sh: Cleanup IRQ disabling for hardirq handlers.
The generic hardirq layer already takes care of a lot of the appropriate locking and disabling for us, no need to duplicate it in the handlers.. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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@ -57,12 +57,9 @@ static void shutdown_systemh_irq(unsigned int irq)
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static void disable_systemh_irq(unsigned int irq)
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{
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if (systemh_irq_mask_register) {
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unsigned long flags;
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unsigned long val, mask = 0x01 << 1;
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/* Clear the "irq"th bit in the mask and set it in the request */
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local_irq_save(flags);
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val = ctrl_inl((unsigned long)systemh_irq_mask_register);
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val &= ~mask;
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ctrl_outl(val, (unsigned long)systemh_irq_mask_register);
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@ -70,23 +67,18 @@ static void disable_systemh_irq(unsigned int irq)
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val = ctrl_inl((unsigned long)systemh_irq_request_register);
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val |= mask;
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ctrl_outl(val, (unsigned long)systemh_irq_request_register);
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local_irq_restore(flags);
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}
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}
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static void enable_systemh_irq(unsigned int irq)
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{
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if (systemh_irq_mask_register) {
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unsigned long flags;
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unsigned long val, mask = 0x01 << 1;
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/* Set "irq"th bit in the mask register */
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local_irq_save(flags);
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val = ctrl_inl((unsigned long)systemh_irq_mask_register);
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val |= mask;
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ctrl_outl(val, (unsigned long)systemh_irq_mask_register);
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local_irq_restore(flags);
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}
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}
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