On Mon, Sep 12, 2016 at 06:44:03AM +0000, Vadim Pasternak wrote: > > > > -----Original Message----- > > From: Greg KH [mailto:gre...@linuxfoundation.org] > > Sent: Monday, September 12, 2016 9:13 AM > > To: Vadim Pasternak <vad...@mellanox.com> > > Cc: t...@linutronix.de; mi...@redhat.com; h...@zytor.com; > > da...@davemloft.net; ge...@linux-m68k.org; a...@linux-foundation.org; > > kv...@codeaurora.org; mche...@kernel.org; li...@roeck-us.net; > > x...@kernel.org; linux-kernel@vger.kernel.org; platform-driver- > > x...@vger.kernel.org; j...@resnulli.us > > Subject: Re: [patch v1] x86/platform/mellanox: introduce support for > > Mellanox > > systems platform > > > > On Mon, Sep 12, 2016 at 06:29:58AM +0000, vad...@mellanox.com wrote: > > > From: Vadim Pasternak <vad...@mellanox.com> > > > > > > Enable system support for the Mellanox Technologies platform, which > > > provides support for the next Mellanox basic systems: "msx6710", > > > "msx6720", "msb7700", "msn2700", "msx1410", "msn2410", "msb7800", > > > "msn2740", "msn2100" and also various number of derivative systems > > > from the above basic types. > > > > What does "system support" mean? > > > > Why can't this just be a "normal" PCI driver, as you are just accessing a > > PCI > > device and doing something with it, seems odd to claim it is a "platform" > > driver. > > > > This driver also activates probes to create i2c platform driver and muxes.
And how does it do that? Through the PCI device? > For ARM and PPC based systems I can activate such stuff through dts. > To be honest I don't know what is the right way to do such things for > x86 systems. How is it found in a x86 system, in ACPI? > If I will move PCI related stuff to separate driver, could you suggest > some right location for that? Depends on what it does. > For example, could I have the code like in f.e. in > arch/x86/platform/ts5500/ts5500.c as a platform initialization code? How does it talk to the hardware for this? thanks, greg k-h
