From: Andy Shevchenko <andy.shevchenko@gmail.com>
To: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: "Rafael J. Wysocki" <rafael@kernel.org>,
Heikki Krogerus <heikki.krogerus@linux.intel.com>,
Linus Walleij <linus.walleij@linaro.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Platform Driver <platform-driver-x86@vger.kernel.org>
Subject: Re: [PATCH v4 06/14] software node: get rid of property_set_pointer()
Date: Wed, 11 Sep 2019 12:21:42 +0300 [thread overview]
Message-ID: <20190911092142.GL2680@smile.fi.intel.com> (raw)
In-Reply-To: <20190911083725.GF145199@dtor-ws>
On Wed, Sep 11, 2019 at 01:37:25AM -0700, Dmitry Torokhov wrote:
> On Wed, Sep 11, 2019 at 11:29:10AM +0300, Andy Shevchenko wrote:
> > On Wed, Sep 11, 2019 at 8:15 AM Dmitry Torokhov
> > <dmitry.torokhov@gmail.com> wrote:
> > >
> > > Instead of explicitly setting values of integer types when copying
> > > property entries lets just copy entire value union when processing
> > > non-array values.
> > >
> > > When handling array values assign the pointer there using the newly
> > > introduced "raw" pointer union member. This allows us to remove
> > > property_set_pointer().
> > >
> > > In property_get_pointer() we do not need to handle each data type
> > > separately, we can simply return either the raw pointer or pointer to
> > > values union.
> >
> > Same as before, typechecking is good thing to have for my point of view.
> > Others may have different opinions.
>
> OK, I'll just point out that typechecking is a red herring here as
> everything was and still is accessed through void pointers, and we
> trusted the type set on property. Users of static properties should use
> PROPERTY_ENTRY_XXX() for initialization and do not poke into struct
> property_entry directly.
>
> I suppose it is up to Rafael to decide here.
Yes, and perhaps Mika as they were the main authors of the idea and
implementation.
--
With Best Regards,
Andy Shevchenko
next prev parent reply other threads:[~2019-09-11 9:21 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-09-11 5:12 [PATCH v4 00/14] software node: add support for reference properties Dmitry Torokhov
2019-09-11 5:12 ` [PATCH v4 01/14] software node: remove DEV_PROP_MAX Dmitry Torokhov
2019-09-11 5:12 ` [PATCH v4 02/14] software node: introduce PROPERTY_ENTRY_ARRAY_XXX_LEN() Dmitry Torokhov
2019-09-11 5:12 ` [PATCH v4 03/14] efi/apple-properties: use PROPERTY_ENTRY_U8_ARRAY_LEN Dmitry Torokhov
2019-09-11 5:12 ` [PATCH v4 04/14] software node: mark internal macros with double underscores Dmitry Torokhov
2019-09-11 5:12 ` [PATCH v4 05/14] software node: clean up property_copy_string_array() Dmitry Torokhov
2019-09-11 5:12 ` [PATCH v4 06/14] software node: get rid of property_set_pointer() Dmitry Torokhov
2019-09-11 8:29 ` Andy Shevchenko
2019-09-11 8:37 ` Dmitry Torokhov
2019-09-11 9:21 ` Andy Shevchenko [this message]
2019-09-11 5:12 ` [PATCH v4 07/14] software node: remove property_entry_read_uNN_array functions Dmitry Torokhov
2019-09-11 5:12 ` [PATCH v4 08/14] software node: unify PROPERTY_ENTRY_XXX macros Dmitry Torokhov
2019-09-11 5:12 ` [PATCH v4 09/14] software node: simplify property_entry_read_string_array() Dmitry Torokhov
2019-09-11 5:12 ` [PATCH v4 10/14] software node: rename is_array to is_inline Dmitry Torokhov
2019-09-11 5:12 ` [PATCH v4 11/14] software node: move small properties inline when copying Dmitry Torokhov
2019-09-11 5:12 ` [PATCH v4 12/14] software node: implement reference properties Dmitry Torokhov
2019-09-11 5:12 ` [PATCH v4 13/14] platform/x86: intel_cht_int33fe: use inline " Dmitry Torokhov
2019-09-11 5:12 ` [PATCH v4 14/14] software node: remove separate handling of references Dmitry Torokhov
2019-10-03 0:32 ` [PATCH v4 00/14] software node: add support for reference properties Dmitry Torokhov
2019-10-03 8:39 ` Rafael J. Wysocki
2019-10-11 23:25 ` Dmitry Torokhov
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