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of: GPIO: Fix OF probing on little-endian systems

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

Signed-off-by: Michal Simek <monstr@monstr.eu>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
This commit is contained in:
Michal Simek 2010-09-29 15:52:12 +10:00 committed by Grant Likely
parent 899611ee7d
commit a04e78b857
1 changed files with 3 additions and 3 deletions
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6
drivers/gpio/xilinx_gpio.c
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@ -171,13 +171,13 @@ static int __devinit xgpio_of_probe(struct device_node *np)
/* Update GPIO state shadow register with default value */ /* Update GPIO state shadow register with default value */
tree_info = of_get_property(np, "xlnx,dout-default", NULL); tree_info = of_get_property(np, "xlnx,dout-default", NULL);
if (tree_info) if (tree_info)
chip->gpio_state = *tree_info; chip->gpio_state = be32_to_cpup(tree_info);
/* Update GPIO direction shadow register with default value */ /* Update GPIO direction shadow register with default value */
chip->gpio_dir = 0xFFFFFFFF; /* By default, all pins are inputs */ chip->gpio_dir = 0xFFFFFFFF; /* By default, all pins are inputs */
tree_info = of_get_property(np, "xlnx,tri-default", NULL); tree_info = of_get_property(np, "xlnx,tri-default", NULL);
if (tree_info) 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 */ /* Check device node and parent device node for device width */
chip->mmchip.gc.ngpio = 32; /* By default assume full GPIO controller */ 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, tree_info = of_get_property(np->parent,
"xlnx,gpio-width", NULL); "xlnx,gpio-width", NULL);
if (tree_info) if (tree_info)
chip->mmchip.gc.ngpio = *tree_info; chip->mmchip.gc.ngpio = be32_to_cpup(tree_info);
spin_lock_init(&chip->gpio_lock); spin_lock_init(&chip->gpio_lock);