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[34.91.171.30]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-5e4c3fb51f9sm2550839a12.55.2025.02.28.06.07.25 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 28 Feb 2025 06:07:25 -0800 (PST) From: =?utf-8?q?Andr=C3=A9_Draszik?= Date: Fri, 28 Feb 2025 14:07:19 +0000 Subject: [PATCH 06/18] rtc: ftrtc010: drop needless struct ftrtc010_rtc::rtc_dev member MIME-Version: 1.0 Message-Id: <20250228-rtc-cleanups-v1-6-b44cec078481@linaro.org> References: <20250228-rtc-cleanups-v1-0-b44cec078481@linaro.org> In-Reply-To: <20250228-rtc-cleanups-v1-0-b44cec078481@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?b?VMOz?= =?utf-8?b?dGggSsOhbm9z?= , Dianlong Li 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, =?utf-8?q?Andr=C3=A9_Draszik?= X-Mailer: b4 0.14.2 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250228_060727_318473_8283F34D X-CRM114-Status: GOOD ( 14.12 ) 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 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. Signed-off-by: André Draszik Reviewed-by: Linus Walleij --- 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..02608d3784958e69ec0ecbdb9fcc8b333b19e7cc 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); 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 *pdev) struct ftrtc010_rtc *rtc; struct device *dev = &pdev->dev; struct resource *res; + struct rtc_device *rtc_dev; int ret; rtc = 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; } - rtc->rtc_dev = devm_rtc_allocate_device(dev); - if (IS_ERR(rtc->rtc_dev)) { - ret = PTR_ERR(rtc->rtc_dev); + rtc_dev = devm_rtc_allocate_device(dev); + if (IS_ERR(rtc_dev)) { + ret = PTR_ERR(rtc_dev); goto err_disable_extclk; } - rtc->rtc_dev->ops = &ftrtc010_rtc_ops; + rtc_dev->ops = &ftrtc010_rtc_ops; sec = readl(rtc->rtc_base + FTRTC010_RTC_SECOND); min = readl(rtc->rtc_base + FTRTC010_RTC_MINUTE); hour = readl(rtc->rtc_base + FTRTC010_RTC_HOUR); days = readl(rtc->rtc_base + FTRTC010_RTC_DAYS); - rtc->rtc_dev->range_min = (u64)days * 86400 + hour * 3600 + - min * 60 + sec; - rtc->rtc_dev->range_max = U32_MAX + rtc->rtc_dev->range_min; + rtc_dev->range_min = (u64)days * 86400 + hour * 3600 + min * 60 + sec; + rtc_dev->range_max = U32_MAX + rtc_dev->range_min; ret = devm_request_irq(dev, rtc->rtc_irq, ftrtc010_rtc_interrupt, IRQF_SHARED, pdev->name, dev); if (unlikely(ret)) goto err_disable_extclk; - return devm_rtc_register_device(rtc->rtc_dev); + return devm_rtc_register_device(rtc_dev); err_disable_extclk: clk_disable_unprepare(rtc->extclk);