From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from metis.ext.pengutronix.de ([2001:6f8:1178:4:290:27ff:fe1d:cc33]) by merlin.infradead.org with esmtps (Exim 4.76 #1 (Red Hat Linux)) id 1TRgy6-0001Zt-P5 for barebox@lists.infradead.org; Fri, 26 Oct 2012 10:16:49 +0000 From: Wolfram Sang Date: Fri, 26 Oct 2012 12:16:33 +0200 Message-Id: <1351246602-8859-2-git-send-email-w.sang@pengutronix.de> In-Reply-To: <1351246602-8859-1-git-send-email-w.sang@pengutronix.de> References: <1351246602-8859-1-git-send-email-w.sang@pengutronix.de> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: barebox-bounces@lists.infradead.org Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org Subject: [RFC 01/10] mtd: move is_power_of_2() to a public place To: barebox@lists.infradead.org Cc: Wolfram Sang Will need this later for ubiformat. Signed-off-by: Wolfram Sang --- drivers/mtd/ubi/ubi-barebox.h | 5 +---- include/mtd/utils.h | 25 +++++++++++++++++++++++++ 2 files changed, 26 insertions(+), 4 deletions(-) create mode 100644 include/mtd/utils.h diff --git a/drivers/mtd/ubi/ubi-barebox.h b/drivers/mtd/ubi/ubi-barebox.h index 72f29a6..919dc50 100644 --- a/drivers/mtd/ubi/ubi-barebox.h +++ b/drivers/mtd/ubi/ubi-barebox.h @@ -25,6 +25,7 @@ #include #include #include +#include #define crc32(seed, data, length) crc32_no_comp(seed, (unsigned char const *)data, length) @@ -53,10 +54,6 @@ do { \ #define put_device(...) #define ubi_sysfs_init(...) 0 #define ubi_sysfs_close(...) do { } while (0) -static inline int is_power_of_2(unsigned long n) -{ - return (n != 0 && ((n & (n - 1)) == 0)); -} /* FIXME */ #define MKDEV(...) 0 diff --git a/include/mtd/utils.h b/include/mtd/utils.h new file mode 100644 index 0000000..229fb34 --- /dev/null +++ b/include/mtd/utils.h @@ -0,0 +1,25 @@ +/* + * mtd/utils.h - helper functions for various MTD utilities + * + * Copyright (C) 2012 by Wolfram Sang + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#ifndef INCLUDE_MTD_UTILS_H +# define INCLUDE_MTD_UTILS_H + +static inline int is_power_of_2(unsigned long n) +{ + return (n != 0 && ((n & (n - 1)) == 0)); +} + +#endif /* INCLUDE_MTD_UTILS_H */ -- 1.7.10.4 _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox