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From: "André Draszik" <andre.draszik@linaro.org>
To: "Chanwoo Choi" <cw00.choi@samsung.com>,
	"Krzysztof Kozlowski" <krzk@kernel.org>,
	"Alexandre Belloni" <alexandre.belloni@bootlin.com>,
	"Joel Stanley" <joel@jms.id.au>,
	"Andrew Jeffery" <andrew@codeconstruct.com.au>,
	"Hans Ulli Kroll" <ulli.kroll@googlemail.com>,
	"Linus Walleij" <linus.walleij@linaro.org>,
	"Neil Armstrong" <neil.armstrong@linaro.org>,
	"Kevin Hilman" <khilman@baylibre.com>,
	"Jerome Brunet" <jbrunet@baylibre.com>,
	"Martin Blumenstingl" <martin.blumenstingl@googlemail.com>,
	"Tóth János" <gomba007@gmail.com>,
	"Dianlong Li" <long17.cool@163.com>
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,
	"André Draszik" <andre.draszik@linaro.org>
Subject: [PATCH 09/18] rtc: meson-vrtc: drop needless struct meson_vrtc_data::rtc member
Date: Fri, 28 Feb 2025 14:07:22 +0000	[thread overview]
Message-ID: <20250228-rtc-cleanups-v1-9-b44cec078481@linaro.org> (raw)
In-Reply-To: <20250228-rtc-cleanups-v1-0-b44cec078481@linaro.org>

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: André Draszik <andre.draszik@linaro.org>
---
 drivers/rtc/rtc-meson-vrtc.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/rtc/rtc-meson-vrtc.c b/drivers/rtc/rtc-meson-vrtc.c
index 5849729f7d01d7ec7868ff3bbdc5ed599aaa8238..7d38258cbe376e5a1b2af6250cb6d04c313175fb 100644
--- a/drivers/rtc/rtc-meson-vrtc.c
+++ b/drivers/rtc/rtc-meson-vrtc.c
@@ -13,7 +13,6 @@
 
 struct meson_vrtc_data {
 	void __iomem *io_alarm;
-	struct rtc_device *rtc;
 	unsigned long alarm_time;
 	bool enabled;
 };
@@ -65,6 +64,7 @@ static const struct rtc_class_ops meson_vrtc_ops = {
 static int meson_vrtc_probe(struct platform_device *pdev)
 {
 	struct meson_vrtc_data *vrtc;
+	struct rtc_device *rtc;
 
 	vrtc = devm_kzalloc(&pdev->dev, sizeof(*vrtc), GFP_KERNEL);
 	if (!vrtc)
@@ -78,12 +78,12 @@ static int meson_vrtc_probe(struct platform_device *pdev)
 
 	platform_set_drvdata(pdev, vrtc);
 
-	vrtc->rtc = devm_rtc_allocate_device(&pdev->dev);
-	if (IS_ERR(vrtc->rtc))
-		return PTR_ERR(vrtc->rtc);
+	rtc = devm_rtc_allocate_device(&pdev->dev);
+	if (IS_ERR(rtc))
+		return PTR_ERR(rtc);
 
-	vrtc->rtc->ops = &meson_vrtc_ops;
-	return devm_rtc_register_device(vrtc->rtc);
+	rtc->ops = &meson_vrtc_ops;
+	return devm_rtc_register_device(rtc);
 }
 
 static int __maybe_unused meson_vrtc_suspend(struct device *dev)

-- 
2.48.1.711.g2feabab25a-goog


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  parent reply	other threads:[~2025-02-28 14:22 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-02-28 14:07 [PATCH 00/18] a few rtc driver cleanups André Draszik
2025-02-28 14:07 ` [PATCH 01/18] rtc: max77686: drop needless struct max77686_rtc_info::rtc member André Draszik
2025-02-28 17:30   ` Krzysztof Kozlowski
2025-02-28 14:07 ` [PATCH 02/18] rtc: s5m: drop needless struct s5m_rtc_info::i2c member André Draszik
2025-02-28 17:31   ` Krzysztof Kozlowski
2025-03-01 17:47   ` kernel test robot
2025-02-28 14:07 ` [PATCH 03/18] rtc: aspeed: drop needless struct aspeed_rtc::rtc_dev member André Draszik
2025-03-18  0:58   ` Andrew Jeffery
2025-02-28 14:07 ` [PATCH 04/18] rtc: ds2404: drop needless struct ds2404::rtc member André Draszik
2025-02-28 14:07 ` [PATCH 05/18] rtc: ep93xx: drop needless struct ep93xx_rtc::rtc member André Draszik
2025-02-28 14:07 ` [PATCH 06/18] rtc: ftrtc010: drop needless struct ftrtc010_rtc::rtc_dev member André Draszik
2025-03-01 18:12   ` Linus Walleij
2025-02-28 14:07 ` [PATCH 07/18] rtc: m48t86: drop needless struct m48t86_rtc_info::rtc member André Draszik
2025-02-28 14:07 ` [PATCH 08/18] rtc: meson: drop needless struct meson_rtc::rtc member André Draszik
2025-02-28 14:07 ` André Draszik [this message]
2025-02-28 14:07 ` [PATCH 10/18] rtc: pl030: drop needless struct pl030_rtc::rtc member André Draszik
2025-03-01 18:11   ` Linus Walleij
2025-02-28 14:07 ` [PATCH 11/18] rtc: rx8581: drop needless struct rx8581::rtc member André Draszik
2025-02-28 14:07 ` [PATCH 12/18] rtc: s35390a: drop needless struct s35390a::rtc member André Draszik
2025-02-28 14:07 ` [PATCH 13/18] rtc: sd2405al: drop needless struct sd2405al::rtc member André Draszik
2025-03-03 14:04   ` Tóth János
2025-02-28 14:07 ` [PATCH 14/18] rtc: sd3078: drop needless struct sd3078::rtc member André Draszik
2025-02-28 14:07 ` [PATCH 15/18] rtc: rx8581: drop needless struct rx8581 André Draszik
2025-02-28 14:07 ` [PATCH 16/18] rtc: sd3078: drop needless struct sd3078 André Draszik
2025-02-28 14:07 ` [PATCH 17/18] rtc: max77686: use dev_err_probe() where appropriate André Draszik
2025-03-01 13:18   ` Krzysztof Kozlowski
2025-02-28 14:07 ` [PATCH 18/18] rtc: s5m: convert to " André Draszik
2025-03-01 13:19   ` Krzysztof Kozlowski
2025-03-01 20:36 ` [PATCH 00/18] a few rtc driver cleanups Alexandre Belloni
2025-03-03  8:45   ` André Draszik

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