From: Geert Uytterhoeven <geert@linux-m68k.org>
To: "Stanislav O. Bezzubtsev" <stas@lvk.cs.msu.su>
Cc: Pavel Machek <pavel@ucw.cz>, Bill Gatliff <bgat@billgatliff.com>,
linux-embedded@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PWM PATCH 2/5] Emulates PWM hardware using a high-resolution timer and a GPIO pin
Date: Fri, 12 Feb 2010 14:13:11 +0100 [thread overview]
Message-ID: <10f740e81002120513y457de2afqa155441941261f7a@mail.gmail.com> (raw)
In-Reply-To: <A8919B3D-43EF-4EA5-8334-F1B52AE97E5A@lvk.cs.msu.su>
2010/2/12 Stanislav O. Bezzubtsev <stas@lvk.cs.msu.su>:
> The second strange thing is "unsigned long <name>:1". I'm not sure but as far as I can remember the right way to define several-bits field is "int <name>:1". But I might be mistaken.
A bitfield of size 1 should not be signed, as there's no space for a sign bit.
Usually, you want all bitfields to be unsigned anyway.
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:[~2010-02-12 13:13 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-02-02 7:14 [PWM PATCH 0/5] Implements a common PWM API Bill Gatliff
2010-02-02 7:14 ` [PWM PATCH 1/5] API to consolidate PWM devices behind a common user and kernel interface Bill Gatliff
2010-02-02 7:14 ` [PWM PATCH 2/5] Emulates PWM hardware using a high-resolution timer and a GPIO pin Bill Gatliff
2010-02-02 7:14 ` [PWM PATCH 3/5] Expunge old Atmel PWMC driver, replacing it with one that conforms to the PWM API Bill Gatliff
2010-02-02 7:14 ` [PWM PATCH 4/5] PWM-based LED control Bill Gatliff
2010-02-02 7:14 ` [PWM PATCH 5/5] LED "dimmer" trigger Bill Gatliff
2010-02-02 7:16 ` [PWM PATCH 3/5] Expunge old Atmel PWMC driver, replacing it with one that conforms to the PWM API Bill Gatliff
2010-02-02 17:52 ` H Hartley Sweeten
2010-02-03 4:10 ` Bill Gatliff
2010-02-11 20:07 ` [PWM PATCH 2/5] Emulates PWM hardware using a high-resolution timer and a GPIO pin Pavel Machek
2010-02-11 20:35 ` Bill Gatliff
2010-02-11 20:58 ` Pavel Machek
2010-02-12 7:22 ` Stanislav O. Bezzubtsev
2010-02-12 13:13 ` Geert Uytterhoeven [this message]
2010-02-12 13:41 ` Pavel Machek
2010-02-12 13:53 ` H Hartley Sweeten
2010-02-12 16:26 ` Bill Gatliff
2010-02-16 18:12 ` H Hartley Sweeten
2010-02-02 18:20 ` [PWM PATCH 1/5] API to consolidate PWM devices behind a common user and kernel interface H Hartley Sweeten
2010-02-03 4:12 ` Bill Gatliff
2010-02-04 1:39 ` H Hartley Sweeten
2010-02-04 5:31 ` Bill Gatliff
2010-02-04 17:30 ` Bill Gatliff
2010-02-11 20:04 ` Pavel Machek
2010-02-11 20:51 ` Bill Gatliff
2010-02-11 21:00 ` Pavel Machek
2010-02-02 17:44 ` [PWM PATCH 0/5] Implements a common PWM API H Hartley Sweeten
2010-02-03 4:08 ` Bill Gatliff
2010-02-04 23:20 ` H Hartley Sweeten
2010-02-05 18:53 ` Bill Gatliff
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