[U-Boot] [PATCH] omap-common: SYS_BOOT fallback logic correction

Hannes Schmelzer hannes at schmelzer.or.at
Thu Aug 27 06:11:06 CEST 2015


On 2015-08-27 00:59, Paul Kocialkowski wrote:
> Le mercredi 26 août 2015 à 09:23 -0400, Tom Rini a écrit :
>> On Wed, Aug 26, 2015 at 12:51:07PM +0200, Paul Kocialkowski wrote:
>>
>> [snip]
>>> On all OMAP platforms, USB peripheral loading is done via bulk USB and I
>>> suspect it is the same on am33xx platforms.
>> Actually no! :(
>>
>> On OMAP3/4/5 (so dra7xx/am57xx) it's the same bulk USB.  On
>> AM33xx/AM43xx it's (in ROM) USB RNDIS.  That's why on am33xx/am43xx we
>> continue on with USB RNDIS (which is what SPL_USBETH_SUPPORT implements,
>> not the other USB "ethernet" class).
> Interesting. So with this in mind, would it be acceptable to assume that
> BOOT_DEVICE_USB and BOOT_DEVICE_USBETH are always two distinct boot
> devices and thus not have to care about whether they're equal or not and
> just assume they're not, like any other BOOT_DEVICE?
>
> This would greatly simplify the logic and make everything more readable.
>
> I can submit a new patch set in that direction tomorrow.
Hi Paul,

agree with that, looking forward your new patch.

best regards,
Hannes



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