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* [PATCH 1/2] [v2] bus: mhi: pci_generic: Introduce Foxconn T99W175 support
@ 2021-04-08  9:55 Jarvis Jiang
  2021-04-08 12:02 ` Loic Poulain
                   ` (2 more replies)
  0 siblings, 3 replies; 4+ messages in thread
From: Jarvis Jiang @ 2021-04-08  9:55 UTC (permalink / raw)
  To: mani, hemantk
  Cc: linux-kernel, linux-arm-msm, cchen50, mpearson, Jarvis Jiang

Add support for T99W175 modems, this modem series is based on SDX55
qcom chip. The modem is mainly based on MBIM protocol for both the
data and control path.

This patch adds support for below modems:

 - T99W175(based on sdx55), Both for eSIM and Non-eSIM
 - DW5930e(based on sdx55), With eSIM, It's also T99W175
 - DW5930e(based on sdx55), Non-eSIM, It's also T99W175

This patch was tested with Ubuntu 20.04 X86_64 PC as host

Signed-off-by: Jarvis Jiang <jarvis.w.jiang@gmail.com>
---
 drivers/bus/mhi/pci_generic.c | 47 +++++++++++++++++++++++++++++++++++
 1 file changed, 47 insertions(+)

diff --git a/drivers/bus/mhi/pci_generic.c b/drivers/bus/mhi/pci_generic.c
index 544853c67e02..c66fb73e47ad 100644
--- a/drivers/bus/mhi/pci_generic.c
+++ b/drivers/bus/mhi/pci_generic.c
@@ -269,6 +269,44 @@ static const struct mhi_pci_dev_info mhi_quectel_em1xx_info = {
 	.dma_data_width = 32
 };
 
+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),
+	MHI_CHANNEL_CONFIG_UL(4, "DIAG", 32, 1),
+	MHI_CHANNEL_CONFIG_DL(5, "DIAG", 32, 1),
+	MHI_CHANNEL_CONFIG_UL(12, "MBIM", 32, 0),
+	MHI_CHANNEL_CONFIG_DL(13, "MBIM", 32, 0),
+	MHI_CHANNEL_CONFIG_UL(32, "AT", 32, 0),
+	MHI_CHANNEL_CONFIG_DL(33, "AT", 32, 0),
+	MHI_CHANNEL_CONFIG_HW_UL(100, "IP_HW0_MBIM", 128, 2),
+	MHI_CHANNEL_CONFIG_HW_DL(101, "IP_HW0_MBIM", 128, 3),
+};
+
+static struct mhi_event_config mhi_foxconn_sdx55_events[] = {
+	MHI_EVENT_CONFIG_CTRL(0, 128),
+	MHI_EVENT_CONFIG_DATA(1, 128),
+	MHI_EVENT_CONFIG_HW_DATA(2, 1024, 100),
+	MHI_EVENT_CONFIG_HW_DATA(3, 1024, 101)
+};
+
+static struct mhi_controller_config modem_foxconn_sdx55_config = {
+	.max_channels = 128,
+	.timeout_ms = 20000,
+	.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_sdx55_info = {
+	.name = "foxconn-sdx55",
+	.fw = "qcom/sdx55m/sbl1.mbn",
+	.edl = "qcom/sdx55m/edl.mbn",
+	.config = &modem_foxconn_sdx55_config,
+	.bar_num = MHI_PCI_DEFAULT_BAR_NUM,
+	.dma_data_width = 32
+};
+
 static const struct pci_device_id mhi_pci_id_table[] = {
 	{ PCI_DEVICE(PCI_VENDOR_ID_QCOM, 0x0306),
 		.driver_data = (kernel_ulong_t) &mhi_qcom_sdx55_info },
@@ -280,6 +318,15 @@ static const struct pci_device_id mhi_pci_id_table[] = {
 		.driver_data = (kernel_ulong_t) &mhi_quectel_em1xx_info },
 	{ PCI_DEVICE(PCI_VENDOR_ID_QCOM, 0x0308),
 		.driver_data = (kernel_ulong_t) &mhi_qcom_sdx65_info },
+	/* T99W175 (sdx55), Both for eSIM and Non-eSIM */
+	{ PCI_DEVICE(PCI_VENDOR_ID_FOXCONN, 0xe0ab),
+		.driver_data = (kernel_ulong_t) &mhi_foxconn_sdx55_info },
+	/* DW5930e (sdx55), With eSIM, It's also T99W175 */
+	{ PCI_DEVICE(PCI_VENDOR_ID_FOXCONN, 0xe0b0),
+		.driver_data = (kernel_ulong_t) &mhi_foxconn_sdx55_info },
+	/* DW5930e (sdx55), Non-eSIM, It's also T99W175 */
+	{ PCI_DEVICE(PCI_VENDOR_ID_FOXCONN, 0xe0b1),
+		.driver_data = (kernel_ulong_t) &mhi_foxconn_sdx55_info },
 	{  }
 };
 MODULE_DEVICE_TABLE(pci, mhi_pci_id_table);
-- 
2.25.1


