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-rw-r--r--Documentation/devicetree/bindings/gpio/gpio-omap.txt11
-rw-r--r--arch/arm/mach-omap2/irq.c25
-rw-r--r--arch/arm/mach-omap2/pm34xx.c2
-rw-r--r--drivers/gpio/gpio-omap.c73
-rw-r--r--include/linux/platform_data/gpio-omap.h5
5 files changed, 5 insertions, 111 deletions
diff --git a/Documentation/devicetree/bindings/gpio/gpio-omap.txt b/Documentation/devicetree/bindings/gpio/gpio-omap.txt
index a320bfd862c..8d950522e7f 100644
--- a/Documentation/devicetree/bindings/gpio/gpio-omap.txt
+++ b/Documentation/devicetree/bindings/gpio/gpio-omap.txt
@@ -26,14 +26,6 @@ OMAP specific properties:
- ti,gpio-always-on: Indicates if a GPIO bank is always powered and
so will never lose its logic state.
-OMAP3 specific properties
-Offmode wkup allows translation of a wakeup event
-from a single pad in a gpio bank to a wakeup + an interrupt.
-This works around the loss of isr status during off mode for
-gpio banks 2 through 6
-
-- offmode-wkup-isr: The isr offset in the bank
-- offmode-wkup-pad: The pad offset associated with this pin
Example:
@@ -44,7 +36,4 @@ gpio4: gpio4 {
#gpio-cells = <2>;
interrupt-controller;
#interrupt-cells = <2>;
-
- offmode-wkup-isr = <0x00000008>;
- offmode-wkup-pad = <0x008e>;
};
diff --git a/arch/arm/mach-omap2/irq.c b/arch/arm/mach-omap2/irq.c
index 9a2bc4ba235..3926f370448 100644
--- a/arch/arm/mach-omap2/irq.c
+++ b/arch/arm/mach-omap2/irq.c
@@ -40,10 +40,7 @@
#define INTC_MIR0 0x0084
#define INTC_MIR_CLEAR0 0x0088
#define INTC_MIR_SET0 0x008c
-#define INTC_ISR_SET0 0x0090
-#define INTC_ISR_CLEAR0 0x0094
#define INTC_PENDING_IRQ0 0x0098
-
/* Number of IRQ state bits in each MIR register */
#define IRQ_BITS_PER_REG 32
@@ -54,9 +51,6 @@
#define INTCPS_NR_MIR_REGS 3
#define INTCPS_NR_IRQS 96
-#define INTCPS_ISR_SET(n) (INTC_ISR_SET0 + (0x20 * (n)))
-#define INTCPS_ISR_CLR(n) (INTC_ISR_CLEAR0 + (0x20 * (n)))
-
/*
* OMAP2 has a number of different interrupt controllers, each interrupt
* controller is identified as its own "bank". Register definitions are
@@ -128,24 +122,6 @@ static void __init omap_irq_bank_init_one(struct omap_irq_bank *bank)
intc_bank_write_reg(1 << 0, bank, INTC_SYSCONFIG);
}
-void omap_clr_soft_irq(int irq)
-{
- u32 shift = (irq - domain->revmap_data.legacy.first_irq);
- u32 offset = INTCPS_ISR_CLR(shift / (IRQ_BITS_PER_REG - 1));
- u32 isr = 1 << (shift % IRQ_BITS_PER_REG);
-
- __raw_writel(isr, OMAP2_L4_IO_ADDRESS(OMAP34XX_IC_BASE + offset));
-}
-
-void omap_set_soft_irq(int irq)
-{
- u32 shift = (irq - domain->revmap_data.legacy.first_irq);
- u32 offset = INTCPS_ISR_SET(shift / (IRQ_BITS_PER_REG - 1));
- u32 isr = 1 << (shift % IRQ_BITS_PER_REG);
-
- __raw_writel(isr, OMAP2_L4_IO_ADDRESS(OMAP34XX_IC_BASE + offset));
-}
-
int omap_irq_pending(void)
{
int i;
@@ -203,7 +179,6 @@ static void __init omap_init_irq(u32 base, int nr_irqs,
domain = irq_domain_add_legacy(node, nr_irqs, irq_base, 0,
&irq_domain_simple_ops, NULL);
-
for (i = 0; i < ARRAY_SIZE(irq_banks); i++) {
struct omap_irq_bank *bank = irq_banks + i;
diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach-omap2/pm34xx.c
index 391c708111e..46182a5293d 100644
--- a/arch/arm/mach-omap2/pm34xx.c
+++ b/arch/arm/mach-omap2/pm34xx.c
@@ -374,7 +374,7 @@ void omap_sram_idle(bool in_suspend)
/* PER */
if (per_next_state < PWRDM_POWER_ON)
- omap2_gpio_resume_after_idle(in_suspend, per_going_off);
+ omap2_gpio_resume_after_idle(in_suspend);
}
static void omap3_pm_idle(void)
diff --git a/drivers/gpio/gpio-omap.c b/drivers/gpio/gpio-omap.c
index 7377ae4ee8d..378e3d8a418 100644
--- a/drivers/gpio/gpio-omap.c
+++ b/drivers/gpio/gpio-omap.c
@@ -82,36 +82,12 @@ struct gpio_bank {
struct pad_context *pads_ctx;
void __iomem *pads_base;
- u32 offmode_handle_soft_isr;
- u32 offmode_wkup_isr;
- u32 offmode_wkup_pad;
