Re: [PATCH v2 3/6] irqchip: Add Loongson PCH PIC controller

Thomas Gleixner
2020-05-13T12:09:20Z

Jiaxun Yang <jiaxun.yang@flygoat.com> writes:
> +static void pch_pic_bitset(struct pch_pic *priv, int offset, int bit)
> +{
> + void __iomem *addr = priv->base + offset + PIC_REG_IDX(bit) * 4;
> + unsigned long flags;
> + u32 reg;
> +
> + raw_spin_lock_irqsave(&priv->pic_lock, flags);

See other reply.

> + reg = readl(addr);
> + reg |= BIT(PIC_REG_BIT(bit));
> + writel(reg, addr);
> + raw_spin_unlock_irqrestore(&priv->pic_lock, flags);
> +}
> +static int pch_pic_of_init(struct device_node *node,
> + struct device_node *parent)
> +{
> + struct pch_pic *priv;
> + struct irq_domain *parent_domain;
> + int err;

ordering

Thanks,

tglx