Re: [PATCH v2 4/8] usb: chipidea: tegra: Rename UDC to USB

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17.12.2020 16:36, Thierry Reding пишет:
> On Thu, Dec 17, 2020 at 12:40:03PM +0300, Dmitry Osipenko wrote:
>> Rename all occurrences in the code from "udc" to "usb" and change the
>> Kconfig entry in order to show that this driver supports USB modes other
>> than device-only mode. The follow up patch will add host-mode support and
>> it will be cleaner to perform the renaming separately, i.e. in this patch.
>>
>> Tested-by: Matt Merhar <mattmerhar@xxxxxxxxxxxxxx>
>> Tested-by: Nicolas Chauvet <kwizart@xxxxxxxxx>
>> Tested-by: Peter Geis <pgwipeout@xxxxxxxxx>
>> Tested-by: Ion Agorria <ion@xxxxxxxxxxx>
>> Signed-off-by: Dmitry Osipenko <digetx@xxxxxxxxx>
>> ---
>>  drivers/usb/chipidea/Kconfig         |  2 +-
>>  drivers/usb/chipidea/ci_hdrc_tegra.c | 78 ++++++++++++++--------------
>>  2 files changed, 40 insertions(+), 40 deletions(-)
>>
>> diff --git a/drivers/usb/chipidea/Kconfig b/drivers/usb/chipidea/Kconfig
>> index 8bafcfc6080d..8685ead6ccc7 100644
>> --- a/drivers/usb/chipidea/Kconfig
>> +++ b/drivers/usb/chipidea/Kconfig
>> @@ -53,7 +53,7 @@ config USB_CHIPIDEA_GENERIC
>>  	default USB_CHIPIDEA
>>  
>>  config USB_CHIPIDEA_TEGRA
>> -	tristate "Enable Tegra UDC glue driver" if EMBEDDED
>> +	tristate "Enable Tegra USB glue driver" if EMBEDDED
>>  	depends on OF
>>  	depends on USB_CHIPIDEA_UDC
>>  	default USB_CHIPIDEA
>> diff --git a/drivers/usb/chipidea/ci_hdrc_tegra.c b/drivers/usb/chipidea/ci_hdrc_tegra.c
>> index 10eaaba2a3f0..d8efa80aa1c2 100644
>> --- a/drivers/usb/chipidea/ci_hdrc_tegra.c
>> +++ b/drivers/usb/chipidea/ci_hdrc_tegra.c
>> @@ -12,7 +12,7 @@
>>  
>>  #include "ci.h"
>>  
>> -struct tegra_udc {
>> +struct tegra_usb {
>>  	struct ci_hdrc_platform_data data;
>>  	struct platform_device *dev;
>>  
>> @@ -20,15 +20,15 @@ struct tegra_udc {
>>  	struct clk *clk;
>>  };
>>  
>> -struct tegra_udc_soc_info {
>> +struct tegra_usb_soc_info {
>>  	unsigned long flags;
>>  };
>>  
>> -static const struct tegra_udc_soc_info tegra_udc_soc_info = {
>> +static const struct tegra_usb_soc_info tegra_udc_soc_info = {
>>  	.flags = CI_HDRC_REQUIRES_ALIGNED_DMA,
>>  };
>>  
>> -static const struct of_device_id tegra_udc_of_match[] = {
>> +static const struct of_device_id tegra_usb_of_match[] = {
>>  	{
>>  		.compatible = "nvidia,tegra20-udc",
> 
> Do we perhaps also want to add a new tegra20-usb compatible string here
> and deprecate the old one since this now no longer properly describes
> the device.

Ideally it should have been "tegra20-otg" to match TRM, but UDC is also
okay since it's a part of OTG and kinda presumes the OTG support of USB1
controller for anyone who read the TRM. Hence there is no need to change
the compatible, IMO.

> In either case, this looks fine:
> 
> Acked-by: Thierry Reding <treding@xxxxxxxxxx>
> 

thanks



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