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Diffstat (limited to 'arch/arm/mach-davinci/gpio.c')
-rw-r--r--arch/arm/mach-davinci/gpio.c49
1 files changed, 20 insertions, 29 deletions
diff --git a/arch/arm/mach-davinci/gpio.c b/arch/arm/mach-davinci/gpio.c
index 20d66e5e4663..a0b838894ac9 100644
--- a/arch/arm/mach-davinci/gpio.c
+++ b/arch/arm/mach-davinci/gpio.c
@@ -62,7 +62,7 @@ static inline struct davinci_gpio_regs __iomem *irq2regs(int irq)
62{ 62{
63 struct davinci_gpio_regs __iomem *g; 63 struct davinci_gpio_regs __iomem *g;
64 64
65 g = (__force struct davinci_gpio_regs __iomem *)get_irq_chip_data(irq); 65 g = (__force struct davinci_gpio_regs __iomem *)irq_get_chip_data(irq);
66 66
67 return g; 67 return g;
68} 68}
@@ -208,7 +208,7 @@ pure_initcall(davinci_gpio_setup);
208static void gpio_irq_disable(struct irq_data *d) 208static void gpio_irq_disable(struct irq_data *d)
209{ 209{
210 struct davinci_gpio_regs __iomem *g = irq2regs(d->irq); 210 struct davinci_gpio_regs __iomem *g = irq2regs(d->irq);
211 u32 mask = (u32) irq_data_get_irq_data(d); 211 u32 mask = (u32) irq_data_get_irq_handler_data(d);
212 212
213 __raw_writel(mask, &g->clr_falling); 213 __raw_writel(mask, &g->clr_falling);
214 __raw_writel(mask, &g->clr_rising); 214 __raw_writel(mask, &g->clr_rising);
@@ -217,8 +217,8 @@ static void gpio_irq_disable(struct irq_data *d)
217static void gpio_irq_enable(struct irq_data *d) 217static void gpio_irq_enable(struct irq_data *d)
218{ 218{
219 struct davinci_gpio_regs __iomem *g = irq2regs(d->irq); 219 struct davinci_gpio_regs __iomem *g = irq2regs(d->irq);
220 u32 mask = (u32) irq_data_get_irq_data(d); 220 u32 mask = (u32) irq_data_get_irq_handler_data(d);
221 unsigned status = irq_desc[d->irq].status; 221 unsigned status = irqd_get_trigger_type(d);
222 222
223 status &= IRQ_TYPE_EDGE_FALLING | IRQ_TYPE_EDGE_RISING; 223 status &= IRQ_TYPE_EDGE_FALLING | IRQ_TYPE_EDGE_RISING;
224 if (!status) 224 if (!status)
@@ -233,21 +233,11 @@ static void gpio_irq_enable(struct irq_data *d)
233static int gpio_irq_type(struct irq_data *d, unsigned trigger) 233static int gpio_irq_type(struct irq_data *d, unsigned trigger)
234{ 234{
235 struct davinci_gpio_regs __iomem *g = irq2regs(d->irq); 235 struct davinci_gpio_regs __iomem *g = irq2regs(d->irq);
236 u32 mask = (u32) irq_data_get_irq_data(d); 236 u32 mask = (u32) irq_data_get_irq_handler_data(d);
237 237
238 if (trigger & ~(IRQ_TYPE_EDGE_FALLING | IRQ_TYPE_EDGE_RISING)) 238 if (trigger & ~(IRQ_TYPE_EDGE_FALLING | IRQ_TYPE_EDGE_RISING))
239 return -EINVAL; 239 return -EINVAL;
240 240
241 irq_desc[d->irq].status &= ~IRQ_TYPE_SENSE_MASK;
242 irq_desc[d->irq].status |= trigger;
243
244 /* don't enable the IRQ if it's currently disabled */
245 if (irq_desc[d->irq].depth == 0) {
246 __raw_writel(mask, (trigger & IRQ_TYPE_EDGE_FALLING)
247 ? &g->set_falling : &g->clr_falling);
248 __raw_writel(mask, (trigger & IRQ_TYPE_EDGE_RISING)
249 ? &g->set_rising : &g->clr_rising);
250 }
251 return 0; 241 return 0;
252} 242}
253 243
@@ -256,6 +246,7 @@ static struct irq_chip gpio_irqchip = {
256 .irq_enable = gpio_irq_enable, 246 .irq_enable = gpio_irq_enable,
257 .irq_disable = gpio_irq_disable, 247 .irq_disable = gpio_irq_disable,
258 .irq_set_type = gpio_irq_type, 248 .irq_set_type = gpio_irq_type,
249 .flags = IRQCHIP_SET_TYPE_MASKED,
259}; 250};
260 251
261static void 252static void
@@ -285,7 +276,7 @@ gpio_irq_handler(unsigned irq, struct irq_desc *desc)
