Re: [PATCH v2] bus: mhi: host: pci_generic: Add support for Quectel RM520N-GL modem

[Manivannan Sadhasivam <mani@kernel.org>]

On Tue, Jan 17, 2023 at 05:12:30PM -0800, Duke Xin(辛安文) wrote:
> The project is based on Qualcomm's sdx6x chips for laptop,so the mhi interface definition and
> enumeration align with previous Quectel sdx24 configuration
> 

How about,

RM520N-GL modem is based on SDX6x chipsets from Qualcomm and they reuse
Quectel's em1xx MHI configuration.

> Signed-off-by: Duke Xin(辛安文) <duke_xinanwen@163.com>
> ---
>  drivers/bus/mhi/host/pci_generic.c | 12 ++++++++++++
>  1 file changed, 12 insertions(+)
> 
> diff --git a/drivers/bus/mhi/host/pci_generic.c b/drivers/bus/mhi/host/pci_generic.c
> index f39657f71483..e1d697839535 100644
> --- a/drivers/bus/mhi/host/pci_generic.c
> +++ b/drivers/bus/mhi/host/pci_generic.c
> @@ -335,6 +335,16 @@ static const struct mhi_pci_dev_info mhi_quectel_em1xx_info = {
>  	.sideband_wake = true,
>  };
>  
> +static const struct mhi_pci_dev_info mhi_quectel_rm5xx_info = {
> +	.name = "quectel-rm5xx",
> +	.edl = "qcom/prog_firehose_sdx6x.elf",
> +	.config = &modem_quectel_em1xx_config,
> +	.bar_num = MHI_PCI_DEFAULT_BAR_NUM,
> +	.dma_data_width = 32,
> +	.mru_default = 32768,
> +	.sideband_wake = true,
> +};
> +
>  static const struct mhi_channel_config mhi_foxconn_sdx55_channels[] = {
>  	MHI_CHANNEL_CONFIG_UL(0, "LOOPBACK", 32, 0),
>  	MHI_CHANNEL_CONFIG_DL(1, "LOOPBACK", 32, 0),
> @@ -569,6 +579,8 @@ static const struct pci_device_id mhi_pci_id_table[] = {
>  		.driver_data = (kernel_ulong_t) &mhi_quectel_em1xx_info },
>  	{ PCI_DEVICE(PCI_VENDOR_ID_QUECTEL, 0x2001), /* EM120R-GL for FCCL (sdx24) */
>  		.driver_data = (kernel_ulong_t) &mhi_quectel_em1xx_info },
> +	{ PCI_DEVICE(PCI_VENDOR_ID_QUECTEL, 0x1004), /* RM520N-GL (sdx6x) */
> +		.driver_data = (kernel_ulong_t) &mhi_quectel_rm5xx_info },

Entry needs to be sorted. See the comment above mhi_pci_id_table definition.

Thanks,
Mani

>  	/* 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
> 

-- 
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