From: "Michał Orzeł" <michalorzel.eng@gmail.com>
To: Guenter Roeck <linux@roeck-us.net>
Cc: jdelvare@suse.com, linux-hwmon@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] Fix all coding-style warnings on lm75 driver
Date: Tue, 5 May 2020 07:48:46 +0200 [thread overview]
Message-ID: <cc5e0f61-a7f7-c7b7-2e90-8e7817329d1e@gmail.com> (raw)
In-Reply-To: <20200505015808.GA139531@roeck-us.net>
On 05.05.2020 03:58, Guenter Roeck wrote:
> On Thu, Apr 30, 2020 at 04:05:34PM +0200, Michal Orzel wrote:
>> Check/fix all warnings generated by checkpatch.pl script on LM75 driver.
>>
>> Signed-off-by: Michal Orzel <michalorzel.eng@gmail.com>
>
> Applied, but for the future please prepend your patches with something like
> "subsystem: driver:", or for hwmon "hwmon: (driver)".
>
> Also, please keep in mind that such cleanups are not encouraged unless you
> also provide functional changes.
>
> Thanks,
> Guenter
>
I will keep it in mind.
Thanks,
Michal
>> ---
>> drivers/hwmon/lm75.c | 8 ++++++--
>> drivers/hwmon/lm75.h | 31 +++++++++++++++++--------------
>> 2 files changed, 23 insertions(+), 16 deletions(-)
>>
>> diff --git a/drivers/hwmon/lm75.c b/drivers/hwmon/lm75.c
>> index 5e63922..ba0be48 100644
>> --- a/drivers/hwmon/lm75.c
>> +++ b/drivers/hwmon/lm75.c
>> @@ -797,8 +797,10 @@ static int lm75_detect(struct i2c_client *new_client,
>>
>> /* First check for LM75A */
>> if (i2c_smbus_read_byte_data(new_client, 7) == LM75A_ID) {
>> - /* LM75A returns 0xff on unused registers so
>> - just to be sure we check for that too. */
>> + /*
>> + * LM75A returns 0xff on unused registers so
>> + * just to be sure we check for that too.
>> + */
>> if (i2c_smbus_read_byte_data(new_client, 4) != 0xff
>> || i2c_smbus_read_byte_data(new_client, 5) != 0xff
>> || i2c_smbus_read_byte_data(new_client, 6) != 0xff)
>> @@ -849,6 +851,7 @@ static int lm75_suspend(struct device *dev)
>> {
>> int status;
>> struct i2c_client *client = to_i2c_client(dev);
>> +
>> status = i2c_smbus_read_byte_data(client, LM75_REG_CONF);
>> if (status < 0) {
>> dev_dbg(&client->dev, "Can't read config? %d\n", status);
>> @@ -863,6 +866,7 @@ static int lm75_resume(struct device *dev)
>> {
>> int status;
>> struct i2c_client *client = to_i2c_client(dev);
>> +
>> status = i2c_smbus_read_byte_data(client, LM75_REG_CONF);
>> if (status < 0) {
>> dev_dbg(&client->dev, "Can't read config? %d\n", status);
>> diff --git a/drivers/hwmon/lm75.h b/drivers/hwmon/lm75.h
>> index b614e63..a398171 100644
>> --- a/drivers/hwmon/lm75.h
>> +++ b/drivers/hwmon/lm75.h
>> @@ -1,17 +1,15 @@
>> /* SPDX-License-Identifier: GPL-2.0-or-later */
>> /*
>> - lm75.h - Part of lm_sensors, Linux kernel modules for hardware
>> - monitoring
>> - Copyright (c) 2003 Mark M. Hoffman <mhoffman@lightlink.com>
>> -
>> -*/
>> + * lm75.h - Part of lm_sensors, Linux kernel modules for hardware monitoring
>> + * Copyright (c) 2003 Mark M. Hoffman <mhoffman@lightlink.com>
>> + */
>>
>> /*
>> - This file contains common code for encoding/decoding LM75 type
>> - temperature readings, which are emulated by many of the chips
>> - we support. As the user is unlikely to load more than one driver
>> - which contains this code, we don't worry about the wasted space.
>> -*/
>> + * This file contains common code for encoding/decoding LM75 type
>> + * temperature readings, which are emulated by many of the chips
>> + * we support. As the user is unlikely to load more than one driver
>> + * which contains this code, we don't worry about the wasted space.
>> + */
>>
>> #include <linux/kernel.h>
>>
>> @@ -20,18 +18,23 @@
>> #define LM75_TEMP_MAX 125000
>> #define LM75_SHUTDOWN 0x01
>>
>> -/* TEMP: 0.001C/bit (-55C to +125C)
>> - REG: (0.5C/bit, two's complement) << 7 */
>> +/*
>> + * TEMP: 0.001C/bit (-55C to +125C)
>> + * REG: (0.5C/bit, two's complement) << 7
>> + */
>> static inline u16 LM75_TEMP_TO_REG(long temp)
>> {
>> int ntemp = clamp_val(temp, LM75_TEMP_MIN, LM75_TEMP_MAX);
>> +
>> ntemp += (ntemp < 0 ? -250 : 250);
>> return (u16)((ntemp / 500) << 7);
>> }
>>
>> static inline int LM75_TEMP_FROM_REG(u16 reg)
>> {
>> - /* use integer division instead of equivalent right shift to
>> - guarantee arithmetic shift and preserve the sign */
>> + /*
>> + * use integer division instead of equivalent right shift to
>> + * guarantee arithmetic shift and preserve the sign
>> + */
>> return ((s16)reg / 128) * 500;
>> }
>> --
>> 2.7.4
>>
prev parent reply other threads:[~2020-05-05 5:48 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-30 14:05 [PATCH] Fix all coding-style warnings on lm75 driver Michal Orzel
2020-05-05 1:58 ` Guenter Roeck
2020-05-05 5:48 ` Michał Orzeł [this message]
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