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usb: chipidea: using one inline function to cover queue work operations 

The otg queue work include operations: one is disable interrupt,
another one is call kernel queue work API. Many codes do this
operation, using one inline function to instead of them.

Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Peter Chen 2014-05-23 08:12:49 +08:00 committed by Greg Kroah-Hartman
parent 2dbd633f3a
commit be6b0c1bd0
3 changed files with 30 additions and 50 deletions
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6
drivers/usb/chipidea/core.c
View File

@ -425,8 +425,7 @@ static irqreturn_t ci_irq(int irq, void *data)
ci->id_event = true;
/* Clear ID change irq status */
hw_write_otgsc(ci, OTGSC_IDIS, OTGSC_IDIS);
disable_irq_nosync(ci->irq);
queue_work(ci->wq, &ci->work);
ci_otg_queue_work(ci);
return IRQ_HANDLED;
}
@ -438,8 +437,7 @@ static irqreturn_t ci_irq(int irq, void *data)
ci->b_sess_valid_event = true;
/* Clear BSV irq */
hw_write_otgsc(ci, OTGSC_BSVIS, OTGSC_BSVIS);
disable_irq_nosync(ci->irq);
queue_work(ci->wq, &ci->work);
ci_otg_queue_work(ci);
return IRQ_HANDLED;
}

5
drivers/usb/chipidea/otg.h
View File

@ -17,5 +17,10 @@ int ci_hdrc_otg_init(struct ci_hdrc *ci);
void ci_hdrc_otg_destroy(struct ci_hdrc *ci);
enum ci_role ci_otg_role(struct ci_hdrc *ci);
void ci_handle_vbus_change(struct ci_hdrc *ci);
static inline void ci_otg_queue_work(struct ci_hdrc *ci)
{
disable_irq_nosync(ci->irq);
queue_work(ci->wq, &ci->work);
}
#endif /* __DRIVERS_USB_CHIPIDEA_OTG_H */

