From: Alexandre Belloni <alexandre.belloni@bootlin.com>
To: Yury Norov <ynorov@nvidia.com>
Cc: "Thomas Gleixner" <tglx@kernel.org>,
"Ingo Molnar" <mingo@redhat.com>,
"Borislav Petkov" <bp@alien8.de>,
"Dave Hansen" <dave.hansen@linux.intel.com>,
"H. Peter Anvin" <hpa@zytor.com>,
"Andy Lutomirski" <luto@kernel.org>,
"Peter Zijlstra" <peterz@infradead.org>,
"Jonathan Cameron" <jic23@kernel.org>,
"David Lechner" <dlechner@baylibre.com>,
"Johannes Berg" <johannes@sipsolutions.net>,
"David Laight" <david.laight.linux@gmail.com>,
"Nuno Sá" <nuno.sa@analog.com>,
"Andy Shevchenko" <andy@kernel.org>,
"Ping-Ke Shih" <pkshih@realtek.com>,
"Richard Cochran" <richardcochran@gmail.com>,
"Andrew Lunn" <andrew+netdev@lunn.ch>,
"David S. Miller" <davem@davemloft.net>,
"Eric Dumazet" <edumazet@google.com>,
"Jakub Kicinski" <kuba@kernel.org>,
"Paolo Abeni" <pabeni@redhat.com>,
"Yury Norov" <yury.norov@gmail.com>,
"Rasmus Villemoes" <linux@rasmusvillemoes.dk>,
"Hans de Goede" <hansg@kernel.org>,
"Linus Walleij" <linusw@kernel.org>,
"Sakari Ailus" <sakari.ailus@linux.intel.com>,
"Salah Triki" <salah.triki@gmail.com>,
"Achim Gratz" <Achim.Gratz@stromeko.de>,
"Ben Collins" <bcollins@watter.com>,
x86@kernel.org, linux-kernel@vger.kernel.org,
linux-iio@vger.kernel.org, linux-wireless@vger.kernel.org,
netdev@vger.kernel.org, linux-rtc@vger.kernel.org
Subject: Re: [PATCH v2 8/9] rtc: rv3032: switch to using FIELD_GET_SIGNED()
Date: Tue, 28 Apr 2026 16:20:40 +0200 [thread overview]
Message-ID: <202604281420408aa2e078@mail.local> (raw)
In-Reply-To: <20260427214127.406067-9-ynorov@nvidia.com>
On 27/04/2026 17:41:25-0400, Yury Norov wrote:
> Switch from sign_extend32(FIELD_GET()) to the dedicated
> FIELD_GET_SIGNED() and don't calculate the fields length explicitly.
>
> Signed-off-by: Yury Norov <ynorov@nvidia.com>
Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
> ---
> drivers/rtc/rtc-rv3032.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/rtc/rtc-rv3032.c b/drivers/rtc/rtc-rv3032.c
> index 6c09da7738e1..6bafdec637ae 100644
> --- a/drivers/rtc/rtc-rv3032.c
> +++ b/drivers/rtc/rtc-rv3032.c
> @@ -376,7 +376,7 @@ static int rv3032_read_offset(struct device *dev, long *offset)
> if (ret < 0)
> return ret;
>
> - steps = sign_extend32(FIELD_GET(RV3032_OFFSET_MSK, value), 5);
> + steps = FIELD_GET_SIGNED(RV3032_OFFSET_MSK, value);
>
> *offset = DIV_ROUND_CLOSEST(steps * OFFSET_STEP_PPT, 1000);
>
> --
> 2.51.0
>
--
Alexandre Belloni, co-owner and COO, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com
next prev parent reply other threads:[~2026-04-28 14:20 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-04-27 21:41 [PATCH v2 0/9] bitfield: add FIELD_GET_SIGNED() Yury Norov
2026-04-27 21:41 ` [PATCH v2 1/9] " Yury Norov
2026-04-27 21:41 ` [PATCH v2 2/9] x86/extable: switch to using FIELD_GET_SIGNED() Yury Norov
2026-04-28 9:39 ` Peter Zijlstra
2026-04-29 19:00 ` Yury Norov
2026-04-27 21:41 ` [PATCH v2 3/9] iio: intel_dc_ti_adc: " Yury Norov
2026-04-27 21:41 ` [PATCH v2 4/9] iio: magnetometer: yas530: " Yury Norov
2026-04-27 21:41 ` [PATCH v2 5/9] iio: pressure: bmp280: " Yury Norov
2026-04-27 21:41 ` [PATCH v2 6/9] iio: mcp9600: " Yury Norov
2026-04-27 21:41 ` [PATCH v2 7/9] wifi: rtw89: " Yury Norov
2026-04-28 7:10 ` Andy Shevchenko
2026-04-28 10:43 ` David Laight
2026-04-29 0:39 ` Ping-Ke Shih
2026-04-29 0:40 ` Ping-Ke Shih
2026-04-27 21:41 ` [PATCH v2 8/9] rtc: rv3032: " Yury Norov
2026-04-28 14:20 ` Alexandre Belloni [this message]
2026-04-27 21:41 ` [PATCH v2 9/9] ptp: " Yury Norov
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