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Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1toTbj-0000000EvjK-26ZM; Sat, 01 Mar 2025 20:38:47 +0000 Received: from relay3-d.mail.gandi.net ([217.70.183.195]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1toTa9-0000000Evb7-3uiR; Sat, 01 Mar 2025 20:37:12 +0000 Received: by mail.gandi.net (Postfix) with ESMTPSA id C9EDE20453; Sat, 1 Mar 2025 20:36:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1740861424; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=3Acc0tGYBakmOPZLGuJmU2rnhFl+Tc281npjtzbe/74=; b=j0W8ax/uRquO/giWNgJhf4H4p4dxfIxzFW6MO4OZsXaQhJo+e7YlrfmfwuwO8z8CykjSQD 0U7Afy7/Ba2WJ6ueUqpasO3bhRsmWK8p1CSKWQJLxASlHZTVaGb200Xak05pxb0hXPgbBk sT9SJIRG4qLHlanaDO5mFlJjeg4NV4xNVcAt6A5IcLajDdg4v3tw1PgIh8R9k5YlEQBuhG dfXSaVruN9RLuzUSlpcs4F7JA1n4iAXoEgtPn0uxly/CwiwCzgGYpZ/+vFDZKpgSjsOMi0 +ATKulcM1AzPZZmNwSQMXP1nZ5IL536rUVUy1TzC5EytwvQM/AGNSzQr14PTEA== Date: Sat, 1 Mar 2025 21:36:58 +0100 From: Alexandre Belloni To: =?iso-8859-1?Q?Andr=E9?= Draszik Cc: Chanwoo Choi , Krzysztof Kozlowski , Joel Stanley , Andrew Jeffery , Hans Ulli Kroll , Linus Walleij , Neil Armstrong , Kevin Hilman , Jerome Brunet , Martin Blumenstingl , =?iso-8859-1?Q?T=F3th_J=E1nos?= , Dianlong Li , linux-kernel@vger.kernel.org, linux-rtc@vger.kernel.org, linux-samsung-soc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-aspeed@lists.ozlabs.org, linux-amlogic@lists.infradead.org Subject: Re: [PATCH 00/18] a few rtc driver cleanups Message-ID: <20250301203658839d5482@mail.local> References: <20250228-rtc-cleanups-v1-0-b44cec078481@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20250228-rtc-cleanups-v1-0-b44cec078481@linaro.org> X-GND-State: clean X-GND-Score: -100 X-GND-Cause: gggruggvucftvghtrhhoucdtuddrgeefvddrtddtgdelgedvkecutefuodetggdotefrodftvfcurfhrohhfihhlvgemucfitefpfffkpdcuggftfghnshhusghstghrihgsvgenuceurghilhhouhhtmecufedtudenucesvcftvggtihhpihgvnhhtshculddquddttddmnecujfgurhepfffhvfevuffkfhggtggugfgjsehtkeertddttddunecuhfhrohhmpeetlhgvgigrnhgurhgvuceuvghllhhonhhiuceorghlvgigrghnughrvgdrsggvlhhlohhnihessghoohhtlhhinhdrtghomheqnecuggftrfgrthhtvghrnhepveduvefhvdehlefgieelfeetudeugfehgfeugfekleejueefueettdffueetiedvnecuffhomhgrihhnpegsohhothhlihhnrdgtohhmnecukfhppeejjedrudehtddrvdegiedrvdduheenucevlhhushhtvghrufhiiigvpedtnecurfgrrhgrmhepihhnvghtpeejjedrudehtddrvdegiedrvdduhedphhgvlhhopehlohgtrghlhhhoshhtpdhmrghilhhfrhhomheprghlvgigrghnughrvgdrsggvlhhlohhnihessghoohhtlhhinhdrtghomhdpnhgspghrtghpthhtohepudelpdhrtghpthhtoheprghnughrvgdrughrrghsiihikheslhhinhgrrhhordhorhhgpdhrtghpthhtoheptgiftddtrdgthhhoihesshgrmhhsuhhnghdrtghomhdprhgtphhtthhopehkrhiikheskhgvrhhnvghlrdhorhhgpdhrtghpthhtohepjhhovghlsehjmhhsrdhiugdrrghupdhrtghpthhtoheprghnu ghrvgifsegtohguvggtohhnshhtrhhutghtrdgtohhmrdgruhdprhgtphhtthhopehulhhlihdrkhhrohhllhesghhoohhglhgvmhgrihhlrdgtohhmpdhrtghpthhtoheplhhinhhushdrfigrlhhlvghijheslhhinhgrrhhordhorhhgpdhrtghpthhtohepnhgvihhlrdgrrhhmshhtrhhonhhgsehlihhnrghrohdrohhrgh X-GND-Sasl: alexandre.belloni@bootlin.com X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250301_123710_569256_58E05EA1 X-CRM114-Status: GOOD ( 17.54 