Messages in this thread | | | From | Thomas Gleixner <> | Subject | Re: [PATCH v2 3/6] irqchip: Add Loongson PCH PIC controller | Date | Wed, 13 May 2020 14:09:09 +0200 |
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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
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