linux-kernel - [PATCH V4 15/30] thermal: exynos: Return success even if no cooling data supplied

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Message-Id: <1368525540-15034-16-git-send-email-amit.daniel@samsung.com>
Date:	Tue, 14 May 2013 15:28:45 +0530
From:	Amit Daniel Kachhap <amit.daniel@...sung.com>
To:	linux-pm@...r.kernel.org
Cc:	Zhang Rui <rui.zhang@...el.com>, linux-samsung-soc@...r.kernel.org,
	linux-kernel@...r.kernel.org, amit.kachhap@...il.com,
	Kukjin Kim <kgene.kim@...sung.com>,
	Eduardo Valentin <eduardo.valentin@...com>
Subject: [PATCH V4 15/30] thermal: exynos: Return success even if no cooling data supplied

This patch removes the error return in the bind/unbind routine
as the platform may not register any cpufreq cooling data.

Acked-by: Kukjin Kim <kgene.kim@...sung.com>
Signed-off-by: Amit Daniel Kachhap <amit.daniel@...sung.com>
---
 drivers/thermal/samsung/exynos_thermal_common.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/thermal/samsung/exynos_thermal_common.c b/drivers/thermal/samsung/exynos_thermal_common.c
index 7064eb7..86d39aa 100644
--- a/drivers/thermal/samsung/exynos_thermal_common.c
+++ b/drivers/thermal/samsung/exynos_thermal_common.c
@@ -131,7 +131,7 @@ static int exynos_bind(struct thermal_zone_device *thermal,
 	tab_size = data->cooling_data.freq_clip_count;
 
 	if (tab_ptr == NULL || tab_size == 0)
-		return -EINVAL;
+		return 0;
 
 	/* find the cooling device registered*/
 	for (i = 0; i < th_zone->cool_dev_size; i++)
@@ -180,7 +180,7 @@ static int exynos_unbind(struct thermal_zone_device *thermal,
 	tab_size = data->cooling_data.freq_clip_count;
 
 	if (tab_size == 0)
-		return -EINVAL;
+		return 0;
 
 	/* find the cooling device registered*/
 	for (i = 0; i < th_zone->cool_dev_size; i++)
-- 
1.7.1

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