Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit a04e78b8 authored by Michal Simek's avatar Michal Simek Committed by Grant Likely
Browse files

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: default avatarMichal Simek <monstr@monstr.eu>
Signed-off-by: default avatarGrant Likely <grant.likely@secretlab.ca>
parent 899611ee

drivers/gpio/xilinx_gpio.c

+3 −3
Original line number Diff line number Diff line
@@ -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);