diff options
-rw-r--r-- | drivers/gpio/gpio-omap.c | 47 |
1 files changed, 25 insertions, 22 deletions
diff --git a/drivers/gpio/gpio-omap.c b/drivers/gpio/gpio-omap.c index 7cbad8569268..1adc2ec1e383 100644 --- a/drivers/gpio/gpio-omap.c +++ b/drivers/gpio/gpio-omap.c | |||
@@ -120,10 +120,13 @@ static void _set_gpio_dataout_reg(struct gpio_bank *bank, int gpio, int enable) | |||
120 | void __iomem *reg = bank->base; | 120 | void __iomem *reg = bank->base; |
121 | u32 l = GPIO_BIT(bank, gpio); | 121 | u32 l = GPIO_BIT(bank, gpio); |
122 | 122 | ||
123 | if (enable) | 123 | if (enable) { |
124 | reg += bank->regs->set_dataout; | 124 | reg += bank->regs->set_dataout; |
125 | else | 125 | bank->context.dataout |= l; |
126 | } else { | ||
126 | reg += bank->regs->clr_dataout; | 127 | reg += bank->regs->clr_dataout; |
128 | bank->context.dataout &= ~l; | ||
129 | } | ||
127 | 130 | ||
128 | __raw_writel(l, reg); | 131 | __raw_writel(l, reg); |
129 | } | 132 | } |
@@ -144,18 +147,18 @@ static void _set_gpio_dataout_mask(struct gpio_bank *bank, int gpio, int enable) | |||
144 | bank->context.dataout = l; | 147 | bank->context.dataout = l; |
145 | } | 148 | } |
146 | 149 | ||
147 | static int _get_gpio_datain(struct gpio_bank *bank, int gpio) | 150 | static int _get_gpio_datain(struct gpio_bank *bank, int offset) |
148 | { | 151 | { |
149 | void __iomem *reg = bank->base + bank->regs->datain; | 152 | void __iomem *reg = bank->base + bank->regs->datain; |
150 | 153 | ||
151 | return (__raw_readl(reg) & GPIO_BIT(bank, gpio)) != 0; | 154 | return (__raw_readl(reg) & (1 << offset)) != 0; |
152 | } | 155 | } |
153 | 156 | ||
154 | static int _get_gpio_dataout(struct gpio_bank *bank, int gpio) | 157 | static int _get_gpio_dataout(struct gpio_bank *bank, int offset) |
155 | { | 158 | { |
156 | void __iomem *reg = bank->base + bank->regs->dataout; | 159 | void __iomem *reg = bank->base + bank->regs->dataout; |
157 | 160 | ||
158 | return (__raw_readl(reg) & GPIO_BIT(bank, gpio)) != 0; | 161 | return (__raw_readl(reg) & (1 << offset)) != 0; |
159 | } | 162 | } |
160 | 163 | ||
161 | static inline void _gpio_rmw(void __iomem *base, u32 reg, u32 mask, bool set) | 164 | static inline void _gpio_rmw(void __iomem *base, u32 reg, u32 mask, bool set) |
@@ -245,7 +248,7 @@ static void _set_gpio_debounce(struct gpio_bank *bank, unsigned gpio, | |||
245 | } | 248 | } |
246 | 249 | ||
247 | static inline void set_gpio_trigger(struct gpio_bank *bank, int gpio, | 250 | static inline void set_gpio_trigger(struct gpio_bank *bank, int gpio, |
248 | int trigger) | 251 | unsigned trigger) |
249 | { | 252 | { |
250 | void __iomem *base = bank->base; | 253 | void __iomem *base = bank->base; |
251 | u32 gpio_bit = 1 << gpio; | 254 | u32 gpio_bit = 1 << gpio; |
@@ -327,7 +330,8 @@ static void _toggle_gpio_edge_triggering(struct gpio_bank *bank, int gpio) | |||
327 | static void _toggle_gpio_edge_triggering(struct gpio_bank *bank, int gpio) {} | 330 | static void _toggle_gpio_edge_triggering(struct gpio_bank *bank, int gpio) {} |
