linux-kernel - [PATCH v5 02/25] PM / devfreq: rockchip-dfi: Embed desc into private data struct

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Date:   Wed, 24 May 2023 10:31:30 +0200
From:   Sascha Hauer <s.hauer@...gutronix.de>
To:     linux-rockchip@...ts.infradead.org
Cc:     linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-pm@...r.kernel.org, Heiko Stuebner <heiko@...ech.de>,
        Kyungmin Park <kyungmin.park@...sung.com>,
        MyungJoo Ham <myungjoo.ham@...sung.com>,
        Will Deacon <will@...nel.org>,
        Mark Rutland <mark.rutland@....com>, kernel@...gutronix.de,
        Michael Riesch <michael.riesch@...fvision.net>,
        Robin Murphy <robin.murphy@....com>,
        Vincent Legoll <vincent.legoll@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>, devicetree@...r.kernel.org,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Jonathan Cameron <Jonathan.Cameron@...wei.com>
Subject: [PATCH v5 02/25] PM / devfreq: rockchip-dfi: Embed desc into private data struct

No need for an extra allocation, just embed the struct
devfreq_event_desc into the private data struct.

Signed-off-by: Sascha Hauer <s.hauer@...gutronix.de>
Reviewed-by: Heiko Stuebner <heiko@...ech.de>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@...wei.com>
---
 drivers/devfreq/event/rockchip-dfi.c | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/drivers/devfreq/event/rockchip-dfi.c b/drivers/devfreq/event/rockchip-dfi.c
index 74893c06aa087..467f9f42d38f7 100644
--- a/drivers/devfreq/event/rockchip-dfi.c
+++ b/drivers/devfreq/event/rockchip-dfi.c
@@ -49,7 +49,7 @@ struct dmc_usage {
  */
 struct rockchip_dfi {
 	struct devfreq_event_dev *edev;
-	struct devfreq_event_desc *desc;
+	struct devfreq_event_desc desc;
 	struct dmc_usage ch_usage[RK3399_DMC_NUM_CH];
 	struct device *dev;
 	void __iomem *regs;
@@ -204,14 +204,10 @@ static int rockchip_dfi_probe(struct platform_device *pdev)
 
 	data->dev = dev;
 
-	desc = devm_kzalloc(dev, sizeof(*desc), GFP_KERNEL);
-	if (!desc)
-		return -ENOMEM;
-
+	desc = &data->desc;
 	desc->ops = &rockchip_dfi_ops;
 	desc->driver_data = data;
 	desc->name = np->name;
-	data->desc = desc;
 
 	data->edev = devm_devfreq_event_add_edev(&pdev->dev, desc);
 	if (IS_ERR(data->edev)) {
-- 
2.39.2