Re: [PATCH 1/4] cxl/pci: Allocate irq vectors earlier in pci probe

From: Jonathan Cameron
Date: Thu May 11 2023 - 11:13:23 EST


On Fri, 21 Apr 2023 21:09:25 -0600
Vishal Verma <vishal.l.verma@xxxxxxxxx> wrote:

> From: Davidlohr Bueso <dave@xxxxxxxxxxxx>
>
> Move the cxl_alloc_irq_vectors() call further up in the probing
> in order to allow for mailbox interrupt usage. No change in
> semantics.
>
> Signed-off-by: Davidlohr Bueso <dave@xxxxxxxxxxxx>
> Link: https://lore.kernel.org/r/20230421092321.12741-2-dave@xxxxxxxxxxxx
> Signed-off-by: Vishal Verma <vishal.l.verma@xxxxxxxxx>

If it merges with this set to make life easier for picking it up
I'll repeat this here.

Reviewed-by: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx>

> ---
> drivers/cxl/pci.c | 8 ++++----
> 1 file changed, 4 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/cxl/pci.c b/drivers/cxl/pci.c
> index 60b23624d167..39b829a29f6c 100644
> --- a/drivers/cxl/pci.c
> +++ b/drivers/cxl/pci.c
> @@ -757,6 +757,10 @@ static int cxl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
> if (rc)
> dev_dbg(&pdev->dev, "Failed to map RAS capability.\n");
>
> + rc = cxl_alloc_irq_vectors(pdev);
> + if (rc)
> + return rc;
> +
> rc = cxl_pci_setup_mailbox(cxlds);
> if (rc)
> return rc;
> @@ -777,10 +781,6 @@ static int cxl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
> if (rc)
> return rc;
>
> - rc = cxl_alloc_irq_vectors(pdev);
> - if (rc)
> - return rc;
> -
> cxlmd = devm_cxl_add_memdev(cxlds);
> if (IS_ERR(cxlmd))
> return PTR_ERR(cxlmd);
>