linux-kernel - Re: [PATCH 1/5] bus: mhi: host: pci_generic: Add SRIOV support for PCIe device

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Message-ID: <d1973316-d6d0-443c-b155-ad8890b8c971@oss.qualcomm.com>
Date: Thu, 3 Jul 2025 17:32:55 +0200
From: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
To: Vivek.Pernamitta@...cinc.com, Manivannan Sadhasivam <mani@...nel.org>
Cc: mhi@...ts.linux.dev, linux-arm-msm@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Vivek Pernamitta <quic_vpernami@...cinc.com>
Subject: Re: [PATCH 1/5] bus: mhi: host: pci_generic: Add SRIOV support for
 PCIe device



On 03-Jul-25 17:09, Vivek.Pernamitta@...cinc.com wrote:
> From: Vivek Pernamitta <quic_vpernami@...cinc.com>
> 
> Add SRIOV support for PCIe devices.
> 
> Signed-off-by: Vivek Pernamitta <quic_vpernami@...cinc.com>
> ---
>  drivers/bus/mhi/host/pci_generic.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/bus/mhi/host/pci_generic.c b/drivers/bus/mhi/host/pci_generic.c
> index 5c01c23d0bcfedd23f975e99845d5fa88940ccde..3e6e2d38935927cf3352c039266cae7cadb4c118 100644
> --- a/drivers/bus/mhi/host/pci_generic.c
> +++ b/drivers/bus/mhi/host/pci_generic.c
> @@ -1607,7 +1607,8 @@ static struct pci_driver mhi_pci_driver = {
>  	.remove		= mhi_pci_remove,
>  	.shutdown	= mhi_pci_shutdown,
>  	.err_handler	= &mhi_pci_err_handler,
> -	.driver.pm	= &mhi_pci_pm_ops
> +	.driver.pm	= &mhi_pci_pm_ops,
> +	.sriov_configure = pci_sriov_configure_simple

If I read things correctly, patches 2-4 are strictly necessary
for the device to work under SR-IOV, so this patch should come
*after* all of these fixes

Konrad