On Fri, Mar 10, 2017 at 10:10:30AM -0800, Dmitry Torokhov wrote: > On Fri, Mar 10, 2017 at 07:04:22PM +0100, Benjamin Tissoires wrote: > > On Mar 10 2017 or thereabouts, Dmitry Torokhov wrote: > > > On Fri, Mar 10, 2017 at 04:57:35PM +0100, Benjamin Tissoires wrote: > > > > Hi Dmitry, > > > > > > > > On Mar 09 2017 or thereabouts, Dmitry Torokhov wrote: > > > > > Hi, > > > > > > > > > > This is refresh of Benjamin's patches trying to bridge PS/2 and SMbus > > > > > devices for better support of Synaptics RMI4 touchpads (and Elans later). > > > > > > > > Thanks! > > > > > > > > I have some issues/comments and am still working on those. Here are some > > > > general comments: > > > > > > > > > > > > > > The main difference is that we do not have platform device, as it only > > > > > adds another indirection level, and have psmouse create SMBus companion > > > > > > > > The purpose of having the platform device was to not have dependency > > > > between psmouse and I2C. Right now I think that patch 6/8 will fail to > > > > compile if I2C=m and PSMOUSE=y (I may be wrong). > > > > > > This is taken care by the following guards in users if MOUSE_PS2_SMBUS: > > > > > > depends on I2C=y || I2C=MOUSE_PS2 > > > > I can see this guards for MOUSE_PS2_SYNAPTICS_SMBUS, but not for > > MOUSE_PS2_SMBUS. So unless I am completely missing the point, if users > > disable SYNAPTICS_SMBUS but keep PS2_SMBUS there might be a problem. > > Hmm, I'll need to play with this. MOUSE_PS2_SMBUS is not user visible. > Might end up adding condition there as well, or doing somethign more > elaborate, like Arnd did for RMI_F03_SERIO. So if I disable MOUSE_PS2_SYNAPTICS_SMBUS then MOUSE_PS2_SMBUS disappears from .config, so I think we are good. Thanks. -- Dmitry -- To unsubscribe from this list: send the line "unsubscribe linux-input" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html