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authorKim, Milo <Milo.Kim@ti.com>2012-08-31 05:23:41 -0400
committerAnton Vorontsov <anton.vorontsov@linaro.org>2012-09-20 20:57:49 -0400
commit2a0925827be53db6252afadc79c657b14638ff4a (patch)
tree0564be968102b0df02cf09785bac21d738f90d57 /drivers/power
parent60fd57e06ed7ea13bc0bdf4cb5324d47039105ab (diff)
lp8727_charger: Remove unnecessary workqueue thread
LP8727 has two IRQ threads. One is the I2C HW IRQ pin, the other is for delayed interrupt processing. But this delayed processing can be handled without additional single thread by using schedule_delayed_work() with jiffies time value. Signed-off-by: Milo(Woogyom) Kim <milo.kim@ti.com> Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
Diffstat (limited to 'drivers/power')
-rw-r--r--drivers/power/lp8727_charger.c13
1 files changed, 1 insertions, 12 deletions
diff --git a/drivers/power/lp8727_charger.c b/drivers/power/lp8727_charger.c
index 1907b1f7953d..c33532bbb9c7 100644
--- a/drivers/power/lp8727_charger.c
+++ b/drivers/power/lp8727_charger.c
@@ -85,7 +85,6 @@ struct lp8727_chg {
85 struct i2c_client *client; 85 struct i2c_client *client;
86 struct mutex xfer_lock; 86 struct mutex xfer_lock;
87 struct delayed_work work; 87 struct delayed_work work;
88 struct workqueue_struct *irqthread;
89 struct lp8727_platform_data *pdata; 88 struct lp8727_platform_data *pdata;
90 struct lp8727_psy *psy; 89 struct lp8727_psy *psy;
91 struct lp8727_chg_param *chg_parm; 90 struct lp8727_chg_param *chg_parm;
@@ -238,9 +237,7 @@ static irqreturn_t lp8727_isr_func(int irq, void *ptr)
238{ 237{
239 struct lp8727_chg *pchg = ptr; 238 struct lp8727_chg *pchg = ptr;
240 239
241 queue_delayed_work(pchg->irqthread, &pchg->work, 240 schedule_delayed_work(&pchg->work, pchg->debounce_jiffies);
242 pchg->debounce_jiffies);
243
244 return IRQ_HANDLED; 241 return IRQ_HANDLED;
245} 242}
246 243
@@ -251,12 +248,6 @@ static int lp8727_intr_config(struct lp8727_chg *pchg)
251 248
252 INIT_DELAYED_WORK(&pchg->work, lp8727_delayed_func); 249 INIT_DELAYED_WORK(&pchg->work, lp8727_delayed_func);
253 250
254 pchg->irqthread = create_singlethread_workqueue("lp8727-irqthd");
255 if (!pchg->irqthread) {
256 dev_err(pchg->dev, "can not create thread for lp8727\n");
257 return -ENOMEM;
258 }
259
260 pchg->debounce_jiffies = msecs_to_jiffies(delay_msec); 251 pchg->debounce_jiffies = msecs_to_jiffies(delay_msec);
261 252
262 return request_threaded_irq(pchg->client->irq, 253 return request_threaded_irq(pchg->client->irq,
@@ -486,8 +477,6 @@ static int __devexit lp8727_remove(struct i2c_client *cl)
486 struct lp8727_chg *pchg = i2c_get_clientdata(cl); 477 struct lp8727_chg *pchg = i2c_get_clientdata(cl);
487 478
488 free_irq(pchg->client->irq, pchg); 479 free_irq(pchg->client->irq, pchg);
489 flush_workqueue(pchg->irqthread);
490 destroy_workqueue(pchg->irqthread);
491 lp8727_unregister_psy(pchg); 480 lp8727_unregister_psy(pchg);
492 return 0; 481 return 0;
493} 482}