^ permalink raw reply related	[flat|nested] 4+ messages in thread
* Re: [PATCH 1/2] [v2] bus: mhi: pci_generic: Introduce Foxconn T99W175 support
  2021-04-08  9:55 [PATCH 1/2] [v2] bus: mhi: pci_generic: Introduce Foxconn T99W175 support Jarvis Jiang
@ 2021-04-08 12:02 ` Loic Poulain
  2021-04-08 13:40 ` Manivannan Sadhasivam
  2021-04-08 14:15 ` Manivannan Sadhasivam
  2 siblings, 0 replies; 4+ messages in thread
From: Loic Poulain @ 2021-04-08 12:02 UTC (permalink / raw)
  To: Jarvis Jiang
  Cc: Manivannan Sadhasivam, Hemant Kumar, open list, linux-arm-msm,
	cchen50, mpearson

On Thu, 8 Apr 2021 at 11:56, Jarvis Jiang <jarvis.w.jiang@gmail.com> wrote:
>
> Add support for T99W175 modems, this modem series is based on SDX55
> qcom chip. The modem is mainly based on MBIM protocol for both the
> data and control path.
>
> This patch adds support for below modems:
>
>  - T99W175(based on sdx55), Both for eSIM and Non-eSIM
>  - DW5930e(based on sdx55), With eSIM, It's also T99W175
>  - DW5930e(based on sdx55), Non-eSIM, It's also T99W175
>
> This patch was tested with Ubuntu 20.04 X86_64 PC as host
>
> Signed-off-by: Jarvis Jiang <jarvis.w.jiang@gmail.com>

It looks good, I assume that for now, you're relying on additional
patches for the control path, like mhi_uci or mhi_wwan_ctrl.

Reviewed-by: Loic Poulain <loic.poulain@linaro.org>



> ---
>  drivers/bus/mhi/pci_generic.c | 47 +++++++++++++++++++++++++++++++++++
>  1 file changed, 47 insertions(+)
>
> diff --git a/drivers/bus/mhi/pci_generic.c b/drivers/bus/mhi/pci_generic.c
> index 544853c67e02..c66fb73e47ad 100644
> --- a/drivers/bus/mhi/pci_generic.c
> +++ b/drivers/bus/mhi/pci_generic.c
> @@ -269,6 +269,44 @@ static const struct mhi_pci_dev_info mhi_quectel_em1xx_info = {
>         .dma_data_width = 32
>  };
>
> +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),
> +       MHI_CHANNEL_CONFIG_UL(4, "DIAG", 32, 1),
> +       MHI_CHANNEL_CONFIG_DL(5, "DIAG", 32, 1),
> +       MHI_CHANNEL_CONFIG_UL(12, "MBIM", 32, 0),
> +       MHI_CHANNEL_CONFIG_DL(13, "MBIM", 32, 0),
> +       MHI_CHANNEL_CONFIG_UL(32, "AT", 32, 0),
> +       MHI_CHANNEL_CONFIG_DL(33, "AT", 32, 0),
> +       MHI_CHANNEL_CONFIG_HW_UL(100, "IP_HW0_MBIM", 128, 2),
> +       MHI_CHANNEL_CONFIG_HW_DL(101, "IP_HW0_MBIM", 128, 3),
> +};
> +
> +static struct mhi_event_config mhi_foxconn_sdx55_events[] = {
> +       MHI_EVENT_CONFIG_CTRL(0, 128),
> +       MHI_EVENT_CONFIG_DATA(1, 128),
> +       MHI_EVENT_CONFIG_HW_DATA(2, 1024, 100),
> +       MHI_EVENT_CONFIG_HW_DATA(3, 1024, 101)
> +};
> +
> +static struct mhi_controller_config modem_foxconn_sdx55_config = {
> +       .max_channels = 128,
> +       .timeout_ms = 20000,
> +       .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_sdx55_info = {
> +       .name = "foxconn-sdx55",
> +       .fw = "qcom/sdx55m/sbl1.mbn",
> +       .edl = "qcom/sdx55m/edl.mbn",
> +       .config = &modem_foxconn_sdx55_config,
> +       .bar_num = MHI_PCI_DEFAULT_BAR_NUM,
> +       .dma_data_width = 32
> +};
> +
>  static const struct pci_device_id mhi_pci_id_table[] = {
>         { PCI_DEVICE(PCI_VENDOR_ID_QCOM, 0x0306),
>                 .driver_data = (kernel_ulong_t) &mhi_qcom_sdx55_info },
> @@ -280,6 +318,15 @@ static const struct pci_device_id mhi_pci_id_table[] = {
>                 .driver_data = (kernel_ulong_t) &mhi_quectel_em1xx_info },
>         { PCI_DEVICE(PCI_VENDOR_ID_QCOM, 0x0308),
>                 .driver_data = (kernel_ulong_t) &mhi_qcom_sdx65_info },
> +       /* T99W175 (sdx55), Both for eSIM and Non-eSIM */
> +       { PCI_DEVICE(PCI_VENDOR_ID_FOXCONN, 0xe0ab),
> +               .driver_data = (kernel_ulong_t) &mhi_foxconn_sdx55_info },
> +       /* DW5930e (sdx55), With eSIM, It's also T99W175 */
> +       { PCI_DEVICE(PCI_VENDOR_ID_FOXCONN, 0xe0b0),
> +               .driver_data = (kernel_ulong_t) &mhi_foxconn_sdx55_info },
> +       /* DW5930e (sdx55), Non-eSIM, It's also T99W175 */
> +       { PCI_DEVICE(PCI_VENDOR_ID_FOXCONN, 0xe0b1),
> +               .driver_data = (kernel_ulong_t) &mhi_foxconn_sdx55_info },
>         {  }
>  };
>  MODULE_DEVICE_TABLE(pci, mhi_pci_id_table);
> --
> 2.25.1
>

