mirror of
https://github.com/torvalds/linux.git
synced 2024-12-27 05:11:48 +00:00
8b97d73c4d
The ChipIdea IRQ is disabled before scheduling the otg work and
re-enabled on otg work completion. However if the job is already
scheduled we have to undo the effect of disable_irq int order to
balance the IRQ disable-depth value.
Fixes: be6b0c1bd0 ("usb: chipidea: using one inline function to cover queue work operations")
Signed-off-by: Loic Poulain <loic.poulain@linaro.org>
Signed-off-by: Peter Chen <peter.chen@nxp.com>
25 lines
695 B
C
25 lines
695 B
C
// SPDX-License-Identifier: GPL-2.0
|
|
/*
|
|
* Copyright (C) 2013-2014 Freescale Semiconductor, Inc.
|
|
*
|
|
* Author: Peter Chen
|
|
*/
|
|
|
|
#ifndef __DRIVERS_USB_CHIPIDEA_OTG_H
|
|
#define __DRIVERS_USB_CHIPIDEA_OTG_H
|
|
|
|
u32 hw_read_otgsc(struct ci_hdrc *ci, u32 mask);
|
|
void hw_write_otgsc(struct ci_hdrc *ci, u32 mask, u32 data);
|
|
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);
|
|
if (queue_work(ci->wq, &ci->work) == false)
|
|
enable_irq(ci->irq);
|
|
}
|
|
|
|
#endif /* __DRIVERS_USB_CHIPIDEA_OTG_H */
|