linux-kernel - [PATCH 1/2] spi: tegra210-quad: use devm call for cdata memory

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Date:   Thu, 25 Nov 2021 15:25:51 +0530
From:   Krishna Yarlagadda <kyarlagadda@...dia.com>
To:     Thierry Reding <thierry.reding@...il.com>,
        Jonathan Hunter <jonathanh@...dia.com>,
        Sowjanya Komatineni <skomatineni@...dia.com>,
        "Laxman Dewangan" <ldewangan@...dia.com>,
        Mark Brown <broonie@...nel.org>
CC:     Krishna Yarlagadda <kyarlagadda@...dia.com>,
        <linux-tegra@...r.kernel.org>, <linux-spi@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
Subject: [PATCH 1/2] spi: tegra210-quad: use devm call for cdata memory

Use devm alloc call to allocate memory for spi controller data and
remove free calls from cleanup.

Signed-off-by: Krishna Yarlagadda <kyarlagadda@...dia.com>
---
 drivers/spi/spi-tegra210-quad.c | 11 +----------
 1 file changed, 1 insertion(+), 10 deletions(-)

diff --git a/drivers/spi/spi-tegra210-quad.c b/drivers/spi/spi-tegra210-quad.c
index c0f9a75..ce1bdb4 100644
--- a/drivers/spi/spi-tegra210-quad.c
+++ b/drivers/spi/spi-tegra210-quad.c
@@ -877,7 +877,7 @@ static struct tegra_qspi_client_data *tegra_qspi_parse_cdata_dt(struct spi_devic
 	struct tegra_qspi_client_data *cdata;
 	struct device_node *slave_np = spi->dev.of_node;
 
-	cdata = kzalloc(sizeof(*cdata), GFP_KERNEL);
+	cdata = devm_kzalloc(&spi->dev, sizeof(*cdata), GFP_KERNEL);
 	if (!cdata)
 		return NULL;
 
@@ -888,14 +888,6 @@ static struct tegra_qspi_client_data *tegra_qspi_parse_cdata_dt(struct spi_devic
 	return cdata;
 }
 
-static void tegra_qspi_cleanup(struct spi_device *spi)
-{
-	struct tegra_qspi_client_data *cdata = spi->controller_data;
-
-	spi->controller_data = NULL;
-	kfree(cdata);
-}
-
 static int tegra_qspi_setup(struct spi_device *spi)
 {
 	struct tegra_qspi *tqspi = spi_master_get_devdata(spi->master);
@@ -1229,7 +1221,6 @@ static int tegra_qspi_probe(struct platform_device *pdev)
 			    SPI_TX_DUAL | SPI_RX_DUAL | SPI_TX_QUAD | SPI_RX_QUAD;
 	master->bits_per_word_mask = SPI_BPW_MASK(32) | SPI_BPW_MASK(16) | SPI_BPW_MASK(8);
 	master->setup = tegra_qspi_setup;
-	master->cleanup = tegra_qspi_cleanup;
 	master->transfer_one_message = tegra_qspi_transfer_one_message;
 	master->num_chipselect = 1;
 	master->auto_runtime_pm = true;
-- 
2.7.4