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From: Greg KH <gregkh@linuxfoundation.org>
To: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Cc: Nicholas Johnson <nicholas.johnson-opensource@outlook.com.au>,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH 5/5] nvmem: Add support for write-only instances
Date: Tue, 24 Mar 2020 14:33:52 +0100	[thread overview]
Message-ID: <20200324133352.GA2503959@kroah.com> (raw)
In-Reply-To: <300e8095-3af4-15a2-069f-87ac7cbb83bb@linaro.org>

On Tue, Mar 24, 2020 at 01:25:46PM +0000, Srinivas Kandagatla wrote:
> 
> 
> On 24/03/2020 12:29, Greg KH wrote:
> > > But the Idea here is :
> > > We ended up with providing different options like read-only,root-only to
> > > nvmem providers combined with read/write callbacks.
> > > With that, there are some cases which are totally invalid, existing code
> > > does very minimal check to ensure that before populating with correct
> > > attributes to sysfs file. One of such case is with thunderbolt provider
> > > which supports only write callback.
> > > 
> > > With this new checks in place these flags and callbacks are correctly
> > > validated, would result in correct file attributes.
> > Why this crazy set of different groups?  You can set the mode of a sysfs
> > file in the callback for when the file is about to be created, that's so
> > much simpler and is what it is for.  This feels really hacky and almost
> > impossible to follow:(
> Thanks for the inputs, That definitely sounds much simpler to deal with.
> 
> Am guessing you are referring to is_bin_visible callback?

Yes.


  reply	other threads:[~2020-03-24 13:33 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-03-23 15:00 [PATCH 0/5] nvmem: patches (set 2) for 5.7 Srinivas Kandagatla
2020-03-23 15:00 ` [PATCH 1/5] nvmem: sprd: Fix the block lock operation Srinivas Kandagatla
2020-03-23 19:02   ` Greg KH
2020-03-23 15:00 ` [PATCH 2/5] nvmem: sprd: Optimize " Srinivas Kandagatla
2020-03-23 15:00 ` [PATCH 3/5] nvmem: sprd: Determine double data programming from device data Srinivas Kandagatla
2020-03-23 15:00 ` [PATCH 4/5] nvmem: mxs-ocotp: Use devm_add_action_or_reset() for cleanup Srinivas Kandagatla
2020-03-23 15:00 ` [PATCH 5/5] nvmem: Add support for write-only instances Srinivas Kandagatla
2020-03-23 19:05   ` Greg KH
2020-03-24  3:25     ` Nicholas Johnson
2020-03-24 12:24     ` Srinivas Kandagatla
2020-03-24 12:29       ` Greg KH
2020-03-24 13:25         ` Srinivas Kandagatla
2020-03-24 13:33           ` Greg KH [this message]
2020-03-24 14:24           ` Nicholas Johnson
2020-03-24 15:18             ` Greg KH
2020-03-24 15:59               ` Nicholas Johnson
2020-03-24 16:58             ` Srinivas Kandagatla
2020-03-23 19:06 ` [PATCH 0/5] nvmem: patches (set 2) for 5.7 Greg KH
2020-03-24 12:11   ` Srinivas Kandagatla

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