linux-kernel - Re: [PATCH v2 2/2] NTB: epf: Add Renesas rcar support

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Message-ID: <aFsEOl83Abw9kVAA@lizhi-Precision-Tower-5810>
Date: Tue, 24 Jun 2025 16:02:02 -0400
From: Frank Li <Frank.li@....com>
To: Jerome Brunet <jbrunet@...libre.com>
Cc: Jon Mason <jdmason@...zu.us>, Dave Jiang <dave.jiang@...el.com>,
	Allen Hubbe <allenbh@...il.com>, ntb@...ts.linux.dev,
	linux-kernel@...r.kernel.org,
	Yoshihiro Shimoda <yoshihiro.shimoda.uh@...esas.com>,
	Yuya Hamamachi <yuya.hamamachi.sx@...esas.com>
Subject: Re: [PATCH v2 2/2] NTB: epf: Add Renesas rcar support

On Tue, Jun 24, 2025 at 06:06:17PM +0200, Jerome Brunet wrote:
> Add virtual non-transparent bridge support for Renesas rcar platform
>
> Signed-off-by: Jerome Brunet <jbrunet@...libre.com>
> ---
>  drivers/ntb/hw/epf/ntb_hw_epf.c | 15 +++++++++++++++
>  1 file changed, 15 insertions(+)
>
> diff --git a/drivers/ntb/hw/epf/ntb_hw_epf.c b/drivers/ntb/hw/epf/ntb_hw_epf.c
> index e8eb3adc6cecd2d52235a3f0b6b5a59ec58f1d73..97c9ed7e4dc27dabd21d3f083cc70d55bb280df8 100644
> --- a/drivers/ntb/hw/epf/ntb_hw_epf.c
> +++ b/drivers/ntb/hw/epf/ntb_hw_epf.c
> @@ -747,6 +747,16 @@ static const enum pci_barno mx8_map[NTB_BAR_NUM] = {
>  	[BAR_MW4]	= NO_BAR
>  };
>
> +static const enum pci_barno rcar_barno[NTB_BAR_NUM] = {

Nit: suppose neend't NTB_BAR_NUM.

Reviewed-by: Frank Li <Frank.Li@....com>

> +	[BAR_CONFIG]	= BAR_0,
> +	[BAR_PEER_SPAD]	= BAR_0,
> +	[BAR_DB]	= BAR_4,
> +	[BAR_MW1]	= BAR_2,
> +	[BAR_MW2]	= NO_BAR,
> +	[BAR_MW3]	= NO_BAR,
> +	[BAR_MW4]	= NO_BAR,
> +};
> +
>  static const struct pci_device_id ntb_epf_pci_tbl[] = {
>  	{
>  		PCI_DEVICE(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_J721E),
> @@ -758,6 +768,11 @@ static const struct pci_device_id ntb_epf_pci_tbl[] = {
>  		.class = PCI_CLASS_MEMORY_RAM << 8, .class_mask = 0xffff00,
>  		.driver_data = (kernel_ulong_t)mx8_map,
>  	},
> +	{
> +		PCI_DEVICE(PCI_VENDOR_ID_RENESAS, 0x0030),
> +		.class = PCI_CLASS_MEMORY_RAM << 8, .class_mask = 0xffff00,
> +		.driver_data = (kernel_ulong_t)rcar_barno,
> +	},
>  	{ },
>  };
>
>
> --
> 2.47.2
>