata_acpi_unregister' defined but not used [-Wunused-function]
warning: 'ata_acpi_bind' defined but not used [-Wunused-function]
warning: 'ata_acpi_unbind' defined but not used [-Wunused-function]

Reported-by: Stephen Rothwell <sfr@...b.auug.org.au>
Signed-off-by: Lin Ming <ming.m.lin@...el.com>
---
 drivers/ata/libata.h |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/ata/libata.h b/drivers/ata/libata.h
index 44a7939..50e4dff 100644
--- a/drivers/ata/libata.h
+++ b/drivers/ata/libata.h
@@ -131,9 +131,9 @@ static inline void ata_acpi_on_disable(struct ata_device *dev) { }
 static inline void ata_acpi_set_state(struct ata_port *ap,
 				      pm_message_t state) { }
 static inline int ata_acpi_register(void) { return 0; }
-static void ata_acpi_unregister(void) { }
-static void ata_acpi_bind(struct ata_device *dev) { }
-static void ata_acpi_unbind(struct ata_device *dev) { }
+static inline void ata_acpi_unregister(void) { }
+static inline void ata_acpi_bind(struct ata_device *dev) { }
+static inline void ata_acpi_unbind(struct ata_device *dev) { }
 #endif
 
 /* libata-scsi.c */
-- 
1.7.2.5




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