linux-kernel - [PATCH] regulator: palmas: Remove wrong comment for the equation calculating num

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-ID: <1378949892.15915.1.camel@phoenix>
Date:	Thu, 12 Sep 2013 09:38:12 +0800
From:	Axel Lin <axel.lin@...ics.com>
To:	Mark Brown <broonie@...aro.org>
Cc:	Laxman Dewangan <ldewangan@...dia.com>,
	Liam Girdwood <lgirdwood@...il.com>,
	linux-kernel@...r.kernel.org
Subject: [PATCH] regulator: palmas: Remove wrong comment for the equation
 calculating num_voltages

Current equation on the comment is wrong.
For linear mapping starting from 0, the equation is (maxV-minV)/stepV + 1.
Since the linear mapping for PALMAS is not all starting from 0, the equation
on the comment is not useful and misleading. Thus remove it.

Signed-off-by: Axel Lin <axel.lin@...ics.com>
---
 drivers/regulator/palmas-regulator.c | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/drivers/regulator/palmas-regulator.c b/drivers/regulator/palmas-regulator.c
index fba4faa..7e2b165 100644
--- a/drivers/regulator/palmas-regulator.c
+++ b/drivers/regulator/palmas-regulator.c
@@ -201,12 +201,6 @@ static unsigned int palmas_smps_ramp_delay[4] = {0, 10000, 5000, 2500};
 #define SMPS_CTRL_MODE_ECO		0x02
 #define SMPS_CTRL_MODE_PWM		0x03
 
-/* These values are derived from the data sheet. And are the number of steps
- * where there is a voltage change, the ranges at beginning and end of register
- * max/min values where there are no change are ommitted.
- *
- * So they are basically (maxV-minV)/stepV
- */
 #define PALMAS_SMPS_NUM_VOLTAGES	122
 #define PALMAS_SMPS10_NUM_VOLTAGES	2
 #define PALMAS_LDO_NUM_VOLTAGES		50
-- 
1.8.1.2



--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/