Messages in this thread | | | Date | Fri, 4 Sep 2020 08:45:01 -0300 | From | Jason Gunthorpe <> | Subject | Re: [PATCH] PCI: tegra: Convert to MSI domains |
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On Fri, Sep 04, 2020 at 12:56:13PM +0200, Thierry Reding wrote: > +static void tegra_msi_irq_mask(struct irq_data *d) > +{ > + struct tegra_msi *msi = irq_data_get_irq_chip_data(d); > + struct tegra_pcie *pcie = msi_to_pcie(msi); > + unsigned int index = d->hwirq / 32; > + u32 value; > + > + value = afi_readl(pcie, AFI_MSI_EN_VEC(index)); > + value &= ~BIT(d->hwirq % 32); > + afi_writel(pcie, value, AFI_MSI_EN_VEC(index)); > +}
Do these need a flushing write? The Mask operation should be synchronous?
Thanks, Jason
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