^ permalink raw reply	[flat|nested] 4+ messages in thread
* Re: [PATCH 1/2] [v2] bus: mhi: pci_generic: Introduce Foxconn T99W175 support
  2021-04-08  9:55 [PATCH 1/2] [v2] bus: mhi: pci_generic: Introduce Foxconn T99W175 support Jarvis Jiang
  2021-04-08 12:02 ` Loic Poulain
@ 2021-04-08 13:40 ` Manivannan Sadhasivam
  2021-04-08 14:15 ` Manivannan Sadhasivam
  2 siblings, 0 replies; 4+ messages in thread
From: Manivannan Sadhasivam @ 2021-04-08 13:40 UTC (permalink / raw)
  To: Jarvis Jiang; +Cc: hemantk, linux-kernel, linux-arm-msm, cchen50, mpearson

On Thu, Apr 08, 2021 at 02:55:24AM -0700, Jarvis Jiang wrote:
> Add support for T99W175 modems, this modem series is based on SDX55
> qcom chip. The modem is mainly based on MBIM protocol for both the
> data and control path.
> 
> This patch adds support for below modems:
> 
>  - T99W175(based on sdx55), Both for eSIM and Non-eSIM
>  - DW5930e(based on sdx55), With eSIM, It's also T99W175
>  - DW5930e(based on sdx55), Non-eSIM, It's also T99W175
> 
> This patch was tested with Ubuntu 20.04 X86_64 PC as host
> 

The subject should be as below,

[PATCH v2] bus: mhi: pci_generic: Introduce Foxconn T99W175 support

> Signed-off-by: Jarvis Jiang <jarvis.w.jiang@gmail.com>

Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>

Thanks,
Mani

> ---

Also you need to add the changelog here.

