Hi Greg, On Fri, Nov 30, 2012 at 9:59 PM, Greg KH <gregkh@xxxxxxxxxxxxxxxxxxx> wrote: > On Fri, Nov 30, 2012 at 07:02:14PM +0530, chetan cr123 wrote: >> On Thu, Nov 29, 2012 at 8:49 PM, Greg KH <gregkh@xxxxxxxxxxxxxxxxxxx> wrote: >> > On Thu, Nov 29, 2012 at 06:00:17PM +0530, chetan cr123 wrote: >> >> Hi, >> >> >> >> I am working on Android 4.0, Kernel Version 3.0.8 >> >> I am working on USB mass storage driver. >> > >> > What is wrong with the existing USB mass storage driver we have in the >> > kernel already? Why do you need to write a new one? >> > >> I am not using the existing driver. I am using cypress USB 3.0 mass >> storage driver. > > Which one is that? Do you have a pointer to it somewhere? > >> And another issue i am facing is i ami loading my usb 3.0 >> driver(present in /drivers/staging/westbridge/ ) as module i.e *.ko. >> when i do this i am getting the build error like >> usb_gadget_register_driver() is already exported in vmlinix/ or >> uimage. >> how do i get rid of this error. Kindly help me. > > Ah, I'm amazed that that driver even builds (well, I guess it doesn't.) > Please contact the author of that driver to fix that problem, I can't > build it (don't have the proper cross-compiler tools), and can't test > it, so you would be the best one to be able to resolve these types of > bugs. > Sorry for not giving the full info. actually followed the wrong method of commenting the register function, since using usd_gadget_register_driver() was giving error. i commneted the export symbol of this register function and the contents inside the register function(what the register function was doing inside i am doing this by placing the contents present inside the register function i am calling in probe function. here my driver works but not able to pass or communicate to upper layer or UI. >> >> I Right now i am not able to get any uevents or Udev events in my >> >> driver when i plug or unplug the USB. >> > >> > Driver's don't get uevents. >> > The kindly let me know what gets the uevents. should i add some code in my driver file to get uevents from Apps >> >> Kindly guide me to get the uevents or introduce UDEV in my driver file >> >> so that i get the events every time i plug or unplug the device. >> >> >> >> Once i get the uevents i need pass the uevents to application/UI and >> >> pass the control to switch from block driver to usb mass storage >> >> driver >> > >> > What is wrong with the existing framework that Android provides for this >> > type of thing? Doesn't that work properly? >> > >> existing android frame works is not working properly with my usb 3.0 >> mass storage driver. > > Then you need to fix that :) > > Again, do you have a pointer to the source for it? Any reason why it > isn't part of the main kernel.org tree yet? Its not the part of kernel.org because its vendor specific and still the vendors are in some development process and once t is completed they might make it part of kernel.org. > > thanks, > > greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
