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PCI: dwc: Define maximum number of vectors

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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 <gustavo.pimentel@synopsys.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Acked-by: Joao Pinto <jpinto@synopsys.com>
Acked-by: Jingoo Han <jingoohan1@gmail.com>
This commit is contained in:
Gustavo Pimentel
2018-05-14 16:06:33 +01:00
committed by Lorenzo Pieralisi
parent c27fd68c39
commit 2d27ae8998
1 changed files with 6 additions and 0 deletions
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6
drivers/pci/dwc/pcie-designware-plat.c
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@@ -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,