linux-kernel - Re: [PATCH v3 1/2] rtc: Add driver for Microchip PolarFire SoC

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Message-ID: <CAMuHMdVHbOYe4PAGUfTTRfUW9X0xbbM9wc=V-AKq3FxW3uB7JQ@mail.gmail.com>
Date:   Mon, 30 May 2022 15:27:35 +0200
From:   Geert Uytterhoeven <geert@...ux-m68k.org>
To:     Pavel Machek <pavel@....cz>
Cc:     Conor Dooley <conor.dooley@...rochip.com>,
        Alessandro Zummo <a.zummo@...ertech.it>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        daire.mcnamara@...rochip.com,
        Lewis Hanly <lewis.hanly@...rochip.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        linux-rtc@...r.kernel.org,
        linux-riscv <linux-riscv@...ts.infradead.org>
Subject: Re: [PATCH v3 1/2] rtc: Add driver for Microchip PolarFire SoC

On Mon, May 30, 2022 at 9:13 AM Pavel Machek <pavel@....cz> wrote:
 > Add support for the built-in RTC on Microchip PolarFire SoC

> > +     do {
> > +             prog = readl(rtcdev->base + CONTROL_REG);
> > +             prog &= CONTROL_UPLOAD_BIT;
> > +     } while (prog);
>
> Limit to XY iterations?

Perhaps read_poll_timeout()?

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-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