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staging: speakup: remove custom locking macro definitions
Signed-off-by: William Hubbs <w.d.hubbs@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -77,16 +77,4 @@ extern struct speakup_info_t speakup_info;
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extern struct var_t synth_time_vars[];
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/* Protect the whole speakup machinery, must be taken at each kernel->speakup
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* transition and released at all corresponding speakup->kernel transitions
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* (flags must be the same variable between lock/trylock and unlock).
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*
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* The progression thread only interferes with the speakup machinery through
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* the synth buffer, and so only needs to take the lock while tinkering with
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* it.
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*/
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/* Speakup needs to disable the keyboard IRQ, hence _irqsave/restore */
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#define spk_lock(flags) spin_lock_irqsave(&speakup_info.spinlock, flags)
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#define spk_unlock(flags) spin_unlock_irqrestore(&speakup_info.spinlock, flags)
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#endif
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@ -25,6 +25,18 @@ static int module_status;
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bool spk_quiet_boot;
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struct speakup_info_t speakup_info = {
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/*
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* This spinlock is used to protect the entire speakup machinery, and
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* must be taken at each kernel->speakup transition and released at
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* each corresponding speakup->kernel transition.
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*
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* The progression thread only interferes with the speakup machinery through
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* the synth buffer, so only needs to take the lock while tinkering with
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* the buffer.
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*
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* We use spin_lock/trylock_irqsave and spin_unlock_irqrestore with this
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* spinlock because speakup needs to disable the keyboard IRQ.
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*/
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.spinlock = __SPIN_LOCK_UNLOCKED(speakup_info.spinlock),
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.flushing = 0,
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};
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