Re: [PATCH net] bus: mhi: Add mru_default for Foxconn SDX55

From: Manivannan Sadhasivam
Date: Mon Jan 17 2022 - 02:53:34 EST


On Sat, Jan 15, 2022 at 06:39:12PM +0800, Slark Xiao wrote:
> For default mechanism, product would use default MRU 3500 if
> they didn't define it. But for Foxconn SDX55, there is a known
> issue which MRU 3500 would lead to data connection lost.
> So we align it with Qualcomm default MRU settings.
>
> Signed-off-by: Slark Xiao <slark_xiao@xxxxxxx>

Reviewed-by: Manivannan Sadhasivam <mani@xxxxxxxxxx>

You need to add Fixes tag so that I can queue this patch for v5.17 RCs.

Thanks,
Mani

> ---
> drivers/bus/mhi/pci_generic.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/bus/mhi/pci_generic.c b/drivers/bus/mhi/pci_generic.c
> index 3a258a677df8..74e8fc342cfd 100644
> --- a/drivers/bus/mhi/pci_generic.c
> +++ b/drivers/bus/mhi/pci_generic.c
> @@ -366,6 +366,7 @@ static const struct mhi_pci_dev_info mhi_foxconn_sdx55_info = {
> .config = &modem_foxconn_sdx55_config,
> .bar_num = MHI_PCI_DEFAULT_BAR_NUM,
> .dma_data_width = 32,
> + .mru_default = 32768,
> .sideband_wake = false,
> };
>
> --
> 2.25.1
>