>  drivers/bus/mhi/pci_generic.c | 47 +++++++++++++++++++++++++++++++++++
>  1 file changed, 47 insertions(+)
> 
> diff --git a/drivers/bus/mhi/pci_generic.c b/drivers/bus/mhi/pci_generic.c
> index 544853c67e02..c66fb73e47ad 100644
> --- a/drivers/bus/mhi/pci_generic.c
> +++ b/drivers/bus/mhi/pci_generic.c
> @@ -269,6 +269,44 @@ static const struct mhi_pci_dev_info mhi_quectel_em1xx_info = {
>  	.dma_data_width = 32
>  };
>  
> +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),
> +	MHI_CHANNEL_CONFIG_UL(4, "DIAG", 32, 1),
> +	MHI_CHANNEL_CONFIG_DL(5, "DIAG", 32, 1),
> +	MHI_CHANNEL_CONFIG_UL(12, "MBIM", 32, 0),
> +	MHI_CHANNEL_CONFIG_DL(13, "MBIM", 32, 0),
> +	MHI_CHANNEL_CONFIG_UL(32, "AT", 32, 0),
> +	MHI_CHANNEL_CONFIG_DL(33, "AT", 32, 0),
> +	MHI_CHANNEL_CONFIG_HW_UL(100, "IP_HW0_MBIM", 128, 2),
> +	MHI_CHANNEL_CONFIG_HW_DL(101, "IP_HW0_MBIM", 128, 3),
> +};
> +
> +static struct mhi_event_config mhi_foxconn_sdx55_events[] = {
> +	MHI_EVENT_CONFIG_CTRL(0, 128),
> +	MHI_EVENT_CONFIG_DATA(1, 128),
> +	MHI_EVENT_CONFIG_HW_DATA(2, 1024, 100),
> +	MHI_EVENT_CONFIG_HW_DATA(3, 1024, 101)
> +};
> +
> +static struct mhi_controller_config modem_foxconn_sdx55_config = {
> +	.max_channels = 128,
> +	.timeout_ms = 20000,
> +	.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_sdx55_info = {
> +	.name = "foxconn-sdx55",
> +	.fw = "qcom/sdx55m/sbl1.mbn",
> +	.edl = "qcom/sdx55m/edl.mbn",
> +	.config = &modem_foxconn_sdx55_config,
> +	.bar_num = MHI_PCI_DEFAULT_BAR_NUM,
> +	.dma_data_width = 32
> +};
> +
>  static const struct pci_device_id mhi_pci_id_table[] = {
>  	{ PCI_DEVICE(PCI_VENDOR_ID_QCOM, 0x0306),
>  		.driver_data = (kernel_ulong_t) &mhi_qcom_sdx55_info },
> @@ -280,6 +318,15 @@ static const struct pci_device_id mhi_pci_id_table[] = {
>  		.driver_data = (kernel_ulong_t) &mhi_quectel_em1xx_info },
>  	{ PCI_DEVICE(PCI_VENDOR_ID_QCOM, 0x0308),
>  		.driver_data = (kernel_ulong_t) &mhi_qcom_sdx65_info },
> +	/* T99W175 (sdx55), Both for eSIM and Non-eSIM */
> +	{ PCI_DEVICE(PCI_VENDOR_ID_FOXCONN, 0xe0ab),
> +		.driver_data = (kernel_ulong_t) &mhi_foxconn_sdx55_info },
> +	/* DW5930e (sdx55), With eSIM, It's also T99W175 */
> +	{ PCI_DEVICE(PCI_VENDOR_ID_FOXCONN, 0xe0b0),
> +		.driver_data = (kernel_ulong_t) &mhi_foxconn_sdx55_info },
> +	/* DW5930e (sdx55), Non-eSIM, It's also T99W175 */
> +	{ PCI_DEVICE(PCI_VENDOR_ID_FOXCONN, 0xe0b1),
> +		.driver_data = (kernel_ulong_t) &mhi_foxconn_sdx55_info },
>  	{  }
>  };
>  MODULE_DEVICE_TABLE(pci, mhi_pci_id_table);
> -- 
> 2.25.1
> 

^ permalink raw reply	[flat|nested] 4+ messages in thread
* Re: [PATCH 1/2] [v2] bus: mhi: pci_generic: Introduce Foxconn T99W175 support
  2021-04-08  9:55 [PATCH 1/2] [v2] bus: mhi: pci_generic: Introduce Foxconn T99W175 support Jarvis Jiang
  2021-04-08 12:02 ` Loic Poulain
  2021-04-08 13:40 ` Manivannan Sadhasivam
@ 2021-04-08 14:15 ` Manivannan Sadhasivam
  2 siblings, 0 replies; 4+ messages in thread
From: Manivannan Sadhasivam @ 2021-04-08 14:15 UTC (permalink / raw)
  To: Jarvis Jiang; +Cc: hemantk, linux-kernel, linux-arm-msm, cchen50, mpearson

On Thu, Apr 08, 2021 at 02:55:24AM -0700, Jarvis Jiang wrote:
> Add support for T99W175 modems, this modem series is based on SDX55
> qcom chip. The modem is mainly based on MBIM protocol for both the
> data and control path.
> 
> This patch adds support for below modems:
> 
>  - T99W175(based on sdx55), Both for eSIM and Non-eSIM
>  - DW5930e(based on sdx55), With eSIM, It's also T99W175
>  - DW5930e(based on sdx55), Non-eSIM, It's also T99W175
> 
> This patch was tested with Ubuntu 20.04 X86_64 PC as host
> 
> Signed-off-by: Jarvis Jiang <jarvis.w.jiang@gmail.com>

Applied to mhi-next!

