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From: Nagarjuna Kristam <nkristam@nvidia.com>
To: Thierry Reding <thierry.reding@gmail.com>
Cc: <balbi@kernel.org>, <gregkh@linuxfoundation.org>,
	<jonathanh@nvidia.com>, <mark.rutland@arm.com>,
	<robh+dt@kernel.org>, <devicetree@vger.kernel.org>,
	<linux-tegra@vger.kernel.org>, <linux-usb@vger.kernel.org>
Subject: Re: [Patch V6 7/8] usb: gadget: Add UDC driver for tegra XUSB device mode controller
Date: Thu, 22 Aug 2019 16:05:30 +0530
Message-ID: <f48e97e5-4ceb-7c83-de6a-4f29cf1945cf@nvidia.com> (raw)
In-Reply-To: <20190822091248.GD23873@ulmo>



On 22-08-2019 14:42, Thierry Reding wrote:
> On Thu, Aug 08, 2019 at 03:07:25PM +0530, Nagarjuna Kristam wrote:
>> This patch adds UDC driver for tegra XUSB 3.0 device mode controller.
>> XUSB device mode controller supports SS, HS and FS modes
>>
>> Based on work by:
>>   Mark Kuo <mkuo@nvidia.com>
>>   Hui Fu <hfu@nvidia.com>
>>   Andrew Bresticker <abrestic@chromium.org>
>>
>> Signed-off-by: Nagarjuna Kristam <nkristam@nvidia.com>
>> Acked-by: Thierry Reding <treding@nvidia.com>
>> ---
>>  drivers/usb/gadget/udc/Kconfig      |   11 +
>>  drivers/usb/gadget/udc/Makefile     |    1 +
>>  drivers/usb/gadget/udc/tegra_xudc.c | 3808 +++++++++++++++++++++++++++++++++++
>>  3 files changed, 3820 insertions(+)
>>  create mode 100644 drivers/usb/gadget/udc/tegra_xudc.c
>>
>> diff --git a/drivers/usb/gadget/udc/Kconfig b/drivers/usb/gadget/udc/Kconfig
>> index ef0259a..fe6028e 100644
>> --- a/drivers/usb/gadget/udc/Kconfig
>> +++ b/drivers/usb/gadget/udc/Kconfig
>> @@ -440,6 +440,17 @@ config USB_GADGET_XILINX
>>  	  dynamically linked module called "udc-xilinx" and force all
>>  	  gadget drivers to also be dynamically linked.
>>  
>> +config USB_TEGRA_XUDC
>> +	tristate "NVIDIA Tegra Superspeed USB 3.0 Device Controller"
>> +	depends on ARCH_TEGRA
>> +	select USB_ROLE_SWITCH
>> +	help
>> +	 Enables NVIDIA Tegra USB 3.0 device mode controller driver.
>> +
>> +	 Say "y" to link the driver statically, or "m" to build a
>> +	 dynamically linked module called "tegra_xudc" and force all
>> +	 gadget drivers to also be dynamically linked.
>> +
>>  source "drivers/usb/gadget/udc/aspeed-vhub/Kconfig"
>>  
>>  #
>> diff --git a/drivers/usb/gadget/udc/Makefile b/drivers/usb/gadget/udc/Makefile
>> index 897f648..1c55c96 100644
>> --- a/drivers/usb/gadget/udc/Makefile
>> +++ b/drivers/usb/gadget/udc/Makefile
>> @@ -24,6 +24,7 @@ obj-$(CONFIG_USB_BCM63XX_UDC)	+= bcm63xx_udc.o
>>  obj-$(CONFIG_USB_FSL_USB2)	+= fsl_usb2_udc.o
>>  fsl_usb2_udc-y			:= fsl_udc_core.o
>>  fsl_usb2_udc-$(CONFIG_ARCH_MXC)	+= fsl_mxc_udc.o
>> +obj-$(CONFIG_USB_TEGRA_XUDC)	+= tegra_xudc.o
> 
> Nit: I have a slight preference for tegra-xudc.o over tegra_xudc.o. We
> use dashes rather than underscores pretty consistently on Tegra, so it
> would be good to keep the same pattern here, unless somebody feels
> strongly about the underscore.
> 
> It doesn't matter that much because module utilities treat them the same
> way I think, so the Acked-by remains valid either way.
> 
> Thierry
> 

Thierry,
Reason to keep tegra_xudc.c instead of tegra-xudc.c is to inline with local file naming.
I will use tegra-xudc.c name in next version, to be inline with other tegra files across
kernel.

Thanks,
Nagarjuna

  reply index

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-08-08  9:37 [Patch V6 0/8] Tegra XUSB gadget driver support Nagarjuna Kristam
2019-08-08  9:37 ` [Patch V6 1/8] phy: tegra: xusb: Add XUSB dual mode support on Tegra210 Nagarjuna Kristam
2019-08-08  9:37 ` [Patch V6 2/8] phy: tegra: xusb: Add usb3 port fake " Nagarjuna Kristam
2019-08-08  9:37 ` [Patch V6 3/8] phy: tegra: xusb: Add vbus override " Nagarjuna Kristam
2019-08-22  9:04   ` Thierry Reding
2019-08-08  9:37 ` [Patch V6 4/8] dt-bindings: usb: Add NVIDIA Tegra XUSB device mode controller binding Nagarjuna Kristam
2019-08-21 20:52   ` Rob Herring
2019-08-22  9:04   ` Thierry Reding
2019-08-08  9:37 ` [Patch V6 5/8] arm64: tegra: Add xudc node for Tegra210 Nagarjuna Kristam
2019-08-08  9:37 ` [Patch V6 6/8] arm64: tegra: Enable xudc on Jetson TX1 Nagarjuna Kristam
2019-08-08  9:37 ` [Patch V6 7/8] usb: gadget: Add UDC driver for tegra XUSB device mode controller Nagarjuna Kristam
2019-08-09 12:03   ` Felipe Balbi
2019-08-22 10:29     ` Nagarjuna Kristam
2019-08-09 14:28   ` kbuild test robot
2019-08-12 12:43   ` Chunfeng Yun
2019-08-12 12:49     ` Felipe Balbi
2019-08-12 13:00       ` Chunfeng Yun
2019-08-13 10:16     ` Nagarjuna Kristam
2019-08-22  9:12   ` Thierry Reding
2019-08-22 10:35     ` Nagarjuna Kristam [this message]
2019-08-08  9:37 ` [Patch V6 8/8] arm64: defconfig: Enable tegra XUDC driver Nagarjuna Kristam
2019-08-22  9:07 ` [Patch V6 0/8] Tegra XUSB gadget driver support Thierry Reding

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