linux-kernel - [PATCH V1] spi: tegra114: set master cleanup and also invoke it on probe error

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Date:   Wed, 22 May 2019 18:29:04 -0700
From:   Sowjanya Komatineni <skomatineni@...dia.com>
To:     <thierry.reding@...il.com>, <jonathanh@...dia.com>,
        <ldewangan@...dia.com>, <broonie@...nel.org>,
        <natechancellor@...il.com>
CC:     <linux-tegra@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-spi@...r.kernel.org>,
        Sowjanya Komatineni <skomatineni@...dia.com>
Subject: [PATCH V1] spi: tegra114: set master cleanup and also invoke it on probe error

This patch sets master cleanup and also invokes tegra spi clean on
tegra spi probe failure to release tegra spi client data.

Signed-off-by: Sowjanya Komatineni <skomatineni@...dia.com>
---
 drivers/spi/spi-tegra114.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/spi/spi-tegra114.c b/drivers/spi/spi-tegra114.c
index 253a7f182fc9..15f9368fc0f8 100644
--- a/drivers/spi/spi-tegra114.c
+++ b/drivers/spi/spi-tegra114.c
@@ -966,6 +966,8 @@ static int tegra_spi_setup(struct spi_device *spi)
 	ret = pm_runtime_get_sync(tspi->dev);
 	if (ret < 0) {
 		dev_err(tspi->dev, "pm runtime failed, e = %d\n", ret);
+		if (cdata)
+			tegra_spi_cleanup(spi);
 		return ret;
 	}
 
@@ -1331,6 +1333,7 @@ static int tegra_spi_probe(struct platform_device *pdev)
 			    SPI_TX_DUAL | SPI_RX_DUAL | SPI_3WIRE;
 	master->bits_per_word_mask = SPI_BPW_RANGE_MASK(4, 32);
 	master->setup = tegra_spi_setup;
+	master->cleanup = tegra_spi_cleanup;
 	master->transfer_one_message = tegra_spi_transfer_one_message;
 	master->set_cs_timing = tegra_spi_set_hw_cs_timing;
 	master->num_chipselect = MAX_CHIP_SELECT;
-- 
2.7.4