linux-kernel - [PATCH v3 0/3] i2c: PCF8584: Fix errors reported by checkpatch.pl

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Message-ID: <20250908175902.214066-1-chiru.cezar.89@gmail.com>
Date: Mon,  8 Sep 2025 20:58:59 +0300
From: Cezar Chiru <chiru.cezar.89@...il.com>
To: andi.shyti@...nel.org,
	Markus.Elfring@....de
Cc: linux-i2c@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Cezar Chiru <chiru.cezar.89@...il.com>
Subject: [PATCH v3 0/3] i2c: PCF8584: Fix errors reported by checkpatch.pl

Hello maintainers,

This patch series fixes 18 errors reported by checkpatch.pl on
drivers/i2c/algos/i2c-algo-pcf.c file.

The series v1->v2->v3 is a response to the discussion on the mailing 
list with Markus Elfring that had comments on my earlier submisions. First
he suggested to split my initial submission in a patch series. Then he had
some valid points on imperative mood usage in commit messages, wrapping
commit message to 75 columns per line.

Here is a brief summary and Order of patches to be applied:

Patch 1/3: i2c: PCF8584: Fix debug macros defines of if statements
This patch encloses the debug macro defines of if statements in do-while
loops.

Patch 2/3: i2c: PCF8584: Fix do not use assignment in if conditional
This patch takes the assignement from if conditional and moves it by 1 line
up.

Patch 3/3: i2c: PCF8584: Fix space(s) required before or after different
           operators
This patch adds space(s) around, before or after some operators

Testing:
  *built kernel and modules with I2C_ALGOPCF=m and my 3 patches applied on
  top.
  *installed kernel and external modules generated by build on my laptop
  *rebooted and loaded i2c-algo-pcf.ko with param i2c_debug=2/3/9.
  *No success message related to i2c_algo_pcf was seen in dmesg but also no
  errors.
  *Module loading and unloading successfull.
  *No PCF8584 Hardware was available.

Patches 1 and 3 report 4 and 6 warnings when running checkpatch on them.
But the warnings will be fixed in a new patchset that addresses fixing
warnings.

Cezar Chiru (3):
  i2c: PCF8584: Fix debug macros defines of if statements
  i2c: PCF8584: Fix do not use assignment in if conditional
  i2c: PCF8584: Fix space(s) required before or after different operators

 drivers/i2c/algos/i2c-algo-pcf.c | 62 ++++++++++++++++++++------------
 1 file changed, 39 insertions(+), 23 deletions(-)

-- 
2.43.0