mfd: tps65010: Use power efficient workqueue for power polling

There is no need to use a per CPU workqueue to poll, especially with the
5s delay used, so allow the scheduler to use any CPU.

Signed-off-by: Mark Brown <broonie@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>

diff --git a/drivers/mfd/tps65010.c b/drivers/mfd/tps65010.c
index 4d67692..8114567 100644 (file)
--- a/drivers/mfd/tps65010.c
+++ b/drivers/mfd/tps65010.c
@@ -242,8 +242,8 @@ static int dbg_show(struct seq_file *s, void *_)
        seq_printf(s, "mask2     %s\n", buf);
        /* ignore ackint2 */
 
-       schedule_delayed_work(&tps->work, POWER_POLL_DELAY);
-
+       queue_delayed_work(system_power_efficient_wq, &tps->work,
+                          POWER_POLL_DELAY);
 
        /* VMAIN voltage, enable lowpower, etc */
        value = i2c_smbus_read_byte_data(tps->client, TPS_VDCDC1);
@@ -400,7 +400,8 @@ static void tps65010_interrupt(struct tps65010 *tps)
                        && (tps->chgstatus & (TPS_CHG_USB|TPS_CHG_AC)))
                poll = 1;
        if (poll)
-               schedule_delayed_work(&tps->work, POWER_POLL_DELAY);
+               queue_delayed_work(system_power_efficient_wq, &tps->work,
+                                  POWER_POLL_DELAY);
 
        /* also potentially gpio-in rise or fall */
 }
@@ -448,7 +449,7 @@ static irqreturn_t tps65010_irq(int irq, void *_tps)
 
        disable_irq_nosync(irq);
        set_bit(FLAG_IRQ_ENABLE, &tps->flags);
-       schedule_delayed_work(&tps->work, 0);
+       queue_delayed_work(system_power_efficient_wq, &tps->work, 0);
        return IRQ_HANDLED;
 }
 
@@ -718,7 +719,8 @@ int tps65010_set_vbus_draw(unsigned mA)
                        && test_and_set_bit(
                                FLAG_VBUS_CHANGED, &the_tps->flags)) {
                /* gadget drivers call this in_irq() */
-               schedule_delayed_work(&the_tps->work, 0);
+               queue_delayed_work(system_power_efficient_wq, &the_tps->work,
+                                  0);
        }
        local_irq_restore(flags);