From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 43FF536A007 for ; Tue, 11 Nov 2025 15:45:16 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762875916; cv=none; b=tuiblLQbADFYcWUX4EPoltp97cmt99QOe4ijtDLZ4LHpZOV1tNFCYDg+y31Hk4c/IWcG1/Frim5APAg2umC07TX37+6eusjAHKuXXUDxlB2pptRe2i5YoSkhjpozUz4asFMSXR8nOyd9OsiMk7pWzeMgwKneVFoMJOhKGGLM0oI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762875916; c=relaxed/simple; bh=7jJ7fSlJr0PoTroRPbLlQUt5EWnBP3C5yC1ZgCDzrtU=; h=Date:Message-ID:From:To:Cc:Subject:In-Reply-To:References: MIME-Version:Content-Type; b=WsqntumpDP2uILXfXZenLPkXigEMDYTcjrbxg4EHuY5aqc6xj6nUiM4qHuBZcjP888XRAGnYAqhFUhKZ5Cc51njqCwc5kCpQTVUxsWfMpvmEKoi6tCO7p4w0KR4QEbFwCKPJswm3iXG6C39ahkTjHeHj+L1wkT9HKaKlVSXzhBo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=HF63HSmn; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="HF63HSmn" Received: by smtp.kernel.org (Postfix) with ESMTPSA id DBB2AC16AAE; Tue, 11 Nov 2025 15:45:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1762875915; bh=7jJ7fSlJr0PoTroRPbLlQUt5EWnBP3C5yC1ZgCDzrtU=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=HF63HSmn+5Cct+wTdRjIIOb7bLsGcjWRfWHrYBrqJXXgeQH+oAXsBIhO3cS/s308X +y8kfnyfNIHf1VKPlycNA6wo/RAcZJWxf7B3hj4tGBtefbx3XcofM92r7xVnPLhC1W 4eDYVURP8lthZGDXQIXS9G0hjc/kH0cHT80rH07MP9iMCgaxj4gctuKeU6bGuceTPT 5IJ12zhs1ZoEvd1hpZM1/eq//MNX7nJ6hdvf2+tmn6qi8N5bVo1QTEGOZaTfJLPeQW gbgHH2/IrsJO1lBjVVq7FCX/n/3jnUaaCERjsAEi8+sgTL/GQZolaRBbzJSK1LeuC1 6xXu1PGQtUsGg== Received: from sofa.misterjones.org ([185.219.108.64] helo=goblin-girl.misterjones.org) by disco-boy.misterjones.org with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.98.2) (envelope-from ) id 1vIqYT-00000004Ha2-318R; Tue, 11 Nov 2025 15:45:13 +0000 Date: Tue, 11 Nov 2025 15:45:13 +0000 Message-ID: <86zf8stvxy.wl-maz@kernel.org> From: Marc Zyngier To: Johan Hovold Cc: Mark Rutland , Daniel Lezcano , Thomas Gleixner , linux-kernel@vger.kernel.org Subject: Re: [PATCH 1/3] clocksource/drivers/arm_arch_timer_mmio: Prevent driver unbind In-Reply-To: <20251111153226.579-2-johan@kernel.org> References: <20251111153226.579-1-johan@kernel.org> <20251111153226.579-2-johan@kernel.org> User-Agent: Wanderlust/2.15.9 (Almost Unreal) SEMI-EPG/1.14.7 (Harue) FLIM-LB/1.14.9 (=?UTF-8?B?R29qxY0=?=) APEL-LB/10.8 EasyPG/1.0.0 Emacs/30.1 (aarch64-unknown-linux-gnu) MULE/6.0 (HANACHIRUSATO) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 (generated by SEMI-EPG 1.14.7 - "Harue") Content-Type: text/plain; charset=US-ASCII X-SA-Exim-Connect-IP: 185.219.108.64 X-SA-Exim-Rcpt-To: johan@kernel.org, mark.rutland@arm.com, daniel.lezcano@linaro.org, tglx@linutronix.de, linux-kernel@vger.kernel.org X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false On Tue, 11 Nov 2025 15:32:24 +0000, Johan Hovold wrote: > > Clockevents cannot be deregistered so suppress the bind attributes to > prevent the driver from being unbound and releasing the underlying > resources after registration. > > Fixes: 4891f01527bb ("clocksource/drivers/arm_arch_timer: Add standalone MMIO driver") > Signed-off-by: Johan Hovold > --- > drivers/clocksource/arm_arch_timer_mmio.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/drivers/clocksource/arm_arch_timer_mmio.c b/drivers/clocksource/arm_arch_timer_mmio.c > index ebe1987d651e..d10362692fdd 100644 > --- a/drivers/clocksource/arm_arch_timer_mmio.c > +++ b/drivers/clocksource/arm_arch_timer_mmio.c > @@ -426,6 +426,7 @@ static struct platform_driver arch_timer_mmio_drv = { > .driver = { > .name = "arch-timer-mmio", > .of_match_table = arch_timer_mmio_of_table, > + .suppress_bind_attrs = true, > }, > .probe = arch_timer_mmio_probe, > }; > @@ -434,6 +435,7 @@ builtin_platform_driver(arch_timer_mmio_drv); > static struct platform_driver arch_timer_mmio_acpi_drv = { > .driver = { > .name = "gtdt-arm-mmio-timer", > + .suppress_bind_attrs = true, > }, > .probe = arch_timer_mmio_probe, > }; Acked-by: Marc Zyngier M. -- Without deviation from the norm, progress is not possible.