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Date: Tue, 19 Jan 2021 19:38:14 +0100
From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Subject: Re: [PATCH v9 10/17] PCI: endpoint: Allow user to create
 sub-directory of 'EPF Device' directory
Message-ID: <YAcnFiExcr5o4FKa@kroah.com>
References: <20210104152909.22038-11-kishon@ti.com>
 <20210119183405.GA2496684@bjorn-Precision-5520>
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To: Bjorn Helgaas <helgaas@kernel.org>
Cc: Kishon Vijay Abraham I <kishon@ti.com>, Bjorn Helgaas <bhelgaas@google.com>, Jonathan Corbet <corbet@lwn.net>, Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>, Arnd Bergmann <arnd@arndb.de>, Jon Mason <jdmason@kudzu.us>, Dave Jiang <dave.jiang@intel.com>, Allen Hubbe <allenbh@gmail.com>, Tom Joseph <tjoseph@cadence.com>, Rob Herring <robh@kernel.org>, linux-pci@vger.kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-ntb@googlegroups.com
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On Tue, Jan 19, 2021 at 12:34:05PM -0600, Bjorn Helgaas wrote:
> [cc->to Greg]
> 
> On Mon, Jan 04, 2021 at 08:59:02PM +0530, Kishon Vijay Abraham I wrote:
> > Documentation/PCI/endpoint/pci-endpoint-cfs.rst explains how a user
> > has to create a directory in-order to create a 'EPF Device' that
> > can be configured/probed by 'EPF Driver'.
> > 
> > Allow user to create a sub-directory of 'EPF Device' directory for
> > any function specific attributes that has to be exposed to the user.
> 
> Maybe add an example sysfs path in the commit log?
> 
> Seems like there's restriction on hierarchy depth in sysfs, but I
> don't remember the details.  Moved Greg to "to" in case he wants to
> comment.

This is configfs, not sysfs, so I really do not know, sorry.

greg k-h