On Thu, 27 Jun 2002 10:38:37 -0400 "Johannes Erdfelt" <[EMAIL PROTECTED]> wrote:
> Simplicity. [snip] I see. > > > Is there any informations about "URB lifetime" ? who allocates and deallocates it, > > when one should/shouldn't remove it, etc. > > The driver allocates and deallocates the URB in all cases. > > It may unlink (I'm guessing what you mean by "remove") at anytime after > it has been submitted. > > JE Well, actually I wanted to know how exactly URB flows through the Linux USB Stack, e.g. driver allocates URB, submitted to USB Core, goes to HCD, something done there, returned to to driver by callback function, etc. And how does it apply for all the different transfer modes. There was once a nice picture about URB around? But I just couldn't find it anymore. Best regards, sE -- >> S. Effendi SEffendi @ sysgo . de SYSGO Real-Time Solutions GmbH http://www.sysgo.de Am Pfaffenstein 14 Tel. +49 6136 99 48 0 55270 Klein-Winternheim - Germany Fax. +49 6136 99 48 10 ------------------------------------------------------- Sponsored by: ThinkGeek at http://www.ThinkGeek.com/ _______________________________________________ [EMAIL PROTECTED] To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel
