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path: root/drivers/spi/spi-bcm2835aux.c
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Diffstat (limited to 'drivers/spi/spi-bcm2835aux.c')
-rw-r--r--drivers/spi/spi-bcm2835aux.c21
1 files changed, 9 insertions, 12 deletions
diff --git a/drivers/spi/spi-bcm2835aux.c b/drivers/spi/spi-bcm2835aux.c
index e075712c501e..88772efda830 100644
--- a/drivers/spi/spi-bcm2835aux.c
+++ b/drivers/spi/spi-bcm2835aux.c
@@ -407,7 +407,7 @@ static int bcm2835aux_spi_probe(struct platform_device *pdev)
unsigned long clk_hz;
int err;
- master = spi_alloc_master(&pdev->dev, sizeof(*bs));
+ master = devm_spi_alloc_master(&pdev->dev, sizeof(*bs));
if (!master) {
dev_err(&pdev->dev, "spi_alloc_master() failed\n");
return -ENOMEM;
@@ -439,30 +439,27 @@ static int bcm2835aux_spi_probe(struct platform_device *pdev)
/* the main area */
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
bs->regs = devm_ioremap_resource(&pdev->dev, res);
- if (IS_ERR(bs->regs)) {
- err = PTR_ERR(bs->regs);
- goto out_master_put;
- }
+ if (IS_ERR(bs->regs))
+ return PTR_ERR(bs->regs);
bs->clk = devm_clk_get(&pdev->dev, NULL);
if ((!bs->clk) || (IS_ERR(bs->clk))) {
err = PTR_ERR(bs->clk);
dev_err(&pdev->dev, "could not get clk: %d\n", err);
- goto out_master_put;
+ return err;
}
bs->irq = platform_get_irq(pdev, 0);
if (bs->irq <= 0) {
dev_err(&pdev->dev, "could not get IRQ: %d\n", bs->irq);
- err = bs->irq ? bs->irq : -ENODEV;
- goto out_master_put;
+ return bs->irq ? bs->irq : -ENODEV;
}
/* this also enables the HW block */
err = clk_prepare_enable(bs->clk);
if (err) {
dev_err(&pdev->dev, "could not prepare clock: %d\n", err);
- goto out_master_put;
+ return err;
}
/* just checking if the clock returns a sane value */
@@ -485,7 +482,7 @@ static int bcm2835aux_spi_probe(struct platform_device *pdev)
goto out_clk_disable;
}
- err = devm_spi_register_master(&pdev->dev, master);
+ err = spi_register_master(master);
if (err) {
dev_err(&pdev->dev, "could not register SPI master: %d\n", err);
goto out_clk_disable;
@@ -495,8 +492,6 @@ static int bcm2835aux_spi_probe(struct platform_device *pdev)
out_clk_disable:
clk_disable_unprepare(bs->clk);
-out_master_put:
- spi_master_put(master);
return err;
}
@@ -505,6 +500,8 @@ static int bcm2835aux_spi_remove(struct platform_device *pdev)
struct spi_master *master = platform_get_drvdata(pdev);
struct bcm2835aux_spi *bs = spi_master_get_devdata(master);
+ spi_unregister_master(master);
+
bcm2835aux_spi_reset_hw(bs);
/* disable the HW block by releasing the clock */