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[34.91.171.30]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-abf795ba15esm367589066b.131.2025.03.04.09.05.35 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 04 Mar 2025 09:05:35 -0800 (PST) From: =?utf-8?q?Andr=C3=A9_Draszik?= Date: Tue, 04 Mar 2025 17:05:35 +0000 Subject: [PATCH v2 07/16] rtc: m48t86: drop needless struct m48t86_rtc_info::rtc member Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250304-rtc-cleanups-v2-7-d4689a71668c@linaro.org> References: <20250304-rtc-cleanups-v2-0-d4689a71668c@linaro.org> In-Reply-To: <20250304-rtc-cleanups-v2-0-d4689a71668c@linaro.org> To: Chanwoo Choi , Krzysztof Kozlowski , Alexandre Belloni , Joel Stanley , Andrew Jeffery , Hans Ulli Kroll , Linus Walleij , Neil Armstrong , Kevin Hilman , Jerome Brunet , Martin Blumenstingl , =?utf-8?q?T=C3=B3th_J=C3=A1nos?= , Dianlong Li , Nathan Chancellor , Nick Desaulniers , Bill Wendling , Justin Stitt Cc: 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, llvm@lists.linux.dev, =?utf-8?q?Andr=C3=A9_Draszik?= X-Mailer: b4 0.14.2 The memory pointed to by the ::rtc member is managed via devres, and no code in this driver uses it past _probe(). We can drop it from the structure and just use a local temporary variable, reducing runtime memory consumption by a few bytes. Signed-off-by: Andr=C3=A9 Draszik --- drivers/rtc/rtc-m48t86.c | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) diff --git a/drivers/rtc/rtc-m48t86.c b/drivers/rtc/rtc-m48t86.c index dd4a62e2d39c73b1c8c3f50a59fd4fffc0b45105..10cd054fe86f9e6be74eb282222= b2751dd91cc7e 100644 --- a/drivers/rtc/rtc-m48t86.c +++ b/drivers/rtc/rtc-m48t86.c @@ -41,7 +41,6 @@ struct m48t86_rtc_info { void __iomem *index_reg; void __iomem *data_reg; - struct rtc_device *rtc; }; =20 static unsigned char m48t86_readb(struct device *dev, unsigned long addr) @@ -219,6 +218,7 @@ static bool m48t86_verify_chip(struct platform_device *= pdev) static int m48t86_rtc_probe(struct platform_device *pdev) { struct m48t86_rtc_info *info; + struct rtc_device *rtc; unsigned char reg; int err; struct nvmem_config m48t86_nvmem_cfg =3D { @@ -250,17 +250,17 @@ static int m48t86_rtc_probe(struct platform_device *p= dev) return -ENODEV; } =20 - info->rtc =3D devm_rtc_allocate_device(&pdev->dev); - if (IS_ERR(info->rtc)) - return PTR_ERR(info->rtc); + rtc =3D devm_rtc_allocate_device(&pdev->dev); + if (IS_ERR(rtc)) + return PTR_ERR(rtc); =20 - info->rtc->ops =3D &m48t86_rtc_ops; + rtc->ops =3D &m48t86_rtc_ops; =20 - err =3D devm_rtc_register_device(info->rtc); + err =3D devm_rtc_register_device(rtc); if (err) return err; =20 - devm_rtc_nvmem_register(info->rtc, &m48t86_nvmem_cfg); + devm_rtc_nvmem_register(rtc, &m48t86_nvmem_cfg); =20 /* read battery status */ reg =3D m48t86_readb(&pdev->dev, M48T86_D); --=20 2.48.1.711.g2feabab25a-goog