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drivers: intc_wch_pfic: correct/optimize interrupt disable logic

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The IRER registers are write-only and clear the enable bit for the
provided interrupt. Use a direct write instead of a read/modify/write
sequence to avoid generating a bogus read access and improve performance

Signed-off-by: Benjamin Cabé <benjamin@zephyrproject.org>
This commit is contained in:
Benjamin Cabé 2025-06-07 21:24:05 +02:00 • committed by Benjamin Cabé
commit b15f942684
1 changed files with 1 additions and 1 deletions
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drivers/interrupt_controller/intc_wch_pfic.c
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@ -23,7 +23,7 @@ void arch_irq_enable(unsigned int irq)
void arch_irq_disable(unsigned int irq)
{
PFIC->IRER[irq / 32] |= 1 << (irq % 32);
PFIC->IRER[irq / 32] = 1 << (irq % 32);
}
int arch_irq_is_enabled(unsigned int irq)