From 2d27ae899856d07db88cf84bf9b1f204bab23e96 Mon Sep 17 00:00:00 2001 From: Gustavo Pimentel Date: Mon, 14 May 2018 16:06:33 +0100 Subject: [PATCH] PCI: dwc: Define maximum number of vectors Add a callback to define the maximum number of vectors used by the RC. Since this is a parameter associated to each SoC IP setting, makes sense to be configurable and easily visible to future modifications. Set DesignWare driver vectors number maximum to 256. Signed-off-by: Gustavo Pimentel Signed-off-by: Lorenzo Pieralisi Acked-by: Joao Pinto Acked-by: Jingoo Han --- drivers/pci/dwc/pcie-designware-plat.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/pci/dwc/pcie-designware-plat.c b/drivers/pci/dwc/pcie-designware-plat.c index 5416aa8..80a2782 100644 --- a/drivers/pci/dwc/pcie-designware-plat.c +++ b/drivers/pci/dwc/pcie-designware-plat.c @@ -38,8 +38,14 @@ static int dw_plat_pcie_host_init(struct pcie_port *pp) return 0; } +static void dw_plat_set_num_vectors(struct pcie_port *pp) +{ + pp->num_vectors = MAX_MSI_IRQS; +} + static const struct dw_pcie_host_ops dw_plat_pcie_host_ops = { .host_init = dw_plat_pcie_host_init, + .set_num_vectors = dw_plat_set_num_vectors, }; static int dw_plat_add_pcie_port(struct pcie_port *pp, -- 2.7.4