From: Greg KH <greg@kroah.com>
To: Tomek The Messenger <tomekthemessenger@gmail.com>
Cc: kernelnewbies@kernelnewbies.org
Subject: Re: the use case of MODULE_SOFTDEP
Date: Sun, 22 Mar 2020 17:38:26 +0100 [thread overview]
Message-ID: <20200322163826.GC96331@kroah.com> (raw)
In-Reply-To: <CAA4NGysW7KUiVtCTFvmUxntQ5bexaxToj433B+Kt9uxG_cqPaw@mail.gmail.com>
On Sun, Mar 22, 2020 at 05:17:21PM +0100, Tomek The Messenger wrote:
> What is the use case of using:
> MODULE_SOFTDEP("pre: another-external-kernel-module...");
> because I completely don't understand.
> If I have phandle to another-external-kernel-module in dts which is
> mandatory in my kernel driver then should I put this line in my kernel
> driver code?
> If I use function of core.c which is my framework and this is also as
> external module then should I put this line in my kernel driver code:
> MODULE_SOFTDEP("pre: testframework-core");
>
> Who knows please respond as this is black magic for me.
If you do not understand what this does, I would not worry about it as
that implies that you do not need it :)
Just write a simple driver, no need for fancy frameworks or anything
else, first. Then worry about optimizing it after you get review from
the community.
good luck!
greg k-h
_______________________________________________
Kernelnewbies mailing list
Kernelnewbies@kernelnewbies.org
https://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
prev parent reply other threads:[~2020-03-22 16:38 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-22 16:17 the use case of MODULE_SOFTDEP Tomek The Messenger
2020-03-22 16:38 ` Greg KH [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20200322163826.GC96331@kroah.com \
--to=greg@kroah.com \
--cc=kernelnewbies@kernelnewbies.org \
--cc=tomekthemessenger@gmail.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.