linux-kernel - Re: [PATCH v2] bus: mhi: host: Add support for Cinterion MV32-WA/MV32-WB

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Date:   Sat, 23 Apr 2022 19:05:32 +0530
From:   Manivannan Sadhasivam <mani@...nel.org>
To:     Slark Xiao <slark_xiao@....com>
Cc:     hemantk@...eaurora.org, gregkh@...uxfoundation.org,
        loic.poulain@...aro.org, bbhatt@...eaurora.org,
        christophe.jaillet@...adoo.fr, thomas.ulrich@...lesgroup.com,
        mhi@...ts.linux.dev, linux-arm-msm@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] bus: mhi: host: Add support for Cinterion
 MV32-WA/MV32-WB

On Thu, Apr 21, 2022 at 05:21:41PM +0800, Slark Xiao wrote:
> MV32-WA is designed based on Qualcomm SDX62, and
> MV32-WB is designed based on QUalcomm SDX65. Both
> products' enumeration would align with previous
> product MV31-W.So we merge MV31 and MV32 to MV3X
> for some common settings.
> 
> Fixes: 87693e092bd0 ("bus: mhi: pci_generic: Add Cinterion MV31-W PCIe to MHI")

As Loic noted, Fixes tag is not relevant here. I'll remove it while applying.

> Signed-off-by: Slark Xiao <slark_xiao@....com>

Reviewed-by: Manivannan Sadhasivam <mani@...nel.org>

Thanks,
Mani

> ---
>  drivers/bus/mhi/host/pci_generic.c | 30 ++++++++++++++++++++++--------
>  1 file changed, 22 insertions(+), 8 deletions(-)
> 
> diff --git a/drivers/bus/mhi/host/pci_generic.c b/drivers/bus/mhi/host/pci_generic.c
> index 9527b7d63840..ef8c16746b76 100644
> --- a/drivers/bus/mhi/host/pci_generic.c
> +++ b/drivers/bus/mhi/host/pci_generic.c
> @@ -371,7 +371,7 @@ static const struct mhi_pci_dev_info mhi_foxconn_sdx55_info = {
>  	.sideband_wake = false,
>  };
>  
> -static const struct mhi_channel_config mhi_mv31_channels[] = {
> +static const struct mhi_channel_config mhi_mv3x_channels[] = {
>  	MHI_CHANNEL_CONFIG_UL(0, "LOOPBACK", 64, 0),
>  	MHI_CHANNEL_CONFIG_DL(1, "LOOPBACK", 64, 0),
>  	/* MBIM Control Channel */
> @@ -382,25 +382,33 @@ static const struct mhi_channel_config mhi_mv31_channels[] = {
>  	MHI_CHANNEL_CONFIG_HW_DL(101, "IP_HW0_MBIM", 512, 3),
>  };
>  
> -static struct mhi_event_config mhi_mv31_events[] = {
> +static struct mhi_event_config mhi_mv3x_events[] = {
>  	MHI_EVENT_CONFIG_CTRL(0, 256),
>  	MHI_EVENT_CONFIG_DATA(1, 256),
>  	MHI_EVENT_CONFIG_HW_DATA(2, 1024, 100),
>  	MHI_EVENT_CONFIG_HW_DATA(3, 1024, 101),
>  };
>  
> -static const struct mhi_controller_config modem_mv31_config = {
> +static const struct mhi_controller_config modem_mv3x_config = {
>  	.max_channels = 128,
>  	.timeout_ms = 20000,
> -	.num_channels = ARRAY_SIZE(mhi_mv31_channels),
> -	.ch_cfg = mhi_mv31_channels,
> -	.num_events = ARRAY_SIZE(mhi_mv31_events),
> -	.event_cfg = mhi_mv31_events,
> +	.num_channels = ARRAY_SIZE(mhi_mv3x_channels),
> +	.ch_cfg = mhi_mv3x_channels,
> +	.num_events = ARRAY_SIZE(mhi_mv3x_events),
> +	.event_cfg = mhi_mv3x_events,
>  };
>  
>  static const struct mhi_pci_dev_info mhi_mv31_info = {
>  	.name = "cinterion-mv31",
> -	.config = &modem_mv31_config,
> +	.config = &modem_mv3x_config,
> +	.bar_num = MHI_PCI_DEFAULT_BAR_NUM,
> +	.dma_data_width = 32,
> +	.mru_default = 32768,
> +};
> +
> +static const struct mhi_pci_dev_info mhi_mv32_info = {
> +	.name = "cinterion-mv32",
> +	.config = &modem_mv3x_config,
>  	.bar_num = MHI_PCI_DEFAULT_BAR_NUM,
>  	.dma_data_width = 32,
>  	.mru_default = 32768,
> @@ -475,6 +483,12 @@ static const struct pci_device_id mhi_pci_id_table[] = {
>  	/* MV31-W (Cinterion) */
>  	{ PCI_DEVICE(0x1269, 0x00b3),
>  		.driver_data = (kernel_ulong_t) &mhi_mv31_info },
> +	/* MV32-WA (Cinterion) */
> +	{ PCI_DEVICE(0x1269, 0x00ba),
> +		.driver_data = (kernel_ulong_t) &mhi_mv32_info },
> +	/* MV32-WB (Cinterion) */
> +	{ PCI_DEVICE(0x1269, 0x00bb),
> +		.driver_data = (kernel_ulong_t) &mhi_mv32_info },
>  	{  }
>  };
>  MODULE_DEVICE_TABLE(pci, mhi_pci_id_table);
> -- 
> 2.25.1
>