Richard,
On 9 December 2013 10:25, Richard Zhu <richard.zhuhongxing@xxxxxxxxx> wrote:
> [...]
> + if (pp->quirks & DW_PCIE_QUIRK_NO_MSI_VEC) {
> + irq = assign_irq(1, desc, &pos);
> + set_irq_flags(irq, IRQF_VALID);
> + } else {
> [...]
Thanks, the above quirk fixes the problem with the MSIX interrupts
> [...]
> + if (pp->quirks & DW_PCIE_QUIRK_MSI_SELF_EN) {
> + if ((type == PCI_CAP_ID_MSI) || (type == PCI_CAP_ID_MSIX)) {
> + /* Set MSI enable of RC here */
> + val = readl(pp->dbi_base + 0x50);
> + if ((val & (PCI_MSI_FLAGS_ENABLE << 16)) == 0) {
> + val |= PCI_MSI_FLAGS_ENABLE << 16;
> + writel(val, pp->dbi_base + 0x50);
> + }
> + }
> + }
> [...]
Why is it actually needed to change the value from 0x1807005 to 0x1817005?
On the SabreSD the MSI interrupts also work without this change.
Best regards,
Harro
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