- u32 offmode_wkup_pad_shift;
-
void (*set_dataout)(struct gpio_bank *bank, int gpio, int enable);
int (*get_context_loss_count)(struct device *dev);
struct omap_gpio_reg_offs *regs;
};
-static inline void clr_soft_irq(struct gpio_bank *bank)
-{
- omap_clr_soft_irq(bank->irq);
-}
-
-static inline void set_soft_irq(struct gpio_bank *bank)
-{
- omap_set_soft_irq(bank->irq);
-}
-
-#define WAKEUPEVENT 0x8000
-static inline int is_wkup_pad(struct gpio_bank *bank)
-{
- int pad = __raw_readl(bank->pads_base + bank->offmode_wkup_pad);
- pad = pad >> bank->offmode_wkup_pad_shift;
-
- return (pad & WAKEUPEVENT) ? 1 : 0;
-}
-
#define GPIO_INDEX(bank, gpio) (gpio % bank->width)
#define GPIO_BIT(bank, gpio) (1 << GPIO_INDEX(bank, gpio))
#define GPIO_MOD_CTRL_BIT BIT(0)
@@ -737,18 +713,8 @@ static void gpio_irq_handler(unsigned int irq, struct irq_desc *desc)
u32 isr_saved, level_mask = 0;
u32 enabled;
- if (unlikely(bank->offmode_handle_soft_isr)) {
- clr_soft_irq(bank);
-
- enabled = bank->offmode_handle_soft_isr;
- isr = bank->offmode_handle_soft_isr & enabled;
- isr_saved = isr;
- bank->offmode_handle_soft_isr = 0x0;
- } else {
- enabled = _get_gpio_irqbank_mask(bank);
- isr = __raw_readl(isr_reg) & enabled;
- isr_saved = isr;
- }
+ enabled = _get_gpio_irqbank_mask(bank);
+ isr_saved = isr = __raw_readl(isr_reg) & enabled;
if (bank->level_mask)
level_mask = bank->level_mask & enabled;
@@ -792,9 +758,6 @@ static void gpio_irq_handler(unsigned int irq, struct irq_desc *desc)
handler(s) are executed in order to avoid spurious bank
interrupt */
exit:
-
- bank->offmode_handle_soft_isr = 0x0;
-
if (!unmasked)
chained_irq_exit(chip, desc);
pm_runtime_put(bank->dev);
@@ -1290,33 +1253,8 @@ static int omap_gpio_probe(struct platform_device *pdev)
bank->chip.of_node = of_node_get(node);
#endif
if (node) {
- int ret;
- u32 offmode_wkup_isr;
- u32 offmode_wkup_pad;
-
if (!of_property_read_bool(node, "ti,gpio-always-on"))
bank->loses_context = true;
-
- /* offmode-wkup */
- ret = of_property_read_u32(node, "offmode-wkup-isr",
- &offmode_wkup_isr);
- ret |= of_property_read_u32(node, "offmode-wkup-pad",
- &offmode_wkup_pad);
-
- if (!ret) {
- bank->offmode_wkup_isr = offmode_wkup_isr;
- bank->offmode_wkup_pad =
- offmode_wkup_pad & 0xFFFFFFFC;
- bank->offmode_wkup_pad_shift =
- offmode_wkup_pad % 4 ? 16 : 0;
-
- dev_info(dev, "offmode_wkup_isr = 0x%08x\n",
- bank->offmode_wkup_isr);
- dev_info(dev, "offmode_wkup_pad = 0x%08x\n",
- bank->offmode_wkup_pad);
- dev_info(dev, "offmode_wkup_shift = %d\n",
- bank->offmode_wkup_pad_shift);
- }
} else {
bank->loses_context = pdata->loses_context;
@@ -1603,7 +1541,7 @@ void omap2_gpio_prepare_for_idle(int pwr_mode)
}
}
-void omap2_gpio_resume_after_idle(bool in_suspend, int pwr_mode)
+void omap2_gpio_resume_after_idle(bool in_suspend)
{
struct gpio_bank *bank;
@@ -1617,11 +1555,6 @@ void omap2_gpio_resume_after_idle(bool in_suspend, int pwr_mode)
bank->power_mode = 0;
omap_gpio_pad_ctx_restore(bank);
}
- if (bank->offmode_wkup_isr && (pwr_mode == OFF_MODE) &&
- is_wkup_pad(bank)) {
- bank->offmode_handle_soft_isr = bank->offmode_wkup_isr;
- set_soft_irq(bank);
- }
}
}
diff --git a/include/linux/platform_data/gpio-omap.h b/include/linux/platform_data/gpio-omap.h
index c62713acfc7..11f4bff9c7e 100644
--- a/include/linux/platform_data/gpio-omap.h
+++ b/include/linux/platform_data/gpio-omap.h
@@ -211,11 +211,8 @@ struct omap_gpio_platform_data {
};
extern void omap2_gpio_prepare_for_idle(int off_mode);
-extern void omap2_gpio_resume_after_idle(bool in_suspend, int off_mode);
+extern void omap2_gpio_resume_after_idle(bool in_suspend);
extern void omap_set_gpio_debounce(int gpio, int enable);
extern void omap_set_gpio_debounce_time(int gpio, int enable);
-extern void omap_clr_soft_irq(int irq);
-extern void omap_set_soft_irq(int irq);
-
#endif