[PATCH 11/19] spi: fsl: switch to managed controller allocation

[Johan Hovold <johan@kernel.org>]

Switch to device managed controller allocation to simplify error
handling and to avoid having to take another reference during
deregistration.

Signed-off-by: Johan Hovold <johan@kernel.org>
---
 drivers/spi/spi-fsl-spi.c | 14 ++------------
 1 file changed, 2 insertions(+), 12 deletions(-)

diff --git a/drivers/spi/spi-fsl-spi.c b/drivers/spi/spi-fsl-spi.c
index 1252c41c206f..e45816ef7b65 100644
--- a/drivers/spi/spi-fsl-spi.c
+++ b/drivers/spi/spi-fsl-spi.c
@@ -535,7 +535,7 @@ static struct spi_controller *fsl_spi_probe(struct device *dev,
 	u32 regval;
 	int ret = 0;
 
-	host = spi_alloc_host(dev, sizeof(struct mpc8xxx_spi));
+	host = devm_spi_alloc_host(dev, sizeof(struct mpc8xxx_spi));
 	if (host == NULL) {
 		ret = -ENOMEM;
 		goto err;
@@ -559,7 +559,7 @@ static struct spi_controller *fsl_spi_probe(struct device *dev,
 
 	ret = fsl_spi_cpm_init(mpc8xxx_spi);
 	if (ret)
-		goto err_cpm_init;
+		goto err;
 
 	mpc8xxx_spi->reg_base = devm_ioremap_resource(dev, mem);
 	if (IS_ERR(mpc8xxx_spi->reg_base)) {
@@ -625,8 +625,6 @@ static struct spi_controller *fsl_spi_probe(struct device *dev,
 
 err_probe:
 	fsl_spi_cpm_free(mpc8xxx_spi);
-err_cpm_init:
-	spi_controller_put(host);
 err:
 	return ERR_PTR(ret);
 }
@@ -705,13 +703,9 @@ static void of_fsl_spi_remove(struct platform_device *ofdev)
 	struct spi_controller *host = platform_get_drvdata(ofdev);
 	struct mpc8xxx_spi *mpc8xxx_spi = spi_controller_get_devdata(host);
 
-	spi_controller_get(host);
-
 	spi_unregister_controller(host);
 
 	fsl_spi_cpm_free(mpc8xxx_spi);
-
-	spi_controller_put(host);
 }
 
 static struct platform_driver of_fsl_spi_driver = {
@@ -757,13 +751,9 @@ static void plat_mpc8xxx_spi_remove(struct platform_device *pdev)
 	struct spi_controller *host = platform_get_drvdata(pdev);
 	struct mpc8xxx_spi *mpc8xxx_spi = spi_controller_get_devdata(host);
 
-	spi_controller_get(host);
-
 	spi_unregister_controller(host);
 
 	fsl_spi_cpm_free(mpc8xxx_spi);
-
-	spi_controller_put(host);
 }
 
 MODULE_ALIAS("platform:mpc8xxx_spi");
-- 
2.53.0