hwirq_mask 76 drivers/irqchip/irq-sifive-plic.c u32 hwirq_mask = 1 << (hwirq % 32); hwirq_mask 80 drivers/irqchip/irq-sifive-plic.c writel(readl(reg) | hwirq_mask, reg); hwirq_mask 82 drivers/irqchip/irq-sifive-plic.c writel(readl(reg) & ~hwirq_mask, reg);