linux-kernel - Re: [PATCH v2 01/10] platform/chrome: cros_kunit_util: add default value for `msg->result`

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Message-ID: <YtdToLP3Ban3nMDM@google.com>
Date:   Wed, 20 Jul 2022 01:00:16 +0000
From:   Tzung-Bi Shih <tzungbi@...nel.org>
To:     Guenter Roeck <groeck@...gle.com>
Cc:     Benson Leung <bleung@...omium.org>,
        Guenter Roeck <groeck@...omium.org>,
        "open list:CHROME HARDWARE PLATFORM SUPPORT" 
        <chrome-platform@...ts.linux.dev>,
        linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 01/10] platform/chrome: cros_kunit_util: add default
 value for `msg->result`

On Tue, Jul 19, 2022 at 02:27:49PM -0700, Guenter Roeck wrote:
> On Mon, Jul 18, 2022 at 9:00 PM Tzung-Bi Shih <tzungbi@...nel.org> wrote:
> >
> > On Mon, Jul 18, 2022 at 06:35:42AM -0700, Guenter Roeck wrote:
> > > On Sun, Jul 17, 2022 at 10:10 PM Tzung-Bi Shih <tzungbi@...nel.org> wrote:
> > > > +int cros_kunit_ec_xfer_mock_default_result;
> > > > +EXPORT_SYMBOL_GPL(cros_kunit_ec_xfer_mock_default_result);
> > >
> > > Is this needed as a global variable and, if so, does it really have to
> > > be exported ?
> > >
> > > >  int cros_kunit_ec_xfer_mock_default_ret;
> > > >  EXPORT_SYMBOL_GPL(cros_kunit_ec_xfer_mock_default_ret);
> > >
> > > Same here, really, only I didn't notice before.
> >
> > Global variables: I'm afraid yes.  They should be accessible to test cases
> > (e.g. drivers/platform/chrome/cros_ec_proto_test.c).
> >
> 
> Hmm, I don't see where that is used. Either case, even if the
> variables are supposed to be used from cros_ec_proto_test.o, I don't
> see why cros_ec_proto_test.o and cros_kunit_util.o need to be separate
> modules. Can you combine them into a single module ? That would avoid
> the exports.

Ack.  I realized these shouldn't be in current series.  Will separate them
into an indepedent series.