69
drivers/usb/chipidea/otg_fsm.c
View File

@ -84,8 +84,7 @@ set_a_bus_req(struct device *dev, struct device_attribute *attr,
ci->fsm.a_bus_req = 1;
}
disable_irq_nosync(ci->irq);
queue_work(ci->wq, &ci->work);
ci_otg_queue_work(ci);
mutex_unlock(&ci->fsm.lock);
return count;
@ -125,8 +124,7 @@ set_a_bus_drop(struct device *dev, struct device_attribute *attr,
ci->fsm.a_bus_req = 0;
}
disable_irq_nosync(ci->irq);
queue_work(ci->wq, &ci->work);
ci_otg_queue_work(ci);
mutex_unlock(&ci->fsm.lock);
return count;
@ -165,8 +163,7 @@ set_b_bus_req(struct device *dev, struct device_attribute *attr,
else if (buf[0] == '1')
ci->fsm.b_bus_req = 1;
disable_irq_nosync(ci->irq);
queue_work(ci->wq, &ci->work);
ci_otg_queue_work(ci);
mutex_unlock(&ci->fsm.lock);
return count;
@ -186,8 +183,7 @@ set_a_clr_err(struct device *dev, struct device_attribute *attr,
if (buf[0] == '1')
ci->fsm.a_clr_err = 1;
disable_irq_nosync(ci->irq);
queue_work(ci->wq, &ci->work);
ci_otg_queue_work(ci);
mutex_unlock(&ci->fsm.lock);
return count;
@ -297,8 +293,7 @@ static void set_tmout_and_fsm(void *ptr, unsigned long indicator)
set_tmout(ci, indicator);
disable_irq_nosync(ci->irq);
queue_work(ci->wq, &ci->work);
ci_otg_queue_work(ci);
}
static void a_wait_vfall_tmout_func(void *ptr, unsigned long indicator)
@ -312,8 +307,7 @@ static void a_wait_vfall_tmout_func(void *ptr, unsigned long indicator)
hw_write_otgsc(ci, OTGSC_DPIS, OTGSC_DPIS);
/* Enable data pulse irq */
hw_write_otgsc(ci, OTGSC_DPIE, OTGSC_DPIE);
disable_irq_nosync(ci->irq);
queue_work(ci->wq, &ci->work);
ci_otg_queue_work(ci);
}
static void b_ase0_brst_tmout_func(void *ptr, unsigned long indicator)
@ -324,8 +318,7 @@ static void b_ase0_brst_tmout_func(void *ptr, unsigned long indicator)
if (!hw_read_otgsc(ci, OTGSC_BSV))
ci->fsm.b_sess_vld = 0;
disable_irq_nosync(ci->irq);
queue_work(ci->wq, &ci->work);
ci_otg_queue_work(ci);
}
static void b_ssend_srp_tmout_func(void *ptr, unsigned long indicator)
@ -335,10 +328,8 @@ static void b_ssend_srp_tmout_func(void *ptr, unsigned long indicator)
set_tmout(ci, indicator);
/* only vbus fall below B_sess_vld in b_idle state */
if (ci->transceiver->state == OTG_STATE_B_IDLE) {
disable_irq_nosync(ci->irq);
queue_work(ci->wq, &ci->work);
}
if (ci->transceiver->state == OTG_STATE_B_IDLE)
ci_otg_queue_work(ci);
}
static void b_sess_vld_tmout_func(void *ptr, unsigned long indicator)
@ -349,8 +340,7 @@ static void b_sess_vld_tmout_func(void *ptr, unsigned long indicator)
if (!(hw_read_otgsc(ci, OTGSC_BSV))) {
ci->fsm.b_sess_vld = 0;
ci_otg_add_timer(ci, B_SSEND_SRP);
disable_irq_nosync(ci->irq);
queue_work(ci->wq, &ci->work);
ci_otg_queue_work(ci);
}
}
@ -365,8 +355,7 @@ static void b_data_pulse_end(void *ptr, unsigned long indicator)
hw_write_otgsc(ci, OTGSC_HABA, 0);
disable_irq_nosync(ci->irq);
queue_work(ci->wq, &ci->work);
ci_otg_queue_work(ci);
}
/* Initialize timers */
@ -607,10 +596,8 @@ int ci_otg_fsm_work(struct ci_hdrc *ci)
* a_idle to a_wait_vrise when power up
*/
if ((ci->fsm.id) || (ci->id_event) ||
(ci->fsm.power_up)) {
disable_irq_nosync(ci->irq);
queue_work(ci->wq, &ci->work);
}
(ci->fsm.power_up))
ci_otg_queue_work(ci);
if (ci->id_event)
ci->id_event = false;
} else if (ci->transceiver->state == OTG_STATE_B_IDLE) {
@ -620,8 +607,7 @@ int ci_otg_fsm_work(struct ci_hdrc *ci)
* Further transite to b_periphearl state
* when register gadget driver with vbus on
*/
disable_irq_nosync(ci->irq);
queue_work(ci->wq, &ci->work);
ci_otg_queue_work(ci);
}
}
}
@ -646,22 +632,19 @@ static void ci_otg_fsm_event(struct ci_hdrc *ci)
if (port_conn) {
fsm->b_conn = 1;
fsm->a_bus_req = 1;
disable_irq_nosync(ci->irq);
queue_work(ci->wq, &ci->work);
ci_otg_queue_work(ci);
}
break;
case OTG_STATE_B_IDLE:
if (otg_bsess_vld && (intr_sts & USBi_PCI) && port_conn) {
fsm->b_sess_vld = 1;
disable_irq_nosync(ci->irq);
queue_work(ci->wq, &ci->work);
ci_otg_queue_work(ci);
}
break;
case OTG_STATE_B_PERIPHERAL:
if ((intr_sts & USBi_SLI) && port_conn && otg_bsess_vld) {
fsm->a_bus_suspend = 1;
disable_irq_nosync(ci->irq);
queue_work(ci->wq, &ci->work);
ci_otg_queue_work(ci);
} else if (intr_sts & USBi_PCI) {
if (fsm->a_bus_suspend == 1)
fsm->a_bus_suspend = 0;
@ -671,8 +654,7 @@ static void ci_otg_fsm_event(struct ci_hdrc *ci)
if ((intr_sts & USBi_PCI) && !port_conn) {
fsm->a_conn = 0;
fsm->b_bus_req = 0;
disable_irq_nosync(ci->irq);
queue_work(ci->wq, &ci->work);
ci_otg_queue_work(ci);
ci_otg_add_timer(ci, B_SESS_VLD);
}
break;
@ -706,22 +688,19 @@ static void ci_otg_fsm_event(struct ci_hdrc *ci)
/* A device to be peripheral mode */
ci->gadget.is_a_peripheral = 1;
}
disable_irq_nosync(ci->irq);
queue_work(ci->wq, &ci->work);
ci_otg_queue_work(ci);
}
break;
case OTG_STATE_A_HOST:
if ((intr_sts & USBi_PCI) && !port_conn) {
fsm->b_conn = 0;
disable_irq_nosync(ci->irq);
queue_work(ci->wq, &ci->work);
ci_otg_queue_work(ci);
}
break;
case OTG_STATE_B_WAIT_ACON:
if ((intr_sts & USBi_PCI) && port_conn) {
fsm->a_conn = 1;
disable_irq_nosync(ci->irq);
queue_work(ci->wq, &ci->work);
ci_otg_queue_work(ci);
}
break;
default:
@ -782,8 +761,7 @@ irqreturn_t ci_otg_fsm_irq(struct ci_hdrc *ci)
fsm->b_conn = 0;
}
}
disable_irq_nosync(ci->irq);
queue_work(ci->wq, &ci->work);
ci_otg_queue_work(ci);
return IRQ_HANDLED;
}
@ -794,8 +772,7 @@ irqreturn_t ci_otg_fsm_irq(struct ci_hdrc *ci)
void ci_hdrc_otg_fsm_start(struct ci_hdrc *ci)
{
disable_irq_nosync(ci->irq);
queue_work(ci->wq, &ci->work);
ci_otg_queue_work(ci);
}
int ci_hdrc_otg_fsm_init(struct ci_hdrc *ci)