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From:   David Lechner <dlechner@baylibre.com>
To:     linux-spi@vger.kernel.org, devicetree@vger.kernel.org
Cc:     David Lechner <dlechner@baylibre.com>,
        Mark Brown <broonie@kernel.org>,
        Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Conor Dooley <conor+dt@kernel.org>,
        Michael Hennerich <Michael.Hennerich@analog.com>,
        =?utf-8?q?Nuno_S=C3=A1?= <nuno.sa@analog.com>,
        Lars-Peter Clausen <lars@metafoo.de>,
        linux-kernel@vger.kernel.org
Subject: [PATCH 03/14] spi: axi-spi-engine: simplify driver data allocation
Date:   Fri, 17 Nov 2023 14:12:54 -0600
Message-ID: <20231117-axi-spi-engine-series-1-v1-3-cc59db999b87@baylibre.com>
In-Reply-To: <20231117-axi-spi-engine-series-1-v1-0-cc59db999b87@baylibre.com>
References: <20231117-axi-spi-engine-series-1-v1-0-cc59db999b87@baylibre.com>
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This simplifies the private data allocation in the AXI SPI Engine driver
by making use of the feature built into the spi_alloc_host() function
instead of doing it manually.

Signed-off-by: David Lechner <dlechner@baylibre.com>
---
 drivers/spi/spi-axi-spi-engine.c | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/drivers/spi/spi-axi-spi-engine.c b/drivers/spi/spi-axi-spi-engine.c
index b96e55f59d1a..bdf0aa4ceb1d 100644
--- a/drivers/spi/spi-axi-spi-engine.c
+++ b/drivers/spi/spi-axi-spi-engine.c
@@ -473,15 +473,11 @@ static int spi_engine_probe(struct platform_device *pdev)
 	if (irq < 0)
 		return irq;
 
-	spi_engine = devm_kzalloc(&pdev->dev, sizeof(*spi_engine), GFP_KERNEL);
-	if (!spi_engine)
-		return -ENOMEM;
-
-	host = spi_alloc_host(&pdev->dev, 0);
+	host = spi_alloc_host(&pdev->dev, sizeof(*spi_engine));
 	if (!host)
 		return -ENOMEM;
 
-	spi_controller_set_devdata(host, spi_engine);
+	spi_engine = spi_controller_get_devdata(host);
 
 	spin_lock_init(&spi_engine->lock);
 

-- 
2.42.0