At 2024-06-11 09:24:07, "Slark Xiao" <slark_xiao@xxxxxxx> wrote:
>
>+More maintainer to this first patch list.
>
>At 2024-06-07 23:01:00, "Jeffrey Hugo" <quic_jhugo@xxxxxxxxxxx> wrote:
>>$Subject says this is patch 1 of 2, but I don't see a second patch nor a
>>cover letter.
>>
Hi Jeffrey,
I added you in another patch just now. Please help take a view on that.
Thanks.
>>On 6/7/2024 4:01 AM, Slark Xiao wrote:
>>> For SDX72 MBIM mode, it starts data mux id from 112 instead of 0.
>>> This would lead to device can't ping outside successfully.
>>> Also MBIM side would report "bad packet session (112)".
>>> So we add a link id default value for SDX72.
>>>
>>> Signed-off-by: Slark Xiao <slark_xiao@xxxxxxx>
>>> ---
>>> drivers/bus/mhi/host/pci_generic.c | 3 +++
>>> include/linux/mhi.h | 1 +
>>> 2 files changed, 4 insertions(+)
>>>
>>> diff --git a/drivers/bus/mhi/host/pci_generic.c b/drivers/bus/mhi/host/pci_generic.c
>>> index 0b483c7c76a1..1f9de2730766 100644
>>> --- a/drivers/bus/mhi/host/pci_generic.c
>>> +++ b/drivers/bus/mhi/host/pci_generic.c
>>> @@ -53,6 +53,7 @@ struct mhi_pci_dev_info {
>>> unsigned int dma_data_width;
>>> unsigned int mru_default;
>>> bool sideband_wake;
>>> + unsigned int link_default;
>>> };
>>>
>>> #define MHI_CHANNEL_CONFIG_UL(ch_num, ch_name, el_count, ev_ring) \
>>> @@ -469,6 +470,7 @@ static const struct mhi_pci_dev_info mhi_foxconn_sdx72_info = {
>>> .dma_data_width = 32,
>>> .mru_default = 32768,
>>> .sideband_wake = false,
>>> + .link_default = 112,
>>> };
>>>
>>> static const struct mhi_channel_config mhi_mv3x_channels[] = {
>>> @@ -1035,6 +1037,7 @@ static int mhi_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
>>> mhi_cntrl->runtime_get = mhi_pci_runtime_get;
>>> mhi_cntrl->runtime_put = mhi_pci_runtime_put;
>>> mhi_cntrl->mru = info->mru_default;
>>> + mhi_cntrl->link_id = info->link_default;
>>>
>>> if (info->edl_trigger)
>>> mhi_cntrl->edl_trigger = mhi_pci_generic_edl_trigger;
>>> diff --git a/include/linux/mhi.h b/include/linux/mhi.h
>>> index b573f15762f8..4da10b99c96e 100644
>>> --- a/include/linux/mhi.h
>>> +++ b/include/linux/mhi.h
>>> @@ -445,6 +445,7 @@ struct mhi_controller {
>>> bool wake_set;
>>> unsigned long irq_flags;
>>> u32 mru;
>>> + u32 link_id;
>>> };
>>>
>>> /**
>>
>>None of this is actually used. Dead code is generally not accepted.
>>
>>-Jeff
