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Message-ID: <20240514143741.GA2306@thinkpad>
Date: Tue, 14 May 2024 16:37:41 +0200
From: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
To: Slark Xiao <slark_xiao@....com>
Cc: loic.poulain@...aro.org, mhi@...ts.linux.dev,
	linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] bus: mhi: host: Add Foxconn SDX72 related support

On Fri, May 10, 2024 at 11:26:57AM +0800, Slark Xiao wrote:
> Align with Qcom SDX72, add ready timeout item for Foxconn SDX72.
> And also, add firehose support since SDX72.
> 
> Signed-off-by: Slark Xiao <slark_xiao@....com>
> ---
>  drivers/bus/mhi/host/pci_generic.c | 31 ++++++++++++++++++++++++++++++
>  1 file changed, 31 insertions(+)
> 
> diff --git a/drivers/bus/mhi/host/pci_generic.c b/drivers/bus/mhi/host/pci_generic.c
> index 08844ee79654..0fd94c193fc6 100644
> --- a/drivers/bus/mhi/host/pci_generic.c
> +++ b/drivers/bus/mhi/host/pci_generic.c
> @@ -399,6 +399,8 @@ static const struct mhi_channel_config mhi_foxconn_sdx55_channels[] = {
>  	MHI_CHANNEL_CONFIG_DL(13, "MBIM", 32, 0),
>  	MHI_CHANNEL_CONFIG_UL(32, "DUN", 32, 0),
>  	MHI_CHANNEL_CONFIG_DL(33, "DUN", 32, 0),
> +	MHI_CHANNEL_CONFIG_UL_FP(34, "FIREHOSE", 32, 0),
> +	MHI_CHANNEL_CONFIG_DL_FP(35, "FIREHOSE", 32, 0),

This means SDX55 is also supporting FIREHOSE channels, which is not true I
believe.

>  	MHI_CHANNEL_CONFIG_HW_UL(100, "IP_HW0_MBIM", 128, 2),
>  	MHI_CHANNEL_CONFIG_HW_DL(101, "IP_HW0_MBIM", 128, 3),
>  };
> @@ -419,6 +421,16 @@ static const struct mhi_controller_config modem_foxconn_sdx55_config = {
>  	.event_cfg = mhi_foxconn_sdx55_events,
>  };
>  
> +static const struct mhi_controller_config modem_foxconn_sdx72_config = {
> +	.max_channels = 128,
> +	.timeout_ms = 20000,
> +	.ready_timeout_ms = 50000,
> +	.num_channels = ARRAY_SIZE(mhi_foxconn_sdx55_channels),
> +	.ch_cfg = mhi_foxconn_sdx55_channels,
> +	.num_events = ARRAY_SIZE(mhi_foxconn_sdx55_events),
> +	.event_cfg = mhi_foxconn_sdx55_events,
> +};
> +
>  static const struct mhi_pci_dev_info mhi_foxconn_sdx24_info = {
>  	.name = "foxconn-sdx24",
>  	.config = &modem_foxconn_sdx55_config,
> @@ -448,6 +460,16 @@ static const struct mhi_pci_dev_info mhi_foxconn_sdx65_info = {
>  	.sideband_wake = false,
>  };
>  
> +static const struct mhi_pci_dev_info mhi_foxconn_sdx72_info = {
> +	.name = "foxconn-sdx72",
> +	.edl = "qcom/sdx72m/xbl_s_devprg_ns.melf",

What is '.melf'? Is the firmware available somewhere? Did you plan to upstream
it to linux-firmware?

- Mani

-- 
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