mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-10-04 08:08:54 +00:00
of: GPIO: Fix OF probing on little-endian systems
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:
parent
899611ee7d
commit
a04e78b857
1 changed files with 3 additions and 3 deletions
|
@ -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);
|
||||||
|
|
||||||
|
|
Loading…
Reference in a new issue