linux-kernel - Re: [PATCH v2 3/5] counter: stm32-timer-cnt: Use TIM_DIER_CCxIE(x) instead of TIM_DIER

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20240620173838.GB1318296@google.com>
Date: Thu, 20 Jun 2024 18:38:38 +0100
From: Lee Jones <lee@...nel.org>
To: Uwe Kleine-König <u.kleine-koenig@...libre.com>
Cc: Fabrice Gasnier <fabrice.gasnier@...s.st.com>,
	William Breathitt Gray <wbg@...nel.org>,
	Maxime Coquelin <mcoquelin.stm32@...il.com>,
	Alexandre Torgue <alexandre.torgue@...s.st.com>,
	linux-pwm@...r.kernel.org, linux-stm32@...md-mailman.stormreply.com,
	linux-iio@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	Thorsten Scherer <T.Scherer@...elmann.de>
Subject: Re: [PATCH v2 3/5] counter: stm32-timer-cnt: Use TIM_DIER_CCxIE(x)
 instead of TIM_DIER_CCxIE(x)

On Thu, 20 Jun 2024, Uwe Kleine-König wrote:

> Hello Lee,
> 
> On Thu, Jun 20, 2024 at 09:44:51AM +0100, Lee Jones wrote:
> > On Wed, 19 Jun 2024, Uwe Kleine-König wrote:
> > 
> > > These two defines have the same purpose and this change doesn't
> > > introduce any differences in drivers/counter/stm32-timer-cnt.o.
> > > 
> > > The only difference between the two is that
> > > 
> > > 	TIM_DIER_CC_IE(1) == TIM_DIER_CC2IE
> > > 
> > > while
> > > 
> > > 	TIM_DIER_CCxIE(1) == TIM_DIER_CC1IE
> > > 
> > > . That makes it necessary to have an explicit "+ 1" in the user code,
> > > but IMHO this is a good thing as this is the code locatation that
> > > "knows" that for software channel 1 you have to use TIM_DIER_CC2IE
> > > (because software guys start counting at 0, while the relevant hardware
> > > designer started at 1).
> > > 
> > > Signed-off-by: Uwe Kleine-König <u.kleine-koenig@...libre.com>
> > > ---
> > >  drivers/counter/stm32-timer-cnt.c | 4 ++--
> > >  1 file changed, 2 insertions(+), 2 deletions(-)
> > 
> > Did you drop William's Ack on purpose?
> 
> Yes, because a) I was unsure what he didn't like about the subject, and
> (more importantly) b) I split the patch in question. I should have
> written that in the cover letter, sorry.
> 
> (Note I only announced to have fixed the subject prefix of the pwm
> patch. I assume you won't include that in your pull request, but if you
> do, please do s/-/: / on it. That's another thing I failed with for this
> series.)

Which patches need to be in the pull-request and which can be hoovered
up by their associated subsystems?

-- 
Lee Jones [李琼斯]