diff options
Diffstat (limited to 'drivers/mfd')
| -rw-r--r-- | drivers/mfd/htc-i2cpld.c | 25 |
1 files changed, 7 insertions, 18 deletions
diff --git a/drivers/mfd/htc-i2cpld.c b/drivers/mfd/htc-i2cpld.c index 296ad1562f69..b3aa82339993 100644 --- a/drivers/mfd/htc-i2cpld.c +++ b/drivers/mfd/htc-i2cpld.c @@ -58,6 +58,7 @@ struct htcpld_chip { uint irq_start; int nirqs; + unsigned int flow_type; /* * Work structure to allow for setting values outside of any * possible interrupt context @@ -97,12 +98,7 @@ static void htcpld_unmask(struct irq_data *data) static int htcpld_set_type(struct irq_data *data, unsigned int flags) { - struct irq_desc *d = irq_to_desc(data->irq); - - if (!d) { - pr_err("HTCPLD invalid IRQ: %d\n", data->irq); - return -EINVAL; - } + struct htcpld_chip *chip = irq_data_get_irq_chip_data(data); if (flags & ~IRQ_TYPE_SENSE_MASK) return -EINVAL; @@ -111,9 +107,7 @@ static int htcpld_set_type(struct irq_data *data, unsigned int flags) if (flags & (IRQ_TYPE_LEVEL_LOW|IRQ_TYPE_LEVEL_HIGH)) return -EINVAL; - d->status &= ~IRQ_TYPE_SENSE_MASK; - d->status |= flags; - + chip->flow_type = flags; return 0; } @@ -135,7 +129,6 @@ static irqreturn_t htcpld_handler(int irq, void *dev) unsigned int i; unsigned long flags; int irqpin; - struct irq_desc *desc; if (!htcpld) { pr_debug("htcpld is null in ISR\n"); @@ -195,23 +188,19 @@ static irqreturn_t htcpld_handler(int irq, void *dev) * associated interrupts. */ for (irqpin = 0; irqpin < chip->nirqs; irqpin++) { - unsigned oldb, newb; - int flags; + unsigned oldb, newb, type = chip->flow_type; irq = chip->irq_start + irqpin; - desc = irq_to_desc(irq); - flags = desc->status; /* Run the IRQ handler, but only if the bit value * changed, and the proper flags are set */ oldb = (old_val >> irqpin) & 1; newb = (uval >> irqpin) & 1; - if ((!oldb && newb && (flags & IRQ_TYPE_EDGE_RISING)) || - (oldb && !newb && - (flags & IRQ_TYPE_EDGE_FALLING))) { + if ((!oldb && newb && (type & IRQ_TYPE_EDGE_RISING)) || + (oldb && !newb && (type & IRQ_TYPE_EDGE_FALLING))) { pr_debug("fire IRQ %d\n", irqpin); - desc->handle_irq(irq, desc); + generic_handle_irq(irq); } } } |