diff options
author | Michal Simek <monstr@monstr.eu> | 2010-09-29 01:52:12 -0400 |
---|---|---|
committer | Grant Likely <grant.likely@secretlab.ca> | 2010-09-29 02:28:08 -0400 |
commit | a04e78b8579272c37c42a9badb6dae71f38fe4a9 (patch) | |
tree | 9d68419ada3b3d457237f9ad67e82e3d9340fd97 /drivers/gpio/xilinx_gpio.c | |
parent | 899611ee7d373e5eeda08e9a8632684e1ebbbf00 (diff) |
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>
Diffstat (limited to 'drivers/gpio/xilinx_gpio.c')
-rw-r--r-- | 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 709690995d0d..846fbd5e31bf 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) | |||
171 | /* Update GPIO state shadow register with default value */ | 171 | /* Update GPIO state shadow register with default value */ |
172 | tree_info = of_get_property(np, "xlnx,dout-default", NULL); | 172 | tree_info = of_get_property(np, "xlnx,dout-default", NULL); |
173 | if (tree_info) | 173 | if (tree_info) |
174 | chip->gpio_state = *tree_info; | 174 | chip->gpio_state = be32_to_cpup(tree_info); |
175 | 175 | ||
176 | /* Update GPIO direction shadow register with default value */ | 176 | /* Update GPIO direction shadow register with default value */ |
177 | chip->gpio_dir = 0xFFFFFFFF; /* By default, all pins are inputs */ | 177 | chip->gpio_dir = 0xFFFFFFFF; /* By default, all pins are inputs */ |
178 | tree_info = of_get_property(np, "xlnx,tri-default", NULL); | 178 | tree_info = of_get_property(np, "xlnx,tri-default", NULL); |
179 | if (tree_info) | 179 | if (tree_info) |
180 | chip->gpio_dir = *tree_info; | 180 | chip->gpio_dir = be32_to_cpup(tree_info); |
181 | 181 | ||
182 | /* Check device node and parent device node for device width */ | 182 | /* Check device node and parent device node for device width */ |
183 | chip->mmchip.gc.ngpio = 32; /* By default assume full GPIO controller */ | 183 | 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) | |||
186 | tree_info = of_get_property(np->parent, | 186 | tree_info = of_get_property(np->parent, |
187 | "xlnx,gpio-width", NULL); | 187 | "xlnx,gpio-width", NULL); |
188 | if (tree_info) | 188 | if (tree_info) |
189 | chip->mmchip.gc.ngpio = *tree_info; | 189 | chip->mmchip.gc.ngpio = be32_to_cpup(tree_info); |
190 | 190 | ||
191 | spin_lock_init(&chip->gpio_lock); | 191 | spin_lock_init(&chip->gpio_lock); |
192 | 192 | ||