[U-Boot] [PATCH v1 1/2] usb: dfu: add config option to use in dfu mode fullspeed only

[Bin Liu <b-liu@ti.com>]

Heiko,

On 09/09/2014 09:37 AM, Heiko Schocher wrote:
> Hello Bin Liu,
>
> Am 09.09.2014 16:09, schrieb Bin Liu:
>> Heiko,
>>
>> On 09/09/2014 07:37 AM, Heiko Schocher wrote:
>>> add the new config option CONFIG_DFU_FULLSPEED. With this
>>> option enabled, DFU uses fullspeed only.
>>
>> Can we not introduce the new config option but check the gadget driver
>> speed in runtime as what the ether gadget driver does?
>> I don't want two config options (CONFIG_USB_GADGET_DUALSPEED and
>> CONFIG_DFU_FULLSPEED) to control one feature, as in your patch 2/2.
>
> Hmm.. I am not sure, if I understand you correct. I could use
> CONFIG_USB_GADGET_DUALSPEED instead the new config option
> for setting "config->fullspeed = 1;" in g_dnl_config_register()
>
> If you mean this, yes, thats would be a good change...

No, I did not mean this build time macro, but was thinking you can check 
g->speed at the same place in runtime.

I think you can refer to ether.c, which supports full-speed but does not 
use any macro.

Regards,
-Bin.

>
> bye,
> Heiko
>>
>> Regards,
>> -Bin.
>>
>>>
>>> Signed-off-by: Heiko Schocher <hs@denx.de>
>>> Cc: Tom Rini <trini@ti.com>
>>> Cc: Lukasz Majewski <l.majewski@samsung.com>
>>> Cc: Marek Vasut <marex@denx.de>
>>> Cc: Liu Bin <b-liu@ti.com>
>>> Cc: Lukas Stockmann <lukas.stockmann@siemens.com>
>>> ---
>>> README | 3 +++
>>> drivers/usb/gadget/f_dfu.c | 3 +++
>>> drivers/usb/gadget/g_dnl.c | 3 +++
>>> 3 files changed, 9 insertions(+)
>>>
>>> diff --git a/README b/README
>>> index 0a0f528..1413392 100644
>>> --- a/README
>>> +++ b/README
>>> @@ -1607,6 +1607,9 @@ The following options need to be configured:
>>> entering dfuMANIFEST state. Host waits this timeout, before
>>> sending again an USB request to the device.
>>>
>>> + CONFIG_DFU_FULLSPEED
>>> + use for the dfu functionality fullspeed only.
>>> +
>>> - USB Device Android Fastboot support:
>>> CONFIG_CMD_FASTBOOT
>>> This enables the command "fastboot" which enables the Android
>>> diff --git a/drivers/usb/gadget/f_dfu.c b/drivers/usb/gadget/f_dfu.c
>>> index 1145aab..dfa9f3b 100644
>>> --- a/drivers/usb/gadget/f_dfu.c
>>> +++ b/drivers/usb/gadget/f_dfu.c
>>> @@ -238,6 +238,7 @@ static inline void to_dfu_mode(struct f_dfu *f_dfu)
>>> {
>>> f_dfu->usb_function.strings = dfu_strings;
>>> f_dfu->usb_function.hs_descriptors = f_dfu->function;
>>> + f_dfu->usb_function.descriptors = f_dfu->function;
>>> f_dfu->dfu_state = DFU_STATE_dfuIDLE;
>>> }
>>>
>>> @@ -245,6 +246,7 @@ static inline void to_runtime_mode(struct f_dfu
>>> *f_dfu)
>>> {
>>> f_dfu->usb_function.strings = NULL;
>>> f_dfu->usb_function.hs_descriptors = dfu_runtime_descs;
>>> + f_dfu->usb_function.descriptors = dfu_runtime_descs;
>>> }
>>>
>>> static int handle_upload(struct usb_request *req, u16 len)
>>> @@ -809,6 +811,7 @@ static int dfu_bind_config(struct
>>> usb_configuration *c)
>>> return -ENOMEM;
>>> f_dfu->usb_function.name = "dfu";
>>> f_dfu->usb_function.hs_descriptors = dfu_runtime_descs;
>>> + f_dfu->usb_function.descriptors = dfu_runtime_descs;
>>> f_dfu->usb_function.bind = dfu_bind;
>>> f_dfu->usb_function.unbind = dfu_unbind;
>>> f_dfu->usb_function.set_alt = dfu_set_alt;
>>> diff --git a/drivers/usb/gadget/g_dnl.c b/drivers/usb/gadget/g_dnl.c
>>> index 58cad11..79e0c9c 100644
>>> --- a/drivers/usb/gadget/g_dnl.c
>>> +++ b/drivers/usb/gadget/g_dnl.c
>>> @@ -143,6 +143,9 @@ static int g_dnl_config_register(struct
>>> usb_composite_dev *cdev)
>>> config->bConfigurationValue = CONFIGURATION_NUMBER;
>>> config->iConfiguration = STRING_USBDOWN;
>>> config->bind = g_dnl_do_config;
>>> +#if defined(CONFIG_DFU_FULLSPEED)
>>> + config->fullspeed = 1;
>>> +#endif
>>>
>>> return usb_add_config(cdev, config);
>>> }
>>>
>>
>>
>>
>