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From: Abhilash Kesavan <a.kesavan@samsung.com>
To: kgene.kim@samsung.com, linux-arm-kernel@lists.infradead.org,
	arm@kernel.org, arnd@arndb.de, khilman@kernel.org,
	olof@lixom.net
Cc: linux-samsung-soc@vger.kernel.org, kesavan.abhilash@gmail.com,
	sudeep.holla@arm.com, nicolas.pitre@linaro.org,
	Punit.Agrawal@arm.com, Will.Deacon@arm.com, Mark.Rutland@arm.com,
	k.kozlowski@samsung.com
Subject: [PATCH 1/2] drivers: bus: check cci device tree node status
Date: Sat, 10 Jan 2015 08:41:35 +0530	[thread overview]
Message-ID: <1420859496-27533-1-git-send-email-a.kesavan@samsung.com> (raw)

The arm-cci driver completes the probe sequence even if the cci node is
marked as disabled. Add a check in the driver to honour the cci status
in the device tree.

Signed-off-by: Abhilash Kesavan <a.kesavan@samsung.com>
Acked-by: Sudeep Holla <sudeep.holla@arm.com>
Acked-by: Nicolas Pitre <nico@linaro.org>
Tested-by: Sudeep Holla <sudeep.holla@arm.com>
Tested-by: Kevin Hilman <khilman@linaro.org>
---
Changes:
	- Re-sending without the RFT tags

 drivers/bus/arm-cci.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/bus/arm-cci.c b/drivers/bus/arm-cci.c
index 860da40..0ce5e2d 100644
--- a/drivers/bus/arm-cci.c
+++ b/drivers/bus/arm-cci.c
@@ -1312,6 +1312,9 @@ static int cci_probe(void)
 	if (!np)
 		return -ENODEV;
 
+	if (!of_device_is_available(np))
+		return -ENODEV;
+
 	cci_config = of_match_node(arm_cci_matches, np)->data;
 	if (!cci_config)
 		return -ENODEV;
-- 
2.2.0

WARNING: multiple messages have this Message-ID (diff)
From: a.kesavan@samsung.com (Abhilash Kesavan)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 1/2] drivers: bus: check cci device tree node status
Date: Sat, 10 Jan 2015 08:41:35 +0530	[thread overview]
Message-ID: <1420859496-27533-1-git-send-email-a.kesavan@samsung.com> (raw)

The arm-cci driver completes the probe sequence even if the cci node is
marked as disabled. Add a check in the driver to honour the cci status
in the device tree.

Signed-off-by: Abhilash Kesavan <a.kesavan@samsung.com>
Acked-by: Sudeep Holla <sudeep.holla@arm.com>
Acked-by: Nicolas Pitre <nico@linaro.org>
Tested-by: Sudeep Holla <sudeep.holla@arm.com>
Tested-by: Kevin Hilman <khilman@linaro.org>
---
Changes:
	- Re-sending without the RFT tags

 drivers/bus/arm-cci.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/bus/arm-cci.c b/drivers/bus/arm-cci.c
index 860da40..0ce5e2d 100644
--- a/drivers/bus/arm-cci.c
+++ b/drivers/bus/arm-cci.c
@@ -1312,6 +1312,9 @@ static int cci_probe(void)
 	if (!np)
 		return -ENODEV;
 
+	if (!of_device_is_available(np))
+		return -ENODEV;
+
 	cci_config = of_match_node(arm_cci_matches, np)->data;
 	if (!cci_config)
 		return -ENODEV;
-- 
2.2.0

             reply	other threads:[~2015-01-10  3:19 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-01-10  3:11 Abhilash Kesavan [this message]
2015-01-10  3:11 ` [PATCH 1/2] drivers: bus: check cci device tree node status Abhilash Kesavan
2015-01-10  3:11 ` [PATCH 2/2] arm: dts: disable CCI on exynos420 based arndale-octa Abhilash Kesavan
2015-01-10  3:11   ` Abhilash Kesavan
2015-01-13  2:05   ` Olof Johansson
2015-01-13  2:05     ` Olof Johansson

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