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genirq: Set irq masked state when initializing irq_desc

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The irq default state is set to disabled when allocating irq desc, but the
masked state flag is not set. This is inconsistent vs. the state tracking
logic which is used to prevent unnecessary calls to hardware level irq chip
functions.

Set the masked state flag as well.

Signed-off-by: Jeffy Chen <[email protected]>
Signed-off-by: Thomas Gleixner <[email protected]>
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Link: http://lkml.kernel.org/r/[email protected]
This commit is contained in:
Jeffy Chen 2017-06-26 19:33:33 +08:00 • committed by Thomas Gleixner
commit d829b8fb24
1 changed files with 1 additions and 0 deletions
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1
kernel/irq/irqdesc.c
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@ -116,6 +116,7 @@ static void desc_set_defaults(unsigned int irq, struct irq_desc *desc, int node,
desc->irq_data.chip_data = NULL;
irq_settings_clr_and_set(desc, ~0, _IRQ_DEFAULT_INIT_FLAGS);
irqd_set(&desc->irq_data, IRQD_IRQ_DISABLED);
irqd_set(&desc->irq_data, IRQD_IRQ_MASKED);
desc->handle_irq = handle_bad_irq;
desc->depth = 1;
desc->irq_count = 0;