From: "Lad, Prabhakar" <prabhakar.csengg@gmail.com>
To: Geert Uytterhoeven <geert@linux-m68k.org>,
Mark Brown <broonie@kernel.org>, Pavel Machek <pavel@denx.de>
Cc: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>,
Jiri Kosina <trivial@kernel.org>,
Sergei Shtylyov <sergei.shtylyov@gmail.com>,
linux-spi <linux-spi@vger.kernel.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Linux-Renesas <linux-renesas-soc@vger.kernel.org>,
Chris Brandt <Chris.Brandt@renesas.com>
Subject: Re: [PATCH 2/2] spi: rpc-if: Remove CONFIG_PM_SLEEP ifdefery
Date: Mon, 4 Jan 2021 21:25:17 +0000 [thread overview]
Message-ID: <CA+V-a8tHVkGxCECspfcV9c1UW81bod4N4YzRLJwU8zJ0+awJUw@mail.gmail.com> (raw)
In-Reply-To: <CAMuHMdVCD52-eTnEwftGz8ExMkZkJRyM=3M8zU11yhn1UNPxxA@mail.gmail.com>
Hi Geert,
Thank you for the review.
On Mon, Jan 4, 2021 at 12:34 PM Geert Uytterhoeven <geert@linux-m68k.org> wrote:
>
> Hi Prabhakar,
>
> On Wed, Dec 30, 2020 at 4:00 PM Lad Prabhakar
> <prabhakar.mahadev-lad.rj@bp.renesas.com> wrote:
> > Use __maybe_unused for the suspend()/resume() hooks and get rid of
> > the CONFIG_PM_SLEEP ifdefery to improve the code.
> >
> > Suggested-by: Pavel Machek <pavel@denx.de>
> > Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
>
> Thanks for your patch!
>
> > --- a/drivers/spi/spi-rpc-if.c
> > +++ b/drivers/spi/spi-rpc-if.c
> > @@ -176,15 +176,14 @@ static int rpcif_spi_remove(struct platform_device *pdev)
> > return 0;
> > }
> >
> > -#ifdef CONFIG_PM_SLEEP
> > -static int rpcif_spi_suspend(struct device *dev)
> > +static int __maybe_unused rpcif_spi_suspend(struct device *dev)
> > {
> > struct spi_controller *ctlr = dev_get_drvdata(dev);
> >
> > return spi_controller_suspend(ctlr);
> > }
> >
> > -static int rpcif_spi_resume(struct device *dev)
> > +static int __maybe_unused rpcif_spi_resume(struct device *dev)
> > {
> > struct spi_controller *ctlr = dev_get_drvdata(dev);
> >
> > @@ -192,17 +191,13 @@ static int rpcif_spi_resume(struct device *dev)
> > }
> >
> > static SIMPLE_DEV_PM_OPS(rpcif_spi_pm_ops, rpcif_spi_suspend, rpcif_spi_resume);
> > -#define DEV_PM_OPS (&rpcif_spi_pm_ops)
> > -#else
> > -#define DEV_PM_OPS NULL
> > -#endif
> >
> > static struct platform_driver rpcif_spi_driver = {
> > .probe = rpcif_spi_probe,
> > .remove = rpcif_spi_remove,
> > .driver = {
> > .name = "rpc-if-spi",
> > - .pm = DEV_PM_OPS,
> > + .pm = &rpcif_spi_pm_ops,
>
> You're aware rpcif_spi_pm_ops is now always referenced and thus emitted,
> increasing kernel size by 92 bytes if CONFIG_PM_SLEEP=n?
> This may matter for RZ/A SoCs running from internal SRAM.
>
Hmm didn't realise this would be an issue on RZ/A.
Mark, could you please drop this patch from your branch.
Cheers,
Prabhakar
> > },
> > };
> > module_platform_driver(rpcif_spi_driver);
>
> 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:[~2021-01-04 23:23 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-30 14:57 [PATCH 0/2] spi: rpc-if: Trivial fixes Lad Prabhakar
2020-12-30 14:57 ` [PATCH 1/2] spi: rpc-if: Avoid use of C++ style comments Lad Prabhakar
2020-12-30 16:27 ` Sergei Shtylyov
2020-12-30 23:16 ` Lad, Prabhakar
2020-12-30 14:57 ` [PATCH 2/2] spi: rpc-if: Remove CONFIG_PM_SLEEP ifdefery Lad Prabhakar
2020-12-30 18:05 ` Pavel Machek
2021-01-04 12:34 ` Geert Uytterhoeven
2021-01-04 21:25 ` Lad, Prabhakar [this message]
2021-01-04 21:30 ` Mark Brown
2021-01-04 23:40 ` Pavel Machek
2021-01-05 7:37 ` Geert Uytterhoeven
2021-01-05 10:42 ` Pavel Machek
2021-01-05 11:11 ` Geert Uytterhoeven
2020-12-31 13:29 ` (subset) [PATCH 0/2] spi: rpc-if: Trivial fixes Mark Brown
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=CA+V-a8tHVkGxCECspfcV9c1UW81bod4N4YzRLJwU8zJ0+awJUw@mail.gmail.com \
--to=prabhakar.csengg@gmail.com \
--cc=Chris.Brandt@renesas.com \
--cc=broonie@kernel.org \
--cc=geert@linux-m68k.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-renesas-soc@vger.kernel.org \
--cc=linux-spi@vger.kernel.org \
--cc=pavel@denx.de \
--cc=prabhakar.mahadev-lad.rj@bp.renesas.com \
--cc=sergei.shtylyov@gmail.com \
--cc=trivial@kernel.org \
/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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).