lkml.org 
[lkml]   [2018]   [Apr]   [17]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH v5 07/10] PCI: dwc: Define maximum number of vectors
From
Date
Hi Gustavo,

Às 3:34 PM de 4/17/2018, Gustavo Pimentel escreveu:
> 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>
> ---
> 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.
>
> 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)
>

Yes, in our reference plat driver we should target all the available IRQs. Thanks!

Acked-by: Joao Pinto <jpinto@synopsys.com>

\
 
 \ /
  Last update: 2018-04-17 20:58    [W:0.047 / U:1.476 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site