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Subject[PATCH 1/7] of: GPIO: Fix OF probing on little-endian systems
Date
DTB is always big-endian that's why is necessary
to convert it.

Signed-off-by: Michal Simek <monstr@monstr.eu>
CC: Grant Likely <grant.likely@secretlab.ca>
CC: Tejun Heo <tj@kernel.org>
CC: Anton Vorontsov <avorontsov@ru.mvista.com>
CC: linux-kernel@vger.kernel.org
CC: devicetree-discuss@lists.ozlabs.org
---
drivers/gpio/xilinx_gpio.c | 6 +++---
1 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/gpio/xilinx_gpio.c b/drivers/gpio/xilinx_gpio.c
index 7096909..846fbd5 100644
--- a/drivers/gpio/xilinx_gpio.c
+++ b/drivers/gpio/xilinx_gpio.c
@@ -171,13 +171,13 @@ static int __devinit xgpio_of_probe(struct device_node *np)
/* Update GPIO state shadow register with default value */
tree_info = of_get_property(np, "xlnx,dout-default", NULL);
if (tree_info)
- chip->gpio_state = *tree_info;
+ chip->gpio_state = be32_to_cpup(tree_info);

/* Update GPIO direction shadow register with default value */
chip->gpio_dir = 0xFFFFFFFF; /* By default, all pins are inputs */
tree_info = of_get_property(np, "xlnx,tri-default", NULL);
if (tree_info)
- chip->gpio_dir = *tree_info;
+ chip->gpio_dir = be32_to_cpup(tree_info);

/* Check device node and parent device node for device width */
chip->mmchip.gc.ngpio = 32; /* By default assume full GPIO controller */
@@ -186,7 +186,7 @@ static int __devinit xgpio_of_probe(struct device_node *np)
tree_info = of_get_property(np->parent,
"xlnx,gpio-width", NULL);
if (tree_info)
- chip->mmchip.gc.ngpio = *tree_info;
+ chip->mmchip.gc.ngpio = be32_to_cpup(tree_info);

spin_lock_init(&chip->gpio_lock);

--
1.5.5.1


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