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 28/02/2025 14:07:13+0000, André Draszik wrote: > Hi, > > While looking at RTC, I noticed that various drivers are keeping > pointers to data that they're not using themselves throughout their > lifetime. > > So I took the liberty to drop these pointers and this series is the > result. > > The last two patches also convert two drivers to using dev_err_probe(), > as I looked slightly closer into those two. They don't exactly fit the > general subject of removal of unneeded pointers, but I wanted to share > them anyway, since they're ready. > > All of this was compile-tested only. > > Cheers, > Andre' > > Signed-off-by: André Draszik > --- > André Draszik (18): > rtc: max77686: drop needless struct max77686_rtc_info::rtc member > rtc: s5m: drop needless struct s5m_rtc_info::i2c member > rtc: aspeed: drop needless struct aspeed_rtc::rtc_dev member > rtc: ds2404: drop needless struct ds2404::rtc member > rtc: ep93xx: drop needless struct ep93xx_rtc::rtc member > rtc: ftrtc010: drop needless struct ftrtc010_rtc::rtc_dev member > rtc: m48t86: drop needless struct m48t86_rtc_info::rtc member > rtc: meson: drop needless struct meson_rtc::rtc member > rtc: meson-vrtc: drop needless struct meson_vrtc_data::rtc member > rtc: pl030: drop needless struct pl030_rtc::rtc member > rtc: rx8581: drop needless struct rx8581::rtc member > rtc: s35390a: drop needless struct s35390a::rtc member > rtc: sd2405al: drop needless struct sd2405al::rtc member > rtc: sd3078: drop needless struct sd3078::rtc member My main concern with this is that as soon as we introduce irq support, we are going to need the rtc pointer back in the struct. But I guess that most of them are old enough to say that nobody is interested in irq support. > rtc: rx8581: drop needless struct rx8581 > rtc: sd3078: drop needless struct sd3078 I guess you could squash those two with the previous ones touching the respective drivers because you are the one removing the last remaining struct member. > rtc: max77686: use dev_err_probe() where appropriate > rtc: s5m: convert to dev_err_probe() where appropriate > > drivers/rtc/rtc-aspeed.c | 16 ++++----- > drivers/rtc/rtc-ds2404.c | 14 ++++---- > drivers/rtc/rtc-ep93xx.c | 16 ++++----- > drivers/rtc/rtc-ftrtc010.c | 17 +++++---- > drivers/rtc/rtc-m48t86.c | 14 ++++---- > drivers/rtc/rtc-max77686.c | 37 +++++++++---------- > drivers/rtc/rtc-meson-vrtc.c | 12 +++---- > drivers/rtc/rtc-meson.c | 16 ++++----- > drivers/rtc/rtc-pl030.c | 14 ++++---- > drivers/rtc/rtc-rx8581.c | 85 +++++++++++++++++++------------------------- > drivers/rtc/rtc-s35390a.c | 22 ++++++------ > drivers/rtc/rtc-s5m.c | 58 +++++++++++++----------------- > drivers/rtc/rtc-sd2405al.c | 16 ++++----- > drivers/rtc/rtc-sd3078.c | 71 +++++++++++++++--------------------- > 14 files changed, 183 insertions(+), 225 deletions(-) > --- > base-commit: 0226d0ce98a477937ed295fb7df4cc30b46fc304 > change-id: 20250228-rtc-cleanups-12c0b5123ea4 > > Best regards, > -- > André Draszik > -- Alexandre Belloni, co-owner and COO, Bootlin Embedded Linux and Kernel engineering https://bootlin.com