From: Wolfgang Denk <wd@denx.de>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH v5] bitops: introduce BIT() definition
Date: Wed, 09 Sep 2015 20:25:40 +0200 [thread overview]
Message-ID: <20150909182540.25235380DF2@gemini.denx.de> (raw)
In-Reply-To: <1441626234-16364-1-git-send-email-andreas.devel@googlemail.com>
Dear Andreas,
In message <1441626234-16364-1-git-send-email-andreas.devel@googlemail.com> you wrote:
...
> --- a/include/linux/bitops.h
> +++ b/include/linux/bitops.h
> @@ -3,6 +3,8 @@
>
> #include <asm/types.h>
>
> +#define BIT(nr) (1UL << (nr))
What happens when someone decides to use this on a 64 bit register?
Also, this definition is inherently wrong for Power Architecture (TM)
systems, where bit 0 is the most significant bit.
Best regards,
Wolfgang Denk
--
DENX Software Engineering GmbH, Managing Director: Wolfgang Denk
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd@denx.de
Today is the yesterday you worried about tomorrow.
next prev parent reply other threads:[~2015-09-09 18:25 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-08-21 17:01 [U-Boot] [PATCH v4 0/4] add dfu support for at91 sam9260 based boards Heiko Schocher
2015-08-21 17:01 ` [U-Boot] [PATCH v4 1/4] bitops: introduce BIT() definition Heiko Schocher
2015-08-21 19:26 ` Michael Heimpold
2015-08-21 19:29 ` Marek Vasut
2015-09-07 11:20 ` Andreas Bießmann
2015-09-07 11:52 ` Heiko Schocher
2015-09-07 12:01 ` Andreas Bießmann
2015-09-07 12:15 ` Marek Vasut
2015-09-07 12:42 ` Jagan Teki
2015-09-07 11:43 ` [U-Boot] [PATCH v5] " Andreas Bießmann
2015-09-07 11:47 ` Stefan Roese
2015-09-08 15:54 ` Tom Warren
2015-09-08 16:17 ` Anatolij Gustschin
2015-09-08 18:01 ` ivan.khoronzhuk
2015-09-09 16:22 ` Scott Wood
2015-09-09 16:37 ` Tom Rini
2015-09-09 17:10 ` Scott Wood
2015-09-09 18:58 ` Ivan Khoronzhuk
2015-09-09 18:52 ` Ivan Khoronzhuk
2015-09-09 18:59 ` Scott Wood
2015-09-09 18:25 ` Wolfgang Denk [this message]
2015-09-09 19:04 ` Scott Wood
2015-09-12 12:52 ` [U-Boot] [U-Boot,v5] " Tom Rini
2015-09-08 18:03 ` [U-Boot] [PATCH v4 1/4] " Jagan Teki
2015-08-21 17:01 ` [U-Boot] [PATCH v4 2/4] usb: gadget: at91_udc: port linux driver at91_udc Heiko Schocher
2015-08-21 17:01 ` [U-Boot] [PATCH v4 3/4] usb: gadget: at91_udc: add at91_udc into U-Boot Heiko Schocher
2015-08-21 17:01 ` [U-Boot] [PATCH v4 4/4] at91, taurus, smartweb: add dfu support Heiko Schocher
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