328 | #endif | 331 | #endif |
329 | 332 | ||
330 | static int _set_gpio_triggering(struct gpio_bank *bank, int gpio, int trigger) | 333 | static int _set_gpio_triggering(struct gpio_bank *bank, int gpio, |
334 | unsigned trigger) | ||
331 | { | 335 | { |
332 | void __iomem *reg = bank->base; | 336 | void __iomem *reg = bank->base; |
333 | void __iomem *base = bank->base; | 337 | void __iomem *base = bank->base; |
@@ -447,6 +451,7 @@ static void _enable_gpio_irqbank(struct gpio_bank *bank, int gpio_mask) | |||
447 | if (bank->regs->set_irqenable) { | 451 | if (bank->regs->set_irqenable) { |
448 | reg += bank->regs->set_irqenable; | 452 | reg += bank->regs->set_irqenable; |
449 | l = gpio_mask; | 453 | l = gpio_mask; |
454 | bank->context.irqenable1 |= gpio_mask; | ||
450 | } else { | 455 | } else { |
451 | reg += bank->regs->irqenable; | 456 | reg += bank->regs->irqenable; |
452 | l = __raw_readl(reg); | 457 | l = __raw_readl(reg); |
@@ -454,10 +459,10 @@ static void _enable_gpio_irqbank(struct gpio_bank *bank, int gpio_mask) | |||
454 | l &= ~gpio_mask; | 459 | l &= ~gpio_mask; |
455 | else | 460 | else |
456 | l |= gpio_mask; | 461 | l |= gpio_mask; |
462 | bank->context.irqenable1 = l; | ||
457 | } | 463 | } |
458 | 464 | ||
459 | __raw_writel(l, reg); | 465 | __raw_writel(l, reg); |
460 | bank->context.irqenable1 = l; | ||
461 | } | 466 | } |
462 | 467 | ||
463 | static void _disable_gpio_irqbank(struct gpio_bank *bank, int gpio_mask) | 468 | static void _disable_gpio_irqbank(struct gpio_bank *bank, int gpio_mask) |
@@ -468,6 +473,7 @@ static void _disable_gpio_irqbank(struct gpio_bank *bank, int gpio_mask) | |||
468 | if (bank->regs->clr_irqenable) { | 473 | if (bank->regs->clr_irqenable) { |
469 | reg += bank->regs->clr_irqenable; | 474 | reg += bank->regs->clr_irqenable; |
470 | l = gpio_mask; | 475 | l = gpio_mask; |
476 | bank->context.irqenable1 &= ~gpio_mask; | ||
471 | } else { | 477 | } else { |
472 | reg += bank->regs->irqenable; | 478 | reg += bank->regs->irqenable; |
473 | l = __raw_readl(reg); | 479 | l = __raw_readl(reg); |
@@ -475,15 +481,18 @@ static void _disable_gpio_irqbank(struct gpio_bank *bank, int gpio_mask) | |||
475 | l |= gpio_mask; | 481 | l |= gpio_mask; |
476 | else | 482 | else |
477 | l &= ~gpio_mask; | 483 | l &= ~gpio_mask; |
484 | bank->context.irqenable1 = l; | ||
478 | } | 485 | } |
479 | 486 | ||
480 | __raw_writel(l, reg); | 487 | __raw_writel(l, reg); |
481 | bank->context.irqenable1 = l; | ||
482 | } | 488 | } |
483 | 489 | ||
484 | static inline void _set_gpio_irqenable(struct gpio_bank *bank, int gpio, int enable) | 490 | static inline void _set_gpio_irqenable(struct gpio_bank *bank, int gpio, int enable) |
485 | { | 491 | { |
486 | _enable_gpio_irqbank(bank, GPIO_BIT(bank, gpio)); | 492 | if (enable) |
493 | _enable_gpio_irqbank(bank, GPIO_BIT(bank, gpio)); | ||
494 | else | ||
495 | _disable_gpio_irqbank(bank, GPIO_BIT(bank, gpio)); | ||
487 | } | 496 | } |
