From: Wolfgang Denk <wd@denx.de>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH v2 1/4]: Move __set/clear_bit from ubifs.h to bitops.h
Date: Thu, 20 Aug 2009 20:31:45 +0200 [thread overview]
Message-ID: <20090820183145.C1D67833DBD2@gemini.denx.de> (raw)
In-Reply-To: <200908201344.37190.vapier@gentoo.org>
Dear Mike Frysinger,
In message <200908201344.37190.vapier@gentoo.org> you wrote:
>
> > +#define __set_bit(nr, addr) generic_set_bit(nr, addr)
> > +
> > +#define __clear_bit(nr, addr) generic_clear_bit(nr, addr)
>
> this is just silly to put into every arch header. why not do in the common
> code:
> #ifndef __set_bit
> # define __set_bit generice_set_bit
> #endif
Because it doesn't work?
The code usually looks like this: "static inline void __set_bit(...)..."
This defines a static inline function, but _not_ a preprocessor
variable of that name.
Best regards,
Wolfgang Denk
--
DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
When a program is being tested, it is too late to make design
changes. -- Geoffrey James, "The Tao of Programming"
next prev parent reply other threads:[~2009-08-20 18:31 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-08-20 8:49 [U-Boot] [PATCH v2 0/4]: bitops cleanup and fixes Simon Kagstrom
2009-08-20 8:52 ` [U-Boot] [PATCH v2 1/4]: Move __set/clear_bit from ubifs.h to bitops.h Simon Kagstrom
2009-08-20 17:44 ` Mike Frysinger
2009-08-20 18:31 ` Wolfgang Denk [this message]
2009-08-20 18:55 ` Mike Frysinger
2009-08-21 6:05 ` Simon Kagstrom
2009-08-21 6:29 ` Mike Frysinger
2009-08-21 7:03 ` Simon Kagstrom
2009-08-20 8:53 ` [U-Boot] [PATCH v2 2/4]: Make arm bitops endianness-independent Simon Kagstrom
2009-08-20 8:53 ` [U-Boot] [PATCH v2 3/4]: Define ffs/fls for all architectures Simon Kagstrom
2009-08-20 8:53 ` [U-Boot] [PATCH v2 4/4]: Define test_and_set_bit and test_and_clear bit for ARM Simon Kagstrom
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