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path: root/drivers/gpio/xilinx_gpio.c
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Diffstat (limited to 'drivers/gpio/xilinx_gpio.c')
-rw-r--r--drivers/gpio/xilinx_gpio.c15
1 files changed, 6 insertions, 9 deletions
diff --git a/drivers/gpio/xilinx_gpio.c b/drivers/gpio/xilinx_gpio.c
index b8fa65b5bfca..709690995d0d 100644
--- a/drivers/gpio/xilinx_gpio.c
+++ b/drivers/gpio/xilinx_gpio.c
@@ -161,14 +161,12 @@ static void xgpio_save_regs(struct of_mm_gpio_chip *mm_gc)
161static int __devinit xgpio_of_probe(struct device_node *np) 161static int __devinit xgpio_of_probe(struct device_node *np)
162{ 162{
163 struct xgpio_instance *chip; 163 struct xgpio_instance *chip;
164 struct of_gpio_chip *ofchip;
165 int status = 0; 164 int status = 0;
166 const u32 *tree_info; 165 const u32 *tree_info;
167 166
168 chip = kzalloc(sizeof(*chip), GFP_KERNEL); 167 chip = kzalloc(sizeof(*chip), GFP_KERNEL);
169 if (!chip) 168 if (!chip)
170 return -ENOMEM; 169 return -ENOMEM;
171 ofchip = &chip->mmchip.of_gc;
172 170
173 /* Update GPIO state shadow register with default value */ 171 /* Update GPIO state shadow register with default value */
174 tree_info = of_get_property(np, "xlnx,dout-default", NULL); 172 tree_info = of_get_property(np, "xlnx,dout-default", NULL);
@@ -182,21 +180,20 @@ static int __devinit xgpio_of_probe(struct device_node *np)
182 chip->gpio_dir = *tree_info; 180 chip->gpio_dir = *tree_info;
183 181
184 /* Check device node and parent device node for device width */ 182 /* Check device node and parent device node for device width */
185 ofchip->gc.ngpio = 32; /* By default assume full GPIO controller */ 183 chip->mmchip.gc.ngpio = 32; /* By default assume full GPIO controller */
186 tree_info = of_get_property(np, "xlnx,gpio-width", NULL); 184 tree_info = of_get_property(np, "xlnx,gpio-width", NULL);
187 if (!tree_info) 185 if (!tree_info)
188 tree_info = of_get_property(np->parent, 186 tree_info = of_get_property(np->parent,
189 "xlnx,gpio-width", NULL); 187 "xlnx,gpio-width", NULL);
190 if (tree_info) 188 if (tree_info)
191 ofchip->gc.ngpio = *tree_info; 189 chip->mmchip.gc.ngpio = *tree_info;
192 190
193 spin_lock_init(&chip->gpio_lock); 191 spin_lock_init(&chip->gpio_lock);
194 192
195 ofchip->gpio_cells = 2; 193 chip->mmchip.gc.direction_input = xgpio_dir_in;
196 ofchip->gc.direction_input = xgpio_dir_in; 194 chip->mmchip.gc.direction_output = xgpio_dir_out;
197 ofchip->gc.direction_output = xgpio_dir_out; 195 chip->mmchip.gc.get = xgpio_get;
198 ofchip->gc.get = xgpio_get; 196 chip->mmchip.gc.set = xgpio_set;
199 ofchip->gc.set = xgpio_set;
200 197
201 chip->mmchip.save_regs = xgpio_save_regs; 198 chip->mmchip.save_regs = xgpio_save_regs;
202 199