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[34.91.171.30]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-abf795ba15esm367589066b.131.2025.03.04.09.05.34 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 04 Mar 2025 09:05:34 -0800 (PST) From: =?utf-8?q?Andr=C3=A9_Draszik?= Date: Tue, 04 Mar 2025 17:05:34 +0000 Subject: [PATCH v2 06/16] rtc: ftrtc010: drop needless struct ftrtc010_rtc::rtc_dev 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-v2-6-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_dev 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. Reviewed-by: Linus Walleij Signed-off-by: Andr=C3=A9 Draszik --- drivers/rtc/rtc-ftrtc010.c | 17 ++++++++--------- 1 file changed, 8 insertions(+), 9 deletions(-) diff --git a/drivers/rtc/rtc-ftrtc010.c b/drivers/rtc/rtc-ftrtc010.c index cb4a5d101f537e20a685bb022e6f6516b0df8271..02608d3784958e69ec0ecbdb9fc= c8b333b19e7cc 100644 --- a/drivers/rtc/rtc-ftrtc010.c +++ b/drivers/rtc/rtc-ftrtc010.c @@ -28,7 +28,6 @@ MODULE_LICENSE("GPL"); MODULE_ALIAS("platform:" DRV_NAME); =20 struct ftrtc010_rtc { - struct rtc_device *rtc_dev; void __iomem *rtc_base; int rtc_irq; struct clk *pclk; @@ -113,6 +112,7 @@ static int ftrtc010_rtc_probe(struct platform_device *p= dev) struct ftrtc010_rtc *rtc; struct device *dev =3D &pdev->dev; struct resource *res; + struct rtc_device *rtc_dev; int ret; =20 rtc =3D devm_kzalloc(&pdev->dev, sizeof(*rtc), GFP_KERNEL); @@ -160,29 +160,28 @@ static int ftrtc010_rtc_probe(struct platform_device = *pdev) goto err_disable_extclk; } =20 - rtc->rtc_dev =3D devm_rtc_allocate_device(dev); - if (IS_ERR(rtc->rtc_dev)) { - ret =3D PTR_ERR(rtc->rtc_dev); + rtc_dev =3D devm_rtc_allocate_device(dev); + if (IS_ERR(rtc_dev)) { + ret =3D PTR_ERR(rtc_dev); goto err_disable_extclk; } =20 - rtc->rtc_dev->ops =3D &ftrtc010_rtc_ops; + rtc_dev->ops =3D &ftrtc010_rtc_ops; =20 sec =3D readl(rtc->rtc_base + FTRTC010_RTC_SECOND); min =3D readl(rtc->rtc_base + FTRTC010_RTC_MINUTE); hour =3D readl(rtc->rtc_base + FTRTC010_RTC_HOUR); days =3D readl(rtc->rtc_base + FTRTC010_RTC_DAYS); =20 - rtc->rtc_dev->range_min =3D (u64)days * 86400 + hour * 3600 + - min * 60 + sec; - rtc->rtc_dev->range_max =3D U32_MAX + rtc->rtc_dev->range_min; + rtc_dev->range_min =3D (u64)days * 86400 + hour * 3600 + min * 60 + sec; + rtc_dev->range_max =3D U32_MAX + rtc_dev->range_min; =20 ret =3D devm_request_irq(dev, rtc->rtc_irq, ftrtc010_rtc_interrupt, IRQF_SHARED, pdev->name, dev); if (unlikely(ret)) goto err_disable_extclk; =20 - return devm_rtc_register_device(rtc->rtc_dev); + return devm_rtc_register_device(rtc_dev); =20 err_disable_extclk: clk_disable_unprepare(rtc->extclk); --=20 2.48.1.711.g2feabab25a-goog