diff options
| author | Kiran Gunda <kgunda@codeaurora.org> | 2017-07-28 12:40:39 +0530 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-08-28 13:51:19 +0200 |
| commit | 325255bc9554504a2545284655d4fd8e74c06c22 (patch) | |
| tree | cc451b5e2680305a3e0d709ea7847e8ca1313a7e /drivers/spmi | |
| parent | f2f3156472b09aed3c7f3ec38db4d09f15a58f0d (diff) | |
| download | lwn-325255bc9554504a2545284655d4fd8e74c06c22.tar.gz lwn-325255bc9554504a2545284655d4fd8e74c06c22.zip | |
spmi: pmic-arb: optimize qpnpint_irq_set_type function
Optimize the qpnpint_irq_set_type() by using a local variable
to hold the handler type. Also clean up other variable usage.
Signed-off-by: Kiran Gunda <kgunda@codeaurora.org>
Reviewed-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/spmi')
| -rw-r--r-- | drivers/spmi/spmi-pmic-arb.c | 24 |
1 files changed, 12 insertions, 12 deletions
diff --git a/drivers/spmi/spmi-pmic-arb.c b/drivers/spmi/spmi-pmic-arb.c index 530d41021928..0577cfd14aab 100644 --- a/drivers/spmi/spmi-pmic-arb.c +++ b/drivers/spmi/spmi-pmic-arb.c @@ -587,35 +587,35 @@ static void qpnpint_irq_unmask(struct irq_data *d) static int qpnpint_irq_set_type(struct irq_data *d, unsigned int flow_type) { struct spmi_pmic_arb_qpnpint_type type; + irq_flow_handler_t flow_handler; u8 irq = hwirq_to_irq(d->hwirq); - u8 bit_mask_irq = BIT(irq); qpnpint_spmi_read(d, QPNPINT_REG_SET_TYPE, &type, sizeof(type)); if (flow_type & (IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING)) { - type.type |= bit_mask_irq; + type.type |= BIT(irq); if (flow_type & IRQF_TRIGGER_RISING) - type.polarity_high |= bit_mask_irq; + type.polarity_high |= BIT(irq); if (flow_type & IRQF_TRIGGER_FALLING) - type.polarity_low |= bit_mask_irq; + type.polarity_low |= BIT(irq); + + flow_handler = handle_edge_irq; } else { if ((flow_type & (IRQF_TRIGGER_HIGH)) && (flow_type & (IRQF_TRIGGER_LOW))) return -EINVAL; - type.type &= ~bit_mask_irq; /* level trig */ + type.type &= ~BIT(irq); /* level trig */ if (flow_type & IRQF_TRIGGER_HIGH) - type.polarity_high |= bit_mask_irq; + type.polarity_high |= BIT(irq); else - type.polarity_low |= bit_mask_irq; + type.polarity_low |= BIT(irq); + + flow_handler = handle_level_irq; } qpnpint_spmi_write(d, QPNPINT_REG_SET_TYPE, &type, sizeof(type)); - - if (flow_type & IRQ_TYPE_EDGE_BOTH) - irq_set_handler_locked(d, handle_edge_irq); - else - irq_set_handler_locked(d, handle_level_irq); + irq_set_handler_locked(d, flow_handler); return 0; } |