linux-kernel - Re: [PATCH 0/3] Samsung mfd/rtc driver alarm IRQ simplification

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Message-ID: <20251120103104.GY1949330@google.com>
Date: Thu, 20 Nov 2025 10:31:04 +0000
From: Lee Jones <lee@...nel.org>
To: André Draszik <andre.draszik@...aro.org>
Cc: Krzysztof Kozlowski <krzk@...nel.org>,
	Alexandre Belloni <alexandre.belloni@...tlin.com>,
	Peter Griffin <peter.griffin@...aro.org>,
	Tudor Ambarus <tudor.ambarus@...aro.org>,
	Will McVicker <willmcvicker@...gle.com>,
	Juan Yescas <jyescas@...gle.com>,
	Douglas Anderson <dianders@...omium.org>, kernel-team@...roid.com,
	Kaustabh Chakraborty <kauschluss@...root.org>,
	linux-kernel@...r.kernel.org, linux-samsung-soc@...r.kernel.org,
	linux-rtc@...r.kernel.org
Subject: Re: [PATCH 0/3] Samsung mfd/rtc driver alarm IRQ simplification

On Fri, 14 Nov 2025, André Draszik wrote:

> Hi,
> 
> With the attached patches the Samsung s5m RTC driver is simplified a
> little bit with regards to alarm IRQ acquisition.
> 
> The end result is that instead of having a list of IRQ numbers for each
> variant (and a BUILD_BUG_ON() to ensure consistency), the RTC driver
> queries the 'alarm' platform resource from the parent (mfd cell).
> 
> Additionally, we can drop a now-useless field from runtime data,
> reducing memory consumption slightly.
> 
> The attached patches must be applied in-order. I would expect them all
> to go via the MFD tree. Alternatively, they could be applied one after
> another during multiple kernel release cycles, but that seems a
> needless complication.
> 
> Signed-off-by: André Draszik <andre.draszik@...aro.org>
> ---
> André Draszik (3):
>       mfd: sec: add rtc alarm IRQ as platform device resource
>       rtc: s5m: query platform device IRQ resource for alarm IRQ
>       mfd: sec: drop now unused struct sec_pmic_dev::irq_data
> 
>  drivers/mfd/sec-common.c         | 41 ++++++++++++++++++++++++++++++----------
>  drivers/mfd/sec-core.h           |  2 +-
>  drivers/mfd/sec-irq.c            | 10 ++--------
>  drivers/rtc/rtc-s5m.c            | 21 ++++++++------------
>  include/linux/mfd/samsung/core.h |  1 -
>  5 files changed, 42 insertions(+), 33 deletions(-)

This needs to be rebased now, right?

-- 
Lee Jones [李琼斯]