diff mbox series

[v7,6/9] PCI: dwc: Define maximum number of vectors

Message ID 6b2c7ec1835cf422af5703aa14c99dbad8c6ffb8.1524577064.git.gustavo.pimentel@synopsys.com
State Superseded
Delegated to: Lorenzo Pieralisi
Headers show
Series Designware EP support and code clean up | expand

Commit Message

Gustavo Pimentel April 24, 2018, 1:44 p.m. UTC
Adds a callback that defines the maximum number of vectors that can be use
by the Root Complex.

Since this is a parameter associated to each SoC IP setting, makes sense to
be configurable and easily visible to future modifications.

The designware IP supports a maximum of 256 vectors.

Signed-off-by: Gustavo Pimentel <gustavo.pimentel@synopsys.com>
Acked-by: Joao Pinto <jpinto@synopsys.com>
---
Change v1->v2:
 - Nothing changed, just to follow the patch set version.
Change v2->v3:
 - Nothing changed, just to follow the patch set version.
Changes v3->v4:
 - Nothing changed, just to follow the patch set version.
Changes v4->v5:
 - Nothing changed, just to follow the patch set version.
Changes v5->v6:
 - Nothing changed, just to follow the patch set version.
Changes v6->v7:
 - Nothing changed, just to follow the patch set version.

 drivers/pci/dwc/pcie-designware-plat.c | 6 ++++++
 1 file changed, 6 insertions(+)

Comments

Han Jingoo April 24, 2018, 2:39 p.m. UTC | #1
On Tuesday, April 24, 2018 9:45 AM, Gustavo Pimentel wrote:
> 
> Adds a callback that defines the maximum number of vectors that can be use
> by the Root Complex.
> 
> Since this is a parameter associated to each SoC IP setting, makes sense
> to
> be configurable and easily visible to future modifications.
> 
> The designware IP supports a maximum of 256 vectors.
> 
> Signed-off-by: Gustavo Pimentel <gustavo.pimentel@synopsys.com>
> Acked-by: Joao Pinto <jpinto@synopsys.com>

Acked-by: Jingoo Han <jingoohan1@gmail.com>

Best regards,
Jingoo Han


> ---
> Change v1->v2:
>  - Nothing changed, just to follow the patch set version.
> Change v2->v3:
>  - Nothing changed, just to follow the patch set version.
> Changes v3->v4:
>  - Nothing changed, just to follow the patch set version.
> Changes v4->v5:
>  - Nothing changed, just to follow the patch set version.
> Changes v5->v6:
>  - Nothing changed, just to follow the patch set version.
> Changes v6->v7:
>  - Nothing changed, just to follow the patch set version.
> 
>  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 efc315c..5937fed 100644
> --- a/drivers/pci/dwc/pcie-designware-plat.c
> +++ b/drivers/pci/dwc/pcie-designware-plat.c
> @@ -48,8 +48,14 @@ 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_pcie_establish_link(struct dw_pcie *pci)
> --
> 2.7.4
>
diff mbox series

Patch

diff --git a/drivers/pci/dwc/pcie-designware-plat.c b/drivers/pci/dwc/pcie-designware-plat.c
index efc315c..5937fed 100644
--- a/drivers/pci/dwc/pcie-designware-plat.c
+++ b/drivers/pci/dwc/pcie-designware-plat.c
@@ -48,8 +48,14 @@  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_pcie_establish_link(struct dw_pcie *pci)