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usb: otg: notifier: switch to atomic notifier

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most of our notifications, will be called from IRQ
context, so an atomic notifier suits the job better.

Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
Felipe Balbi 2010-09-29 10:55:49 +03:00
parent 002eda1348
commit cccad6d4b1
5 changed files with 14 additions and 14 deletions
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6
include/linux/usb/otg.h
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@ -75,7 +75,7 @@ struct otg_transceiver {
void __iomem *io_priv;
/* for notification of usb_xceiv_events */
struct blocking_notifier_head notifier;
struct atomic_notifier_head notifier;
/* to pass extra port status to the root hub */
u16 port_status;
@ -235,13 +235,13 @@ otg_start_srp(struct otg_transceiver *otg)
static inline int
otg_register_notifier(struct otg_transceiver *otg, struct notifier_block *nb)
{
return blocking_notifier_chain_register(&otg->notifier, nb);
return atomic_notifier_chain_register(&otg->notifier, nb);
}
static inline void
otg_unregister_notifier(struct otg_transceiver *otg, struct notifier_block *nb)
{
blocking_notifier_chain_unregister(&otg->notifier, nb);
atomic_notifier_chain_unregister(&otg->notifier, nb);
}
/* for OTG controller drivers (and maybe other stuff) */