spi: axi-spi-engine: simplify driver data allocation

[ Upstream commit 9e4ce5220eedea2cc440f3961dec1b5122e815b2 ]

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>
Link: https://lore.kernel.org/r/20231117-axi-spi-engine-series-1-v1-3-cc59db999b87@baylibre.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Stable-dep-of: 0064db9ce4aa ("spi: axi-spi-engine: fix version format string")
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/spi/spi-axi-spi-engine.c b/drivers/spi/spi-axi-spi-engine.c
index b96e55f59d1a95aa9518852dc2f2fa790a8fcd00..bdf0aa4ceb1df659bc36cc0a27d15e0e1894f4a5 100644 (file)
--- 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);