285 status >>= 16; 276 status >>= 16;
286 277
287 /* now demux them to the right lowlevel handler */ 278 /* now demux them to the right lowlevel handler */
288 n = (int)get_irq_data(irq); 279 n = (int)irq_get_handler_data(irq);
289 while (status) { 280 while (status) {
290 res = ffs(status); 281 res = ffs(status);
291 n += res; 282 n += res;
@@ -323,7 +314,7 @@ static int gpio_to_irq_unbanked(struct gpio_chip *chip, unsigned offset)
323static int gpio_irq_type_unbanked(struct irq_data *d, unsigned trigger) 314static int gpio_irq_type_unbanked(struct irq_data *d, unsigned trigger)
324{ 315{
325 struct davinci_gpio_regs __iomem *g = irq2regs(d->irq); 316 struct davinci_gpio_regs __iomem *g = irq2regs(d->irq);
326 u32 mask = (u32) irq_data_get_irq_data(d); 317 u32 mask = (u32) irq_data_get_irq_handler_data(d);
327 318
328 if (trigger & ~(IRQ_TYPE_EDGE_FALLING | IRQ_TYPE_EDGE_RISING)) 319 if (trigger & ~(IRQ_TYPE_EDGE_FALLING | IRQ_TYPE_EDGE_RISING))
329 return -EINVAL; 320 return -EINVAL;
@@ -395,7 +386,7 @@ static int __init davinci_gpio_irq_setup(void)
395 386
396 /* AINTC handles mask/unmask; GPIO handles triggering */ 387 /* AINTC handles mask/unmask; GPIO handles triggering */
397 irq = bank_irq; 388 irq = bank_irq;
398 gpio_irqchip_unbanked = *get_irq_desc_chip(irq_to_desc(irq)); 389 gpio_irqchip_unbanked = *irq_get_chip(irq);
399 gpio_irqchip_unbanked.name = "GPIO-AINTC"; 390 gpio_irqchip_unbanked.name = "GPIO-AINTC";
400 gpio_irqchip_unbanked.irq_set_type = gpio_irq_type_unbanked; 391 gpio_irqchip_unbanked.irq_set_type = gpio_irq_type_unbanked;
401 392
@@ -406,10 +397,10 @@ static int __init davinci_gpio_irq_setup(void)
406 397
407 /* set the direct IRQs up to use that irqchip */ 398 /* set the direct IRQs up to use that irqchip */
408 for (gpio = 0; gpio < soc_info->gpio_unbanked; gpio++, irq++) { 399 for (gpio = 0; gpio < soc_info->gpio_unbanked; gpio++, irq++) {
409 set_irq_chip(irq, &gpio_irqchip_unbanked); 400 irq_set_chip(irq, &gpio_irqchip_unbanked);
410 set_irq_data(irq, (void *) __gpio_mask(gpio)); 401 irq_set_handler_data(irq, (void *)__gpio_mask(gpio));
411 set_irq_chip_data(irq, (__force void *) g); 402 irq_set_chip_data(irq, (__force void *)g);
412 irq_desc[irq].status |= IRQ_TYPE_EDGE_BOTH; 403 irq_set_status_flags(irq, IRQ_TYPE_EDGE_BOTH);
413 } 404 }
414 405
415 goto done; 406 goto done;
@@ -430,15 +421,15 @@ static int __init davinci_gpio_irq_setup(void)
430 __raw_writel(~0, &g->clr_rising); 421 __raw_writel(~0, &g->clr_rising);
431 422
432 /* set up all irqs in this bank */ 423 /* set up all irqs in this bank */
433 set_irq_chained_handler(bank_irq, gpio_irq_handler); 424 irq_set_chained_handler(bank_irq, gpio_irq_handler);
434 set_irq_chip_data(bank_irq, (__force void *) g); 425 irq_set_chip_data(bank_irq, (__force void *)g);
435 set_irq_data(bank_irq, (void *) irq); 426 irq_set_handler_data(bank_irq, (void *)irq);
436 427
437 for (i = 0; i < 16 && gpio < ngpio; i++, irq++, gpio++) { 428 for (i = 0; i < 16 && gpio < ngpio; i++, irq++, gpio++) {
438 set_irq_chip(irq, &gpio_irqchip); 429 irq_set_chip(irq, &gpio_irqchip);
439 set_irq_chip_data(irq, (__force void *) g); 430 irq_set_chip_data(irq, (__force void *)g);
440 set_irq_data(irq, (void *) __gpio_mask(gpio)); 431 irq_set_handler_data(irq, (void *)__gpio_mask(gpio));
441 set_irq_handler(irq, handle_simple_irq); 432 irq_set_handler(irq, handle_simple_irq);
442 set_irq_flags(irq, IRQF_VALID); 433 set_irq_flags(irq, IRQF_VALID);
443 } 434 }
444 435