Thanks,
Mani

> ---
>  drivers/bus/mhi/pci_generic.c | 47 +++++++++++++++++++++++++++++++++++
>  1 file changed, 47 insertions(+)
> 
> diff --git a/drivers/bus/mhi/pci_generic.c b/drivers/bus/mhi/pci_generic.c
> index 544853c67e02..c66fb73e47ad 100644
> --- a/drivers/bus/mhi/pci_generic.c
> +++ b/drivers/bus/mhi/pci_generic.c
> @@ -269,6 +269,44 @@ static const struct mhi_pci_dev_info mhi_quectel_em1xx_info = {
>  	.dma_data_width = 32
>  };
>  
> +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),
> +	MHI_CHANNEL_CONFIG_UL(4, "DIAG", 32, 1),
> +	MHI_CHANNEL_CONFIG_DL(5, "DIAG", 32, 1),
> +	MHI_CHANNEL_CONFIG_UL(12, "MBIM", 32, 0),
> +	MHI_CHANNEL_CONFIG_DL(13, "MBIM", 32, 0),
> +	MHI_CHANNEL_CONFIG_UL(32, "AT", 32, 0),
> +	MHI_CHANNEL_CONFIG_DL(33, "AT", 32, 0),
> +	MHI_CHANNEL_CONFIG_HW_UL(100, "IP_HW0_MBIM", 128, 2),
> +	MHI_CHANNEL_CONFIG_HW_DL(101, "IP_HW0_MBIM", 128, 3),
> +};
> +
> +static struct mhi_event_config mhi_foxconn_sdx55_events[] = {
> +	MHI_EVENT_CONFIG_CTRL(0, 128),
> +	MHI_EVENT_CONFIG_DATA(1, 128),
> +	MHI_EVENT_CONFIG_HW_DATA(2, 1024, 100),
> +	MHI_EVENT_CONFIG_HW_DATA(3, 1024, 101)
> +};
> +
> +static struct mhi_controller_config modem_foxconn_sdx55_config = {
> +	.max_channels = 128,
> +	.timeout_ms = 20000,
> +	.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_sdx55_info = {
> +	.name = "foxconn-sdx55",
> +	.fw = "qcom/sdx55m/sbl1.mbn",
> +	.edl = "qcom/sdx55m/edl.mbn",
> +	.config = &modem_foxconn_sdx55_config,
> +	.bar_num = MHI_PCI_DEFAULT_BAR_NUM,
> +	.dma_data_width = 32
> +};
> +
>  static const struct pci_device_id mhi_pci_id_table[] = {
>  	{ PCI_DEVICE(PCI_VENDOR_ID_QCOM, 0x0306),
>  		.driver_data = (kernel_ulong_t) &mhi_qcom_sdx55_info },
> @@ -280,6 +318,15 @@ static const struct pci_device_id mhi_pci_id_table[] = {
>  		.driver_data = (kernel_ulong_t) &mhi_quectel_em1xx_info },
>  	{ PCI_DEVICE(PCI_VENDOR_ID_QCOM, 0x0308),
>  		.driver_data = (kernel_ulong_t) &mhi_qcom_sdx65_info },
> +	/* T99W175 (sdx55), Both for eSIM and Non-eSIM */
> +	{ PCI_DEVICE(PCI_VENDOR_ID_FOXCONN, 0xe0ab),
> +		.driver_data = (kernel_ulong_t) &mhi_foxconn_sdx55_info },
> +	/* DW5930e (sdx55), With eSIM, It's also T99W175 */
> +	{ PCI_DEVICE(PCI_VENDOR_ID_FOXCONN, 0xe0b0),
> +		.driver_data = (kernel_ulong_t) &mhi_foxconn_sdx55_info },
> +	/* DW5930e (sdx55), Non-eSIM, It's also T99W175 */
> +	{ PCI_DEVICE(PCI_VENDOR_ID_FOXCONN, 0xe0b1),
> +		.driver_data = (kernel_ulong_t) &mhi_foxconn_sdx55_info },
>  	{  }
>  };
>  MODULE_DEVICE_TABLE(pci, mhi_pci_id_table);
> -- 
> 2.25.1
> 

^ permalink raw reply	[flat|nested] 4+ messages in thread
end of thread, other threads:[~2021-04-08 14:15 UTC | newest]

Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
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2021-04-08  9:55 [PATCH 1/2] [v2] bus: mhi: pci_generic: Introduce Foxconn T99W175 support Jarvis Jiang
2021-04-08 12:02 ` Loic Poulain
2021-04-08 13:40 ` Manivannan Sadhasivam
2021-04-08 14:15 ` Manivannan Sadhasivam

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