Messages in this thread |  | | From | <> | Subject | RE: [PATCH v3 4/8] platform/x86: wmi: create character devices when requested by drivers | Date | Sun, 1 Oct 2017 14:25:00 +0000 |
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> -----Original Message----- > From: Greg KH [mailto:gregkh@linuxfoundation.org] > Sent: Sunday, October 1, 2017 8:24 AM > To: Limonciello, Mario <Mario_Limonciello@Dell.com> > Cc: dvhart@infradead.org; andy.shevchenko@gmail.com; linux- > kernel@vger.kernel.org; platform-driver-x86@vger.kernel.org; luto@kernel.org; > quasisec@google.com; pali.rohar@gmail.com; rjw@rjwysocki.net; > mjg59@google.com; hch@lst.de > Subject: Re: [PATCH v3 4/8] platform/x86: wmi: create character devices when > requested by drivers > > On Sat, Sep 30, 2017 at 07:26:57PM +0000, Mario.Limonciello@dell.com wrote: > > I think what's Darren's most interested in is the that conceptually this is > > an approach you can agree with. > > > > "A WMI vendor driver binds to the WMI bus and requests the WMI bus to > create > > a character device. The WMI bus creates a character device /dev/wmi/$driver > > which the WMI vendor driver will process all various file operations." > > We've been over this before, let's see that actual implementation which > defines the "will process all..." implementation to see if that is > actually an acceptable thing. > > thanks, > > greg k-h
I'm working on changes still (that you'll be CC on), but I don't expect this specific concept to change in the future changes:
Bus creating character device: https://patchwork.kernel.org/patch/9975283/
Driver requesting character device: https://patchwork.kernel.org/patch/9975263/
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