From: Geert Uytterhoeven <geert@linux-m68k.org>
To: Stephen Boyd <swboyd@chromium.org>
Cc: Rob Herring <robh@kernel.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
"open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS"
<devicetree@vger.kernel.org>, kernel test robot <lkp@intel.com>,
Geert Uytterhoeven <geert+renesas@glider.be>,
Arnd Bergmann <arnd@arndb.de>, Mark Brown <broonie@kernel.org>
Subject: Re: [PATCH v2] ASoC: da7218: Drop CONFIG_OF ifdef
Date: Tue, 2 Feb 2021 21:06:15 +0100 [thread overview]
Message-ID: <CAMuHMdWKr5q1OrwJ5DEnFvqYYXJqXhH_isKQnJozf5tu=ZVViA@mail.gmail.com> (raw)
In-Reply-To: <20210202192016.49028-1-swboyd@chromium.org>
Hi Stephen,
On Tue, Feb 2, 2021 at 8:20 PM Stephen Boyd <swboyd@chromium.org> wrote:
> This reverts commit a06cd8cf97a3 ("ASoC: da7218: skip of_device_id table
> when !CONFIG_OF") because we want to make of_match_device() stop using
> of_match_ptr() internally, confusing compilers and causing ifdef
> pollution.
>
> Reported-by: kernel test robot <lkp@intel.com>
> Cc: Geert Uytterhoeven <geert+renesas@glider.be>
> Acked-by: Arnd Bergmann <arnd@arndb.de>
> Cc: Mark Brown <broonie@kernel.org>
> Signed-off-by: Stephen Boyd <swboyd@chromium.org>
Thanks for your patch!
> ---
>
> Changes from v1:
> * Dropped of_match_ptr() in driver too
>
> sound/soc/codecs/da7218.c | 4 +---
> 1 file changed, 1 insertion(+), 3 deletions(-)
>
> diff --git a/sound/soc/codecs/da7218.c b/sound/soc/codecs/da7218.c
> index 2bfafbe9e3dc..83cace9d0139 100644
> --- a/sound/soc/codecs/da7218.c
> +++ b/sound/soc/codecs/da7218.c
> @@ -2278,14 +2278,12 @@ static irqreturn_t da7218_irq_thread(int irq, void *data)
> * DT
> */
>
> -#ifdef CONFIG_OF
> static const struct of_device_id da7218_of_match[] = {
> { .compatible = "dlg,da7217", .data = (void *) DA7217_DEV_ID },
> { .compatible = "dlg,da7218", .data = (void *) DA7218_DEV_ID },
> { }
> };
> MODULE_DEVICE_TABLE(of, da7218_of_match);
> -#endif
>
> static inline int da7218_of_get_id(struct device *dev)
> {
> @@ -3311,7 +3309,7 @@ MODULE_DEVICE_TABLE(i2c, da7218_i2c_id);
> static struct i2c_driver da7218_i2c_driver = {
> .driver = {
> .name = "da7218",
> - .of_match_table = of_match_ptr(da7218_of_match),
> + .of_match_table = da7218_of_match,
This does mean the compiler can no longer optimize the table away
in the CONFIG_OF=n case. Is that intentional?
> },
> .probe = da7218_i2c_probe,
> .id_table = da7218_i2c_id,
>
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
next prev parent reply other threads:[~2021-02-02 20:08 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-02-02 19:20 [PATCH v2] ASoC: da7218: Drop CONFIG_OF ifdef Stephen Boyd
2021-02-02 20:06 ` Geert Uytterhoeven [this message]
2021-02-02 20:50 ` Arnd Bergmann
2021-02-03 7:45 ` Geert Uytterhoeven
2021-02-04 19:53 ` Mark Brown
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