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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi Bjorn, On Wed, 2023-12-06 at 11:07 -0600, Bjorn Helgaas wrote: > On Wed, Dec 06, 2023 at 04:37:52PM +0800, Jianjun Wang wrote: > > Use 'dmam_alloc_coherent' to allocate the MSI address, instead of > using > > 'virt_to_phys'. > > s/'dmam_alloc_coherent'/dmam_alloc_coherent()/ > s/'virt_to_phys'/virt_to_phys()/ > > In subject also. > > > @@ -732,8 +740,11 @@ static int mtk_pcie_startup_port_v2(struct > mtk_pcie_port *port) > > val &= ~INTX_MASK; > > writel(val, port->base + PCIE_INT_MASK); > > > > -if (IS_ENABLED(CONFIG_PCI_MSI)) > > -mtk_pcie_enable_msi(port); > > +if (IS_ENABLED(CONFIG_PCI_MSI)) { > > +err = mtk_pcie_enable_msi(port); > > +if (err) > > +return err; > > Is failure to enable MSI a fatal issue? It looks like this will make > the host controller completely unusable if we can't set up MSI, even > if downstream PCI devices could use INTx and get along without MSI. This shouldn't be a fatal issue, we can still use INTx, I'll fix them in the next version, thanks for your review. Thanks. > > Bjorn _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel