Hi Greg, On Wed, Nov 17, 2010 at 08:16:37AM -0800, Greg KH wrote: > On Wed, Nov 17, 2010 at 03:53:52PM +0530, Pavan Kondeti wrote: > > Hi Greg, > > > > On Tue, Nov 16, 2010 at 01:43:46PM -0800, Greg KH wrote: > > > On Tue, Nov 09, 2010 at 04:49:48PM +0530, Pavankumar Kondeti wrote: > > > > This driver implements PHY initialization, clock management, memory mapping > > > > register address space, ULPI IO ops and simple OTG state machine to kick > > > > host/peripheral based on Id/VBUS line status. VBUS/Id lines are tied to a > > > > reference voltage on some boards. Hence provide a sysfs interface to > > > > select host/peripheral mode. > > > > > > As you are creating a new user/kernel abi, it MUST be documented in the > > > Documentation/ABI/ directory. I can't take this patch set until that > > > happens. > > > > > Thanks for letting me know this. I will add the documentation for the sysfs file. > > Also note that if you are adding a new ABI like this one, it needs to > work the same for the other existing OTG drivers as well. So please > also work to fix them to do the same thing, or change your code to work > like the existing drivers do (hint, do the latter one...) > I am not sure if other OTG driver require this sysfs file. USB mode i.e Host/Peripheral is changed based on Id/VBUS status. But on some of the MSM boards, Id/VBUS is connected to reference voltage and need an additional sysfs file for user to change the operation mode. Where should a driver specific sysfs file should go in Doc/ABI/ ? > > > Care to redo this one, and your device patch set based on the review > > > comments there, and resend them? > > > > > I have been advised to reuse the ci13xxx_udc.c gadget controller driver. The > > driver currently supports PCI but not platform bus. I am working on making it > > to support platform bus. I will post RFC patch soon. Meanwhile I am thinking > > of resending host driver patches (as of now host/otg uses header files of device > > controller driver). Is this fine? > > Would it make much sense to have the host code in the tree at this point > in time due to the other changes you are going to have to do for the > gadget controller? > May be, I should wait till gadget controller driver patches are ready to avoid any additional changes in otg driver for supporting gadget. -- Sent by a consultant of the Qualcomm Innovation Center, Inc. The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum. -- 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