linux-kernel - [PATCH v2 3/4] leds: lp5860: save count of multi

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Message-Id: <20250514-v6-14-topic-ti-lp5860-v2-3-72ecc8fa4ad7@pengutronix.de>
Date: Wed, 14 May 2025 12:36:30 +0200
From: Steffen Trumtrar <s.trumtrar@...gutronix.de>
To: Pavel Machek <pavel@....cz>, Lee Jones <lee@...nel.org>, 
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, 
 Steffen Trumtrar <kernel@...gutronix.de>, Pavel Machek <pavel@...nel.org>
Cc: linux-leds@...r.kernel.org, devicetree@...r.kernel.org, 
 linux-kernel@...r.kernel.org, kernel@...gutronix.de, 
 Steffen Trumtrar <s.trumtrar@...gutronix.de>
Subject: [PATCH v2 3/4] leds: lp5860: save count of multi_leds

Save the count of multi_leds child nodes for later use.
As the leds are added to a flex array, the size needs to be saved at
runtime.

Signed-off-by: Steffen Trumtrar <s.trumtrar@...gutronix.de>
---
 drivers/leds/leds-lp5860-spi.c | 2 ++
 drivers/leds/leds-lp5860.h     | 1 +
 2 files changed, 3 insertions(+)

diff --git a/drivers/leds/leds-lp5860-spi.c b/drivers/leds/leds-lp5860-spi.c
index 751cc4184037c3c0e14d3493d0a43f0885786523..eee41ee8a8c226db6a68413998642624fabffe7c 100644
--- a/drivers/leds/leds-lp5860-spi.c
+++ b/drivers/leds/leds-lp5860-spi.c
@@ -50,6 +50,8 @@ static int lp5860_probe(struct spi_device *spi)
 	if (!lp5860)
 		return -ENOMEM;
 
+	lp5860->leds_size = multi_leds;
+
 	spi_set_drvdata(spi, lp5860);
 
 	spi->mode = SPI_MODE_0;
diff --git a/drivers/leds/leds-lp5860.h b/drivers/leds/leds-lp5860.h
index b4255fb48372814c7fda86ada96f504c2036f534..3b8342a832bc75afdf2318fd4ee1ee9ce105cbe3 100644
--- a/drivers/leds/leds-lp5860.h
+++ b/drivers/leds/leds-lp5860.h
@@ -305,6 +305,7 @@ struct lp5860_led {
 struct lp5860 {
 	struct device *dev;
 	struct regmap *regmap;
+	unsigned int leds_size;
 
 	DECLARE_FLEX_ARRAY(struct lp5860_led, leds);
 };

-- 
2.47.1