linux-kernel - Re: [PATCH v7 6/6] w1: ds2438: support for writing to offset register

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Message-ID: <202104171327.3dhODTvY-lkp@intel.com>
Date:   Sat, 17 Apr 2021 13:25:55 +0800
From:   kernel test robot <lkp@...el.com>
To:     Luiz Sampaio <sampaio.ime@...il.com>, zbr@...emap.net
Cc:     kbuild-all@...ts.01.org, corbet@....net,
        rikard.falkeborn@...il.com, gregkh@...uxfoundation.org,
        linux-kernel@...r.kernel.org, linux-doc@...r.kernel.org,
        Luiz Sampaio <sampaio.ime@...il.com>
Subject: Re: [PATCH v7 6/6] w1: ds2438: support for writing to offset register

Hi Luiz,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on linus/master]
[also build test WARNING on v5.12-rc7 next-20210416]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url:    https://github.com/0day-ci/linux/commits/Luiz-Sampaio/w1-ds2438-fixed-a-coding-style-issue/20210417-071754
base:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 151501160401e2dc669ea7dac2c599b53f220c33
config: csky-randconfig-m031-20210416 (attached as .config)
compiler: csky-linux-gcc (GCC) 9.3.0

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>

smatch warnings:
drivers/w1/slaves/w1_ds2438.c:218 w1_ds2438_change_offset_register() warn: inconsistent indenting

vim +218 drivers/w1/slaves/w1_ds2438.c

   195	
   196	static int w1_ds2438_change_offset_register(struct w1_slave *sl, u8 *value)
   197	{
   198		unsigned int retries = W1_DS2438_RETRIES;
   199		u8 w1_buf[9];
   200		u8 w1_page1_buf[DS2438_PAGE_SIZE + 1 /*for CRC*/];
   201	
   202		if (w1_ds2438_get_page(sl, 1, w1_page1_buf) == 0) {
   203			memcpy(&w1_buf[2], w1_page1_buf, DS2438_PAGE_SIZE - 1); /* last register reserved */
   204			w1_buf[7] = value[0]; /* change only offset register */
   205			w1_buf[8] = value[1];
   206			while (retries--) {
   207				if (w1_reset_select_slave(sl))
   208					continue;
   209				w1_buf[0] = W1_DS2438_WRITE_SCRATCH;
   210				w1_buf[1] = 0x01; /* write to page 1 */
   211				w1_write_block(sl->master, w1_buf, 9);
   212	
   213				if (w1_reset_select_slave(sl))
   214					continue;
   215				w1_buf[0] = W1_DS2438_COPY_SCRATCH;
   216				w1_buf[1] = 0x01;
   217				w1_write_block(sl->master, w1_buf, 2);
 > 218					return 0;
   219			}
   220		}
   221		return -1;
   222	}
   223	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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