488 | 497 | ||
489 | /* | 498 | /* |
@@ -511,6 +520,7 @@ static int _set_gpio_wakeup(struct gpio_bank *bank, int gpio, int enable) | |||
511 | else | 520 | else |
512 | bank->suspend_wakeup &= ~gpio_bit; | 521 | bank->suspend_wakeup &= ~gpio_bit; |
513 | 522 | ||
523 | __raw_writel(bank->suspend_wakeup, bank->base + bank->regs->wkup_en); | ||
514 | spin_unlock_irqrestore(&bank->lock, flags); | 524 | spin_unlock_irqrestore(&bank->lock, flags); |
515 | 525 | ||
516 | return 0; | 526 | return 0; |
@@ -855,19 +865,15 @@ static int gpio_is_input(struct gpio_bank *bank, int mask) | |||
855 | static int gpio_get(struct gpio_chip *chip, unsigned offset) | 865 | static int gpio_get(struct gpio_chip *chip, unsigned offset) |
856 | { | 866 | { |
857 | struct gpio_bank *bank; | 867 | struct gpio_bank *bank; |
858 | void __iomem *reg; | ||
859 | int gpio; | ||
860 | u32 mask; | 868 | u32 mask; |
861 | 869 | ||
862 | gpio = chip->base + offset; | ||
863 | bank = container_of(chip, struct gpio_bank, chip); | 870 | bank = container_of(chip, struct gpio_bank, chip); |
864 | reg = bank->base; | 871 | mask = (1 << offset); |
865 | mask = GPIO_BIT(bank, gpio); | ||
866 | 872 | ||
867 | if (gpio_is_input(bank, mask)) | 873 | if (gpio_is_input(bank, mask)) |
868 | return _get_gpio_datain(bank, gpio); | 874 | return _get_gpio_datain(bank, offset); |
869 | else | 875 | else |
870 | return _get_gpio_dataout(bank, gpio); | 876 | return _get_gpio_dataout(bank, offset); |
871 | } | 877 | } |
872 | 878 | ||
873 | static int gpio_output(struct gpio_chip *chip, unsigned offset, int value) | 879 | static int gpio_output(struct gpio_chip *chip, unsigned offset, int value) |
@@ -1239,9 +1245,6 @@ static int omap_gpio_runtime_suspend(struct device *dev) | |||
1239 | * non-wakeup GPIOs. Otherwise spurious IRQs will be | 1245 | * non-wakeup GPIOs. Otherwise spurious IRQs will be |
1240 | * generated. See OMAP2420 Errata item 1.101. | 1246 | * generated. See OMAP2420 Errata item 1.101. |
1241 | */ | 1247 | */ |
1242 | if (!(bank->enabled_non_wakeup_gpios)) | ||
1243 | goto update_gpio_context_count; | ||
1244 | |||
1245 | bank->saved_datain = __raw_readl(bank->base + | 1248 | bank->saved_datain = __raw_readl(bank->base + |
1246 | bank->regs->datain); | 1249 | bank->regs->datain); |
1247 | l1 = __raw_readl(bank->base + bank->regs->fallingdetect); | 1250 | l1 = __raw_readl(bank->base + bank->regs->fallingdetect); |
@@ -1290,7 +1293,7 @@ static int omap_gpio_runtime_resume(struct device *dev) | |||
1290 | __raw_writel(bank->context.risingdetect, | 1293 | __raw_writel(bank->context.risingdetect, |
1291 | bank->base + bank->regs->risingdetect); | 1294 | bank->base + bank->regs->risingdetect); |
1292 | 1295 | ||
1293 | if (!bank->enabled_non_wakeup_gpios || !bank->workaround_enabled) { | 1296 | if (!bank->workaround_enabled) { |
1294 | spin_unlock_irqrestore(&bank->lock, flags); | 1297 | spin_unlock_irqrestore(&bank->lock, flags); |
1295 | return 0; | 1298 | return 0; |
1296 | } | 1299 | } |