On Fri, 11 Sep 2020 18:33:34 +0900, Kunihiko Hayashi wrote: > This patch adds misc interrupt handler to detect and invoke PME/AER event. > > In UniPhier PCIe controller, PME/AER signals are assigned to the same > signal as MSI by the internal logic. These signals should be detected by > the internal register, however, DWC MSI handler can't handle these signals. > > DWC MSI handler calls .msi_host_isr() callback function, that detects > PME/AER signals with the internal register and invokes the interrupt > with PME/AER vIRQ numbers. > > These vIRQ numbers is obtained from portdrv in uniphier_add_pcie_port() > function. > > Cc: Marc Zyngier <maz@xxxxxxxxxx> > Cc: Jingoo Han <jingoohan1@xxxxxxxxx> > Cc: Gustavo Pimentel <gustavo.pimentel@xxxxxxxxxxxx> > Cc: Lorenzo Pieralisi <lorenzo.pieralisi@xxxxxxx> > Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@xxxxxxxxxxxxx> > --- > drivers/pci/controller/dwc/pcie-uniphier.c | 77 +++++++++++++++++++++++++----- > 1 file changed, 66 insertions(+), 11 deletions(-) > Reviewed-by: Rob Herring <robh@xxxxxxxxxx>
