From: Matti Vaittinen <mazziesaccount@gmail.com>
To: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: "Matti Vaittinen" <matti.vaittinen@fi.rohmeurope.com>,
"Matti Vaittinen" <matti.vaittinen@linux.dev>,
"Andreas Kemnade" <andreas@kemnade.info>,
"Sebastian Reichel" <sre@kernel.org>,
linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org,
"Kalle Niemi" <kaleposti@gmail.com>,
"Topi Sonkajärvi" <sonkajarvi@hotmail.com>,
"Mikko Mutanen" <mikko.mutanen@fi.rohmeurope.com>,
"Markus Laine" <markus.laine@fi.rohmeurope.com>
Subject: Re: [PATCH 2/5] power: supply: bd71828: Fix current direction
Date: Tue, 11 Aug 2026 11:46:59 +0300 [thread overview]
Message-ID: <440e5deb-8a2c-4379-bc58-e838b427e48e@gmail.com> (raw)
In-Reply-To: <anoH7BweSt-ZPAe0@ashevche-desk.local>
Thanks for the review(s) Andy.
On 10/08/2026 20:18, Andy Shevchenko wrote:
> On Mon, Aug 10, 2026 at 01:09:07PM +0300, Matti Vaittinen wrote:
>
>> Both the current and the average current registers contain same
>> 'direction' -bit to denote the direction of the current. The code
>> reading these registers incorrectly caches the direction read from the
>> first register, and uses it also for the second.
>>
>> Fix this by initializing the direction bit for both register reads.
>
> ...
>
>> static int bd71828_get_current_ds_adc(struct bd71828_power *pwr, int *curr, int
>
>> {
>> __be16 tmp_curr;
>> char *tmp = (char *)&tmp_curr;
>> - int dir = 1;
>> int regs[] = { pwr->regs->ibat, pwr->regs->ibat_avg };
>> int *vals[] = { curr, curr_avg };
>> int ret, i;
>
>> - for (dir = 1, i = 0; i < ARRAY_SIZE(regs); i++) {
>> + for (i = 0; i < ARRAY_SIZE(regs); i++) {
>
>
> While at it
>
> for (unsigned int i = 0; i < ARRAY_SIZE(regs); i++) {
>
>> + int dir = 1;
>
>
> ...and drop it from the top declaration.
Nope. I'm not a fan of introducing variables inside loop conditions.
It's too easy for me to miss them. And, even if I liked the idea (and I
don't), it is not a change related to the actual fix - and making it for
this loop only would make the style inconsistent in this file.
Yours,
-- Matti
--
Matti Vaittinen
Linux kernel developer at ROHM Semiconductors
Oulu Finland
~~ When things go utterly wrong vim users can always type :help! ~~
next prev parent reply other threads:[~2026-08-11 8:47 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-10 10:08 [PATCH 0/5] ROHM bd71828 power-supply fixes Matti Vaittinen
2026-08-10 10:08 ` [PATCH 1/5] power: supply: bd71815: Fix temperature reading Matti Vaittinen
2026-08-10 10:09 ` [PATCH 2/5] power: supply: bd71828: Fix current direction Matti Vaittinen
2026-08-10 17:18 ` Andy Shevchenko
2026-08-11 8:46 ` Matti Vaittinen [this message]
2026-08-11 10:04 ` Andy Shevchenko
2026-08-12 8:10 ` Andreas Kemnade
2026-08-12 8:17 ` Andy Shevchenko
2026-08-12 8:25 ` Andreas Kemnade
2026-08-12 9:30 ` Andy Shevchenko
2026-08-12 9:37 ` Matti Vaittinen
2026-08-12 9:55 ` Andy Shevchenko
2026-08-12 9:40 ` Matti Vaittinen
2026-08-12 11:32 ` Andreas Kemnade
2026-08-10 10:09 ` [PATCH 3/5] power: supply: bd71828: Drop duplicate power-supply property Matti Vaittinen
2026-08-10 18:01 ` Andy Shevchenko
2026-08-10 10:09 ` [PATCH 4/5] power: supply: bd71828: Do not hide errors Matti Vaittinen
2026-08-10 10:10 ` [PATCH 5/5] power: supply: bd99954: Drop bad register fields Matti Vaittinen
2026-08-10 18:03 ` Andy Shevchenko
2026-08-12 6:59 ` [PATCH 0/5] ROHM bd71828 power-supply fixes Kalle Niemi
2026-08-12 22:23 ` Sebastian Reichel
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=440e5deb-8a2c-4379-bc58-e838b427e48e@gmail.com \
--to=mazziesaccount@gmail.com \
--cc=andreas@kemnade.info \
--cc=andriy.shevchenko@linux.intel.com \
--cc=kaleposti@gmail.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-pm@vger.kernel.org \
--cc=markus.laine@fi.rohmeurope.com \
--cc=matti.vaittinen@fi.rohmeurope.com \
--cc=matti.vaittinen@linux.dev \
--cc=mikko.mutanen@fi.rohmeurope.com \
--cc=sonkajarvi@hotmail.com \
--cc=sre@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
all inboxes | Powered by JetHome®