> -----Original Message----- > From: Greg KH [mailto:gre...@linuxfoundation.org] > Sent: Thursday, September 22, 2016 4:53 PM > To: Vadim Pasternak <vad...@mellanox.com> > Cc: dvh...@infradead.org; da...@davemloft.net; ge...@linux-m68k.org; > a...@linux-foundation.org; kv...@codeaurora.org; mche...@kernel.org; > li...@roeck-us.net; linux-kernel@vger.kernel.org; platform-driver- > x...@vger.kernel.org; j...@resnulli.us > Subject: Re: [patch v1] drivers/platform/x86: introduce support for Mellanox > hotplug driver > > On Thu, Sep 22, 2016 at 01:50:28PM +0000, Vadim Pasternak wrote: > > > > > > > -----Original Message----- > > > From: Greg KH [mailto:gre...@linuxfoundation.org] > > > Sent: Thursday, September 22, 2016 4:43 PM > > > To: Vadim Pasternak <vad...@mellanox.com> > > > Cc: dvh...@infradead.org; da...@davemloft.net; ge...@linux-m68k.org; > > > a...@linux-foundation.org; kv...@codeaurora.org; mche...@kernel.org; > > > li...@roeck-us.net; linux-kernel@vger.kernel.org; platform-driver- > > > x...@vger.kernel.org; j...@resnulli.us > > > Subject: Re: [patch v1] drivers/platform/x86: introduce support for > > > Mellanox hotplug driver > > > > > > On Thu, Sep 22, 2016 at 01:01:46PM +0000, Vadim Pasternak wrote: > > > > > > > > > > > > > -----Original Message----- > > > > > From: Greg KH [mailto:gre...@linuxfoundation.org] > > > > > Sent: Thursday, September 22, 2016 3:31 PM > > > > > To: Vadim Pasternak <vad...@mellanox.com> > > > > > Cc: dvh...@infradead.org; da...@davemloft.net; > > > > > ge...@linux-m68k.org; a...@linux-foundation.org; > > > > > kv...@codeaurora.org; mche...@kernel.org; li...@roeck-us.net; > > > > > linux-kernel@vger.kernel.org; platform-driver- > > > > > x...@vger.kernel.org; j...@resnulli.us > > > > > Subject: Re: [patch v1] drivers/platform/x86: introduce support > > > > > for Mellanox hotplug driver > > > > > > > > > > On Thu, Sep 22, 2016 at 01:14:27PM +0000, vad...@mellanox.com > wrote: > > > > > > From: Vadim Pasternak <vad...@mellanox.com> > > > > > > > > > > > > Enable system support for the Mellanox Technologies hotplug > > > > > > platform driver, 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. > > > > > > This driver handles hot-plug events for the power suppliers, > > > > > > power cables and fans for the above systems. > > > > > > > > > > > > The Kconfig currently controlling compilation of this code is: > > > > > > driver/platform/x86:config MLX_CPLD_PLATFORM > > > > > > tristate "Mellanox platform hotplug driver > > > > > > support" > > > > > > > > > > > > Signed-off-by: Vadim Pasternak <vad...@mellanox.com> > > > > > > --- > > > > > > MAINTAINERS | 7 + > > > > > > drivers/platform/x86/Kconfig | 10 + > > > > > > drivers/platform/x86/Makefile | 1 + > > > > > > drivers/platform/x86/mlxcpld-hotplug.c | 543 > > > > > ++++++++++++++++++++++++++ > > > > > > include/linux/platform_data/mlxcpld-hotplug.h | 90 +++++ > > > > > > > > > > Why do you need a platform_data .h file for a stand-alone driver? > > > > > > > > > > > > > I have another module mlx-platform, which is reviewed now (I also > > > > got a number feedbacks from you on this matter). I want to > > > > activate mlxcpld-hotplug from this module. > > > > > > Ah. Hm, I thought "platform_data" was depreciated. Really, there > > > is no way to put this in acpi or device tree? This feels so 1990's... > > > > > > > I can't put in ACPI, since we don't have it. > > Regarding device tree - I know how to do it for ARM and PPC, but I didn't > > find > some good examples for x86. > > Maybe you can give me some reference for that? > > I have no idea, sorry :(
I see several not so good " artificial" examples of device tree usage in x86. And folder include/linux/platform_data/ contains about thousand files.