Re: [PATCH] bus: mhi: host: pci_generic: Remove assign resource usage

From: Manivannan Sadhasivam
Date: Thu Apr 24 2025 - 01:08:16 EST


On Wed, Apr 16, 2025 at 10:49:51AM +0530, Subramanian Ananthanarayanan wrote:
> Avoid redundant usage of pci_assign_resource for BAR allocation.
> This is already taken care by PCIe framework. Invocation of this
> API leads to unnecessary relocation of BAR space to a new memory
> address.
>
> Signed-off-by: Subramanian Ananthanarayanan <quic_skananth@xxxxxxxxxxx>

Applied to mhi-next!

- Mani

> ---
> drivers/bus/mhi/host/pci_generic.c | 4 ----
> 1 file changed, 4 deletions(-)
>
> diff --git a/drivers/bus/mhi/host/pci_generic.c b/drivers/bus/mhi/host/pci_generic.c
> index 03aa88795209..7501abc835c7 100644
> --- a/drivers/bus/mhi/host/pci_generic.c
> +++ b/drivers/bus/mhi/host/pci_generic.c
> @@ -996,10 +996,6 @@ static int mhi_pci_claim(struct mhi_controller *mhi_cntrl,
> struct pci_dev *pdev = to_pci_dev(mhi_cntrl->cntrl_dev);
> int err;
>
> - err = pci_assign_resource(pdev, bar_num);
> - if (err)
> - return err;
> -
> err = pcim_enable_device(pdev);
> if (err) {
> dev_err(&pdev->dev, "failed to enable pci device: %d\n", err);
>
> ---
> base-commit: 5b37f7bfff3b1582c34be8fb23968b226db71ebd
> change-id: 20250416-remove_assin_resource-aa0db88d02eb
>
> Best regards,
> --
> Subramanian Ananthanarayanan <quic_skananth@xxxxxxxxxxx>
>

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