diff options
author | Arnd Bergmann <arnd@arndb.de> | 2012-01-07 20:53:13 +0000 |
---|---|---|
committer | Arnd Bergmann <arnd@arndb.de> | 2012-01-07 20:53:13 +0000 |
commit | 23c4c1c7b0dd2ebeb90bb6851478c0e80fe9e6b8 (patch) | |
tree | 60ab5e96f1e6e0ddd46eadf34d8a83ae2d8db72a /drivers/gpio/gpio-ml-ioh.c | |
parent | e195ffbe4573f79d590e63e2ae32dac2a73d5768 (diff) | |
parent | 7b9dd47136c07ffd883aff6926c7b281e4c1eea4 (diff) |
Merge branch 'depends/rmk/for-linus' into next/soc
Conflicts:
arch/arm/mach-tegra/board-dt-tegra20.c
arch/arm/mach-tegra/common.c
Diffstat (limited to 'drivers/gpio/gpio-ml-ioh.c')
-rw-r--r-- | drivers/gpio/gpio-ml-ioh.c | 32 |
1 files changed, 31 insertions, 1 deletions
diff --git a/drivers/gpio/gpio-ml-ioh.c b/drivers/gpio/gpio-ml-ioh.c index ea8e73869250..461958fc2264 100644 --- a/drivers/gpio/gpio-ml-ioh.c +++ b/drivers/gpio/gpio-ml-ioh.c @@ -332,6 +332,34 @@ static void ioh_irq_mask(struct irq_data *d) &chip->reg->regs[chip->ch].imask); } +static void ioh_irq_disable(struct irq_data *d) +{ + struct irq_chip_generic *gc = irq_data_get_irq_chip_data(d); + struct ioh_gpio *chip = gc->private; + unsigned long flags; + u32 ien; + + spin_lock_irqsave(&chip->spinlock, flags); + ien = ioread32(&chip->reg->regs[chip->ch].ien); + ien &= ~(1 << (d->irq - chip->irq_base)); + iowrite32(ien, &chip->reg->regs[chip->ch].ien); + spin_unlock_irqrestore(&chip->spinlock, flags); +} + +static void ioh_irq_enable(struct irq_data *d) +{ + struct irq_chip_generic *gc = irq_data_get_irq_chip_data(d); + struct ioh_gpio *chip = gc->private; + unsigned long flags; + u32 ien; + + spin_lock_irqsave(&chip->spinlock, flags); + ien = ioread32(&chip->reg->regs[chip->ch].ien); + ien |= 1 << (d->irq - chip->irq_base); + iowrite32(ien, &chip->reg->regs[chip->ch].ien); + spin_unlock_irqrestore(&chip->spinlock, flags); +} + static irqreturn_t ioh_gpio_handler(int irq, void *dev_id) { struct ioh_gpio *chip = dev_id; @@ -339,7 +367,7 @@ static irqreturn_t ioh_gpio_handler(int irq, void *dev_id) int i, j; int ret = IRQ_NONE; - for (i = 0; i < 8; i++) { + for (i = 0; i < 8; i++, chip++) { reg_val = ioread32(&chip->reg->regs[i].istatus); for (j = 0; j < num_ports[i]; j++) { if (reg_val & BIT(j)) { @@ -370,6 +398,8 @@ static __devinit void ioh_gpio_alloc_generic_chip(struct ioh_gpio *chip, ct->chip.irq_mask = ioh_irq_mask; ct->chip.irq_unmask = ioh_irq_unmask; ct->chip.irq_set_type = ioh_irq_type; + ct->chip.irq_disable = ioh_irq_disable; + ct->chip.irq_enable = ioh_irq_enable; irq_setup_generic_chip(gc, IRQ_MSK(num), IRQ_GC_INIT_MASK_CACHE, IRQ_NOREQUEST | IRQ_NOPROBE, 0); |