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Date:	Thu, 01 Jul 2010 10:18:01 +0800
From:	Axel Lin <>
To:	linux-kernel <>
Cc:	Mattia Dongili <>,
	Matthew Garrett <>,
	Len Brown <>,
	Andrew Morton <>,
	Stefani Seibold <>,
	Andi Kleen <>,
Subject: [PATCH] sony-laptop: use platform_device_unregister in

platform_device_unregister calls platform_device_del and platform_device_put,
thus this change is logically equivalent to original code.

I made this change because the documents in platform.c shows that:
platform_device_del and platform_device_put must _only_ be externally called
in error cases.  All other usage is a bug.

Signed-off-by: Axel Lin <>
 drivers/platform/x86/sony-laptop.c |    3 +--
 1 files changed, 1 insertions(+), 2 deletions(-)

diff --git a/drivers/platform/x86/sony-laptop.c b/drivers/platform/x86/sony-laptop.c
index 1387c5f..6b7ea49 100644
--- a/drivers/platform/x86/sony-laptop.c
+++ b/drivers/platform/x86/sony-laptop.c
@@ -561,8 +561,7 @@ static void sony_pf_remove(void)
 	if (!atomic_dec_and_test(&sony_pf_users))
-	platform_device_del(sony_pf_device);
-	platform_device_put(sony_pf_device);
+	platform_device_unregister(sony_pf_device);

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