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From: Michal Simek <michal.simek@xilinx.com>
To: linux-kernel@vger.kernel.org
Cc: Michal Simek <monstr@monstr.eu>,
	Michal Simek <michal.simek@xilinx.com>,
	Florian Tobias Schandinat <FlorianSchandinat@gmx.de>,
	Grant Likely <grant.likely@linaro.org>,
	Rob Herring <rob.herring@calxeda.com>,
	linux-fbdev@vger.kernel.org, devicetree-discuss@lists.ozlabs.org
Subject: [PATCH v2 1/3] video: xilinxfb: Fix OF probing on little-endian systems
Date: Thu, 30 May 2013 11:41:00 +0200	[thread overview]
Message-ID: <27e53d5633766ab0dc1ac492023d5a0d0199e3aa.1369906849.git.michal.simek@xilinx.com> (raw)

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From: Michal Simek <monstr@monstr.eu>

DTB is always big-endian that's why is necessary
to convert it.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
---
Changes in v2:
- use of_property_read_u32 helper function

 drivers/video/xilinxfb.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/drivers/video/xilinxfb.c b/drivers/video/xilinxfb.c
index af0b4fd..aecd15d 100644
--- a/drivers/video/xilinxfb.c
+++ b/drivers/video/xilinxfb.c
@@ -406,8 +406,7 @@ static int xilinxfb_release(struct device *dev)
 static int xilinxfb_of_probe(struct platform_device *op)
 {
 	const u32 *prop;
-	u32 *p;
-	u32 tft_access;
+	u32 tft_access = 0;
 	struct xilinxfb_platform_data pdata;
 	struct resource res;
 	int size, rc;
@@ -427,8 +426,8 @@ static int xilinxfb_of_probe(struct platform_device *op)
 	 * To check whether the core is connected directly to DCR or PLB
 	 * interface and initialize the tft_access accordingly.
 	 */
-	p = (u32 *)of_get_property(op->dev.of_node, "xlnx,dcr-splb-slave-if", NULL);
-	tft_access = p ? *p : 0;
+	of_property_read_u32(op->dev.of_node, "xlnx,dcr-splb-slave-if",
+			     &tft_access);

 	/*
 	 * Fill the resource structure if its direct PLB interface
--
1.8.2.3


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                 reply	other threads:[~2013-05-30  9:41 UTC|newest]

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