From: David Laight <david.laight.linux@gmail.com>
To: Yury Norov <ynorov@nvidia.com>
Cc: "Johannes Berg" <johannes@sipsolutions.net>,
"Thomas Gleixner" <tglx@kernel.org>,
"Ingo Molnar" <mingo@redhat.com>,
"Borislav Petkov" <bp@alien8.de>,
"Dave Hansen" <dave.hansen@linux.intel.com>,
x86@kernel.org, "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>,
"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>,
"Alexandre Belloni" <alexandre.belloni@bootlin.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>,
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 1/9] bitfield: add FIELD_GET_SIGNED()
Date: Fri, 24 Apr 2026 22:37:15 +0100 [thread overview]
Message-ID: <20260424223715.077288e8@pumpkin> (raw)
In-Reply-To: <aeub59FBHbCy-KKP@yury>
On Fri, 24 Apr 2026 12:35:51 -0400
Yury Norov <ynorov@nvidia.com> wrote:
...
> > Any chance it'd be simple to generate u32_get_bits_signed() etc.? Could
> > be especially useful for le32_get_bits_signed() for example, to have the
> > endian conversion built-in unlike FIELD_GET_SIGNED().
>
> Maybe this:
>
> x = FIELD_GET_SIGNED(mask, le32_to_cpu(reg))
But if you are going to follow it by:
x1 = FIELD_GET_SIGNED(mask1, le32_to_cpu(reg))
you really want to to the byteswap once, best as:
reg = le32_to_cpu(struct->member);
David
>
> Thanks,
> Yury
>
next prev parent reply other threads:[~2026-04-24 21:37 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-04-17 17:36 [PATCH 0/9] bitfield: add FIELD_GET_SIGNED() Yury Norov
2026-04-17 17:36 ` [PATCH 1/9] " Yury Norov
2026-04-17 18:12 ` Andy Shevchenko
2026-04-17 19:43 ` David Laight
2026-04-17 21:09 ` Yury Norov
2026-04-20 8:43 ` Johannes Berg
2026-04-24 14:50 ` David Laight
2026-04-24 16:35 ` Yury Norov
2026-04-24 21:37 ` David Laight [this message]
2026-04-27 8:29 ` Johannes Berg
2026-04-27 9:42 ` David Laight
2026-04-20 11:19 ` Peter Zijlstra
2026-04-20 17:54 ` Yury Norov
2026-04-21 9:27 ` David Laight
2026-04-17 17:36 ` [PATCH 2/9] x86/extable: switch to using FIELD_GET_SIGNED() Yury Norov
2026-04-20 11:24 ` Peter Zijlstra
2026-04-20 17:18 ` Yury Norov
2026-04-20 22:00 ` David Laight
2026-04-17 17:36 ` [PATCH 3/9] iio: intel_dc_ti_adc: " Yury Norov
2026-04-19 13:18 ` Jonathan Cameron
2026-04-17 17:36 ` [PATCH 4/9] iio: magnetometer: yas530: " Yury Norov
2026-04-19 13:20 ` Jonathan Cameron
2026-04-19 20:11 ` Linus Walleij
2026-04-17 17:36 ` [PATCH 5/9] iio: pressure: bmp280: " Yury Norov
2026-04-19 13:21 ` Jonathan Cameron
2026-04-17 17:36 ` [PATCH 6/9] iio: mcp9600: " Yury Norov
2026-04-19 13:21 ` Jonathan Cameron
2026-04-17 17:36 ` [PATCH 7/9] wifi: rtw89: " Yury Norov
2026-04-20 7:49 ` Ping-Ke Shih
2026-04-20 17:59 ` Yury Norov
2026-04-17 17:36 ` [PATCH 8/9] rtc: rv3032: " Yury Norov
2026-04-17 17:36 ` [PATCH 9/9] ptp: " Yury Norov
2026-04-17 18:23 ` [PATCH 0/9] bitfield: add FIELD_GET_SIGNED() Andy Shevchenko
2026-04-17 19:21 ` Yury Norov
2026-04-24 12:09 ` Jonathan Cameron
2026-04-24 15:50 ` Yury Norov
2026-04-24 17:10 ` Yury Norov
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