linux-kernel - Re: [PATCH 3/8] clk: tenstorrent: Add Atlantis clock controller driver

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Message-ID: <20260116-frisky-heavenly-pig-953fa4@quoll>
Date: Fri, 16 Jan 2026 10:00:28 +0100
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Brian Masney <bmasney@...hat.com>
Cc: Anirudh Srinivasan <asrinivasan@....tenstorrent.com>, 
	Drew Fustini <dfustini@....tenstorrent.com>, Joel Stanley <jms@....tenstorrent.com>, 
	Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
	Conor Dooley <conor+dt@...nel.org>, Michael Turquette <mturquette@...libre.com>, 
	Stephen Boyd <sboyd@...nel.org>, Philipp Zabel <p.zabel@...gutronix.de>, 
	linux-riscv@...ts.infradead.org, devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, 
	linux-clk@...r.kernel.org, joel@....id.au, fustini@...nel.org, mpe@...nel.org, 
	mpe@....tenstorrent.com, npiggin@....tenstorrent.com, agross@...nel.org, 
	agross@....tenstorrent.com
Subject: Re: [PATCH 3/8] clk: tenstorrent: Add Atlantis clock controller
 driver

On Thu, Jan 15, 2026 at 09:05:35PM -0500, Brian Masney wrote:
> 
> > +static void atlantis_ccu_lock(void *_lock)
> > +{
> > +	spinlock_t *lock = _lock;
> > +
> > +	spin_lock(lock);
> > +}
> > +
> > +static void atlantis_ccu_unlock(void *_lock)
> > +{
> > +	spinlock_t *lock = _lock;
> > +
> > +	spin_unlock(lock);
> > +}
> 
> Are these abstractions really needed? Why not just call spin_lock/unlock
> directly?

They are actually harmful - make code less readable and introduce very
poor (lose) API accepting whatever pointer... This is exactly code which
should notbe here.


Best regards,
Krzysztof