[PATCH 6/9] USB chipidea: introduce dual role mode pdata flags

[Marc Kleine-Budde]

On 02/22/2013 03:09 AM, Peter Chen wrote:
> On Mon, Feb 04, 2013 at 02:24:32PM +0100, Sascha Hauer wrote:
>> Even if a chipidea core is otg capable the board may not. This allows
>> to explicitly set the core to host/peripheral mode. Without these
>> flags the driver falls back to the old behaviour.
>>
>> Signed-off-by: Sascha Hauer <s.hauer at pengutronix.de>
>> ---
>>  drivers/usb/chipidea/core.c  |   21 +++++++++++++++------
>>  include/linux/usb/chipidea.h |    2 +-
>>  2 files changed, 16 insertions(+), 7 deletions(-)
>>
>> diff --git a/drivers/usb/chipidea/core.c b/drivers/usb/chipidea/core.c
>> index 04d68cb..c89f2aa 100644
>> --- a/drivers/usb/chipidea/core.c
>> +++ b/drivers/usb/chipidea/core.c
>> @@ -435,6 +435,7 @@ static int ci_hdrc_probe(struct platform_device *pdev)
>>  	struct resource	*res;
>>  	void __iomem	*base;
>>  	int		ret;
>> +	enum usb_dr_mode dr_mode;
>>  
>>  	if (!dev->platform_data) {
>>  		dev_err(dev, "platform data missing\n");
>> @@ -487,14 +488,22 @@ static int ci_hdrc_probe(struct platform_device *pdev)
>>  		return -ENODEV;
>>  	}
>>  
>> -	ret = ci_hdrc_gadget_init(ci);
>> -	if (ret)
>> -		dev_info(dev, "doesn't support gadget\n");
>> +	if (dr_mode == USB_DR_MODE_OTG || dr_mode == USB_DR_MODE_PERIPHERAL) {
> 
> Can we change "USB_DR_MODE_PERIPHERAL" to "USB_DR_MODE_GADGET", since we always
> use gadget to stands for device or peripheral mode at code (like below
> CI_ROLE_GADGET), it may make code uniform.

Peripheral mode seems to be the more official name compared to gadget. I
vote for keeping peripheral in the DT and changing the chipidea to use
peripheral instead of gadget (in a later patch(es)).

Marc


-- 
Pengutronix e.K.                  | Marc Kleine-Budde           |
Industrial Linux Solutions        | Phone: +49-231-2826-924     |
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