[Bluez-devel] Re: BCM2033 firmware loader

[Marcel Holtmann <marcel@holtmann.org>]

Hi Max,

> > actually I never got bluefw working stable with 2.6. The usbfs interface
> > causes troubles which I can't explain. Maybe the problems are caused by
> > my hardware, but I don't know. I also want to avoid using bulk transfer
> > over ISOC endpoint to make OHCI happy and it seems that inside the
> > kernel there exists no more problems for the OHCI chips. 
> You mean Bulk over Interrupt. BlueFW doesn't send Bulk over Isoc.

of course. I mixed it, maybe because I talked about ISOC transfer and
the HCI USB driver problem on the Linux USB mailing list ;)

> > So after I made
> > my experiences with the request_firmware() interface and the bfusb
> > driver I decided to give it a try and the bcm203x driver was born.
> 
> I see. I have no problem with implementation in fact it's very clean and
> nice. My only concern is that if it can be done from user space it
> should be done in user-space thing :). I mean nobody is going to unload
> this bcm203x module after fw download is complete. Yeah it's small but
> it's still a waste. I'd rather fix usbfs if it's broken. Greg and
> Johannes will happily accept patches ;-). 

I simply agree with you on all points. If I found enough time to look at
my usbfs problems I will try to fix them.

On the other hand it is also possible to make the firmware loading
routine of the bcm203x driver a compile time option of the hci_usb
driver. Of course this is also a waste inside the kernel, but you don't
have an extra module to load. Do you think this is a better approach?

Regards

Marcel




-------------------------------------------------------
The SF.Net email is sponsored by EclipseCon 2004
Premiere Conference on Open Tools Development and Integration
See the breadth of Eclipse activity. February 3-5 in Anaheim, CA.
http://www.eclipsecon.org/osdn
_______________________________________________
Bluez-devel mailing list
Bluez-devel@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/bluez-devel