From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 676DF3229 for ; Mon, 30 Jan 2023 14:27:17 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7BFA2C433EF; Mon, 30 Jan 2023 14:27:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1675088837; bh=Dtm1TnpOmr2KvuNJLcKbBBW7XQLvD2VLM+AndWxBQc4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=DSvpOhSbIF7szC+GuoPUWMAt1dgJ7hpk1W9vGaYnGq0A+tKx8XHEbAOko2WR0iU7d LemSR4fvG3GTXGxq0V5DLI/genj9Da1XLTiO8Yn5sLVhozI0DkntSutGwiv1b1+86b jQyyYTHffNaxEz3OwYBP3v19qPI3HvbPbPN42vQA= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Andy Shevchenko , Wolfram Sang , Sasha Levin Subject: [PATCH 5.10 113/143] units: Add SI metric prefix definitions Date: Mon, 30 Jan 2023 14:52:50 +0100 Message-Id: <20230130134311.521025448@linuxfoundation.org> X-Mailer: git-send-email 2.39.1 In-Reply-To: <20230130134306.862721518@linuxfoundation.org> References: <20230130134306.862721518@linuxfoundation.org> User-Agent: quilt/0.67 Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Andy Shevchenko [ Upstream commit 26471d4a6cf8d5d0bd0fb55c7169de7d67cc703a ] Sometimes it's useful to have well-defined SI metric prefix to be used to self-describe the formulas or equations. List most popular ones in the units.h. Signed-off-by: Andy Shevchenko Signed-off-by: Wolfram Sang Stable-dep-of: c8c37bc51451 ("i2c: designware: use casting of u64 in clock multiplication to avoid overflow") Signed-off-by: Sasha Levin --- include/linux/units.h | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/include/linux/units.h b/include/linux/units.h index 92c234e71cab..3457179f7116 100644 --- a/include/linux/units.h +++ b/include/linux/units.h @@ -4,6 +4,22 @@ #include +/* Metric prefixes in accordance with Système international (d'unités) */ +#define PETA 1000000000000000ULL +#define TERA 1000000000000ULL +#define GIGA 1000000000UL +#define MEGA 1000000UL +#define KILO 1000UL +#define HECTO 100UL +#define DECA 10UL +#define DECI 10UL +#define CENTI 100UL +#define MILLI 1000UL +#define MICRO 1000000UL +#define NANO 1000000000UL +#define PICO 1000000000000ULL +#define FEMTO 1000000000000000ULL + #define MILLIWATT_PER_WATT 1000L #define MICROWATT_PER_MILLIWATT 1000L #define MICROWATT_PER_WATT 1000000L -- 2.39.0