[{"id":1781162,"web_url":"http://patchwork.ozlabs.org/comment/1781162/","msgid":"","list_archive_url":null,"date":"2017-10-06T01:27:51","subject":"Re: [U-Boot] [PATCH] linux/kernel.h: import DIV_ROUND_{DOWN,\n\tUP}_ULL from Linux","submitter":{"id":65882,"url":"http://patchwork.ozlabs.org/api/people/65882/","name":"Masahiro Yamada","email":"yamada.masahiro@socionext.com"},"content":"Hi Tom,\n\n2017-09-13 19:16 GMT+09:00 Masahiro Yamada :\n> These macros are useful to avoid link error on 32-bit systems.\n>\n> Signed-off-by: Masahiro Yamada \n> ---\n>\n> include/linux/kernel.h | 5 +++++\n> 1 file changed, 5 insertions(+)\n>\n> diff --git a/include/linux/kernel.h b/include/linux/kernel.h\n> index 0b61671..87d2d95 100644\n> --- a/include/linux/kernel.h\n> +++ b/include/linux/kernel.h\n> @@ -57,6 +57,11 @@\n> #define FIELD_SIZEOF(t, f) (sizeof(((t*)0)->f))\n> #define DIV_ROUND_UP(n,d) (((n) + (d) - 1) / (d))\n>\n> +#define DIV_ROUND_DOWN_ULL(ll, d) \\\n> + ({ unsigned long long _tmp = (ll); do_div(_tmp, d); _tmp; })\n> +\n> +#define DIV_ROUND_UP_ULL(ll, d) DIV_ROUND_DOWN_ULL((ll) + (d) - 1, (d))\n> +\n> #if BITS_PER_LONG == 32\n> # define DIV_ROUND_UP_SECTOR_T(ll,d) DIV_ROUND_UP_ULL(ll, d)\n> #else\n> --\n> 2.7.4\n\n\nCould you pick this up, if you missed it.\n\nI am just copying these two macros from Linux.\nI do not think it is controversial.","headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@bilbo.ozlabs.org","Authentication-Results":["ozlabs.org;\n\tspf=none (mailfrom) smtp.mailfrom=lists.denx.de\n\t(client-ip=81.169.180.215; helo=lists.denx.de;\n\tenvelope-from=u-boot-bounces@lists.denx.de;\n\treceiver=)","ozlabs.org;\n\tdkim=fail reason=\"signature verification failed\" (2048-bit key;\n\tunprotected) header.d=nifty.com header.i=@nifty.com\n\theader.b=\"qh0vwNNz\"; dkim-atps=neutral"],"Received":["from lists.denx.de (dione.denx.de [81.169.180.215])\n\tby ozlabs.org (Postfix) with ESMTP id 3y7X960MrXz9t34\n\tfor ;\n\tFri, 6 Oct 2017 12:28:58 +1100 (AEDT)","by lists.denx.de (Postfix, from userid 105)\n\tid CAFCBC21E0A; 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charset=\"utf-8\"","Content-Transfer-Encoding":"base64","Errors-To":"u-boot-bounces@lists.denx.de","Sender":"\"U-Boot\" "}},{"id":1782102,"web_url":"http://patchwork.ozlabs.org/comment/1782102/","msgid":"<20171007130647.GD25966@bill-the-cat>","list_archive_url":null,"date":"2017-10-07T13:06:47","subject":"Re: [U-Boot] linux/kernel.h: import DIV_ROUND_{DOWN,\n\tUP}_ULL from Linux","submitter":{"id":65875,"url":"http://patchwork.ozlabs.org/api/people/65875/","name":"Tom Rini","email":"trini@konsulko.com"},"content":"On Wed, Sep 13, 2017 at 07:16:44PM +0900, Masahiro Yamada wrote:\n\n> These macros are useful to avoid link error on 32-bit systems.\n> \n> Signed-off-by: Masahiro Yamada \n\nApplied to u-boot/master, thanks!","headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@bilbo.ozlabs.org","Authentication-Results":["ozlabs.org;\n\tspf=none (mailfrom) smtp.mailfrom=lists.denx.de\n\t(client-ip=81.169.180.215; helo=lists.denx.de;\n\tenvelope-from=u-boot-bounces@lists.denx.de;\n\treceiver=)","ozlabs.org;\n\tdkim=fail reason=\"signature verification failed\" (1024-bit key;\n\tunprotected) header.d=konsulko.com header.i=@konsulko.com\n\theader.b=\"Y1CSCC2r\"; 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\n\tSat, 07 Oct 2017 06:06:49 -0700 (PDT)","Date":"Sat, 7 Oct 2017 09:06:47 -0400","From":"Tom Rini ","To":"Masahiro Yamada ","Message-ID":"<20171007130647.GD25966@bill-the-cat>","References":"<1505297804-26648-1-git-send-email-yamada.masahiro@socionext.com>","MIME-Version":"1.0","In-Reply-To":"<1505297804-26648-1-git-send-email-yamada.masahiro@socionext.com>","User-Agent":"Mutt/1.5.24 (2015-08-30)","Cc":"u-boot@lists.denx.de","Subject":"Re: [U-Boot] linux/kernel.h: import DIV_ROUND_{DOWN,\n\tUP}_ULL from Linux","X-BeenThere":"u-boot@lists.denx.de","X-Mailman-Version":"2.1.18","Precedence":"list","List-Id":"U-Boot discussion ","List-Unsubscribe":",\n\t","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n\t","Content-Type":"multipart/mixed;\n\tboundary=\"===============3504894811076425985==\"","Errors-To":"u-boot-bounces@lists.denx.de","Sender":"\"U-Boot\" "}}]