On Fri, Jan 28, 2022 at 01:24:04PM +0800, Yonglin Tan wrote:
> For default mechanism, the driver uses default MRU 3500 if mru_default
> is not initialized. The Qualcomm configured the MRU size to 32768 in the
> WWAN device FW. So, we align the driver setting with Qualcomm FW setting.
>
> Signed-off-by: Yonglin Tan <[email protected]>
Please add the Fixes tag for commit ac4bf60bbaa0 and CC stable list.
Also the subject should be:
"bus: mhi: pci_generic: Add mru_default for Quectel EM1xx series"
With that,
Reviewed-by: Manivannan Sadhasivam <[email protected]>
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 b798958..9527b7d 100644
> --- a/drivers/bus/mhi/pci_generic.c
> +++ b/drivers/bus/mhi/pci_generic.c
> @@ -327,6 +327,7 @@ static const struct mhi_pci_dev_info mhi_quectel_em1xx_info = {
> .config = &modem_quectel_em1xx_config,
> .bar_num = MHI_PCI_DEFAULT_BAR_NUM,
> .dma_data_width = 32,
> + .mru_default = 32768,
> .sideband_wake = true,
> };
>
> --
> 2.7.4
>