linux-kernel - Re: [PATCH v2] bus: mhi: host: pci_generic: Sort mhi_pci_id

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Message-ID: <CAGRyCJEFjx6unWLavitXzyWU9G7vLnW9=b+xU-sLLq6LwU3Aow@mail.gmail.com>
Date:   Tue, 12 Apr 2022 12:30:18 +0200
From:   Daniele Palmas <dnlplm@...il.com>
To:     Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
Cc:     mhi@...ts.linux.dev, quic_hemantk@...cinc.com,
        quic_bbhatt@...cinc.com, linux-arm-msm@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Loic Poulain <loic.poulain@...aro.org>
Subject: Re: [PATCH v2] bus: mhi: host: pci_generic: Sort mhi_pci_id_table
 based on the PID

Hi Mani,

Il giorno lun 11 apr 2022 alle ore 15:34 Manivannan Sadhasivam
<manivannan.sadhasivam@...aro.org> ha scritto:
>
> Sorting this way helps in identifying the products of vendors. There is no
> sorting required for VID and the new VID should be added as the last entry.
>
> Let's also add a note clarifying this.
>
> Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
> ---
>

Reviewed-by: Daniele Palmas <dnlplm@...il.com>

I will wait for this change to be merged, then rebase the FN980 one.

Thanks,
Daniele

> Changes in v2:
>
> * Fixup the 0x0306 entry by moving it after subid
>
>  drivers/bus/mhi/host/pci_generic.c | 9 +++++----
>  1 file changed, 5 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/bus/mhi/host/pci_generic.c b/drivers/bus/mhi/host/pci_generic.c
> index 541ced27d941..8858f3bf4f04 100644
> --- a/drivers/bus/mhi/host/pci_generic.c
> +++ b/drivers/bus/mhi/host/pci_generic.c
> @@ -446,20 +446,21 @@ static const struct mhi_pci_dev_info mhi_sierra_em919x_info = {
>         .sideband_wake = false,
>  };
>
> +/* Keep the list sorted based on the PID. New VID should be added as the last entry */
>  static const struct pci_device_id mhi_pci_id_table[] = {
> +       { PCI_DEVICE(PCI_VENDOR_ID_QCOM, 0x0304),
> +               .driver_data = (kernel_ulong_t) &mhi_qcom_sdx24_info },
>         /* EM919x (sdx55), use the same vid:pid as qcom-sdx55m */
>         { PCI_DEVICE_SUB(PCI_VENDOR_ID_QCOM, 0x0306, 0x18d7, 0x0200),
>                 .driver_data = (kernel_ulong_t) &mhi_sierra_em919x_info },
>         { PCI_DEVICE(PCI_VENDOR_ID_QCOM, 0x0306),
>                 .driver_data = (kernel_ulong_t) &mhi_qcom_sdx55_info },
> -       { PCI_DEVICE(PCI_VENDOR_ID_QCOM, 0x0304),
> -               .driver_data = (kernel_ulong_t) &mhi_qcom_sdx24_info },
> +       { PCI_DEVICE(PCI_VENDOR_ID_QCOM, 0x0308),
> +               .driver_data = (kernel_ulong_t) &mhi_qcom_sdx65_info },
>         { PCI_DEVICE(0x1eac, 0x1001), /* EM120R-GL (sdx24) */
>                 .driver_data = (kernel_ulong_t) &mhi_quectel_em1xx_info },
>         { PCI_DEVICE(0x1eac, 0x1002), /* EM160R-GL (sdx24) */
>                 .driver_data = (kernel_ulong_t) &mhi_quectel_em1xx_info },
> -       { PCI_DEVICE(PCI_VENDOR_ID_QCOM, 0x0308),
> -               .driver_data = (kernel_ulong_t) &mhi_qcom_sdx65_info },
>         /* T99W175 (sdx55), Both for eSIM and Non-eSIM */
>         { PCI_DEVICE(PCI_VENDOR_ID_FOXCONN, 0xe0ab),
>                 .driver_data = (kernel_ulong_t) &mhi_foxconn_sdx55_info },
> --
> 2.25.1
>