Re: [PATCH] Fix all coding-style warnings on lm75 driver

2020-05-04 Thread Michał Orzeł



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 
> 
> 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(>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(>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 
>> -
>> -*/
>> + * lm75.h - Part of lm_sensors, Linux kernel modules for hardware monitoring
>> + * Copyright (c) 2003 Mark M. Hoffman 
>> + */
>>  
>>  /*
>> -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 
>>  
>> @@ -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
>>


Re: [PATCH] Fix all coding-style warnings on lm75 driver

2020-05-04 Thread Guenter Roeck
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 

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

> ---
>  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(>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(>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 
> -
> -*/
> + * lm75.h - Part of lm_sensors, Linux kernel modules for hardware monitoring
> + * Copyright (c) 2003 Mark M. Hoffman 
> + */
>  
>  /*
> -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 
>  
> @@ -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
> 


[PATCH] Fix all coding-style warnings on lm75 driver

2020-04-30 Thread Michal Orzel
Check/fix all warnings generated by checkpatch.pl script on LM75 driver.

Signed-off-by: Michal Orzel 
---
 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(>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(>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 
-
-*/
+ * lm75.h - Part of lm_sensors, Linux kernel modules for hardware monitoring
+ * Copyright (c) 2003 Mark M. Hoffman 
+ */
 
 /*
-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 
 
@@ -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