This simplies error and cleanup code paths.
Cc: Mark Brown <[email protected]>
Cc: [email protected]
Signed-off-by: Laurent Pinchart <[email protected]>
---
drivers/spi/spi-rspi.c | 38 +++++++++++++-------------------------
1 file changed, 13 insertions(+), 25 deletions(-)
diff --git a/drivers/spi/spi-rspi.c b/drivers/spi/spi-rspi.c
index 621be5d..19c65c4 100644
--- a/drivers/spi/spi-rspi.c
+++ b/drivers/spi/spi-rspi.c
@@ -889,9 +889,6 @@ static int rspi_remove(struct platform_device *pdev)
spi_unregister_master(rspi->master);
rspi_release_dma(rspi);
- free_irq(platform_get_irq(pdev, 0), rspi);
- clk_put(rspi->clk);
- iounmap(rspi->addr);
return 0;
}
@@ -913,12 +910,6 @@ static int rspi_probe(struct platform_device *pdev)
dev_err(&pdev->dev, "there is no set_config_register\n");
return -ENODEV;
}
- /* get base addr */
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (unlikely(res == NULL)) {
- dev_err(&pdev->dev, "invalid resource\n");
- return -EINVAL;
- }
irq = platform_get_irq(pdev, 0);
if (irq < 0) {
@@ -936,19 +927,20 @@ static int rspi_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, rspi);
rspi->ops = ops;
rspi->master = master;
- rspi->addr = ioremap(res->start, resource_size(res));
- if (rspi->addr == NULL) {
- dev_err(&pdev->dev, "ioremap error.\n");
- ret = -ENOMEM;
+
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ rspi->addr = devm_ioremap_resource(&pdev->dev, res);
+ if (IS_ERR(rspi->addr)) {
+ ret = PTR_ERR(rspi->addr);
goto error1;
}
snprintf(clk_name, sizeof(clk_name), "%s%d", id_entry->name, pdev->id);
- rspi->clk = clk_get(&pdev->dev, clk_name);
+ rspi->clk = devm_clk_get(&pdev->dev, clk_name);
if (IS_ERR(rspi->clk)) {
dev_err(&pdev->dev, "cannot get clock\n");
ret = PTR_ERR(rspi->clk);
- goto error2;
+ goto error1;
}
clk_enable(rspi->clk);
@@ -966,36 +958,32 @@ static int rspi_probe(struct platform_device *pdev)
master->transfer = rspi_transfer;
master->cleanup = rspi_cleanup;
- ret = request_irq(irq, rspi_irq, 0, dev_name(&pdev->dev), rspi);
+ ret = devm_request_irq(&pdev->dev, irq, rspi_irq, 0,
+ dev_name(&pdev->dev), rspi);
if (ret < 0) {
dev_err(&pdev->dev, "request_irq error\n");
- goto error3;
+ goto error1;
}
rspi->irq = irq;
ret = rspi_request_dma(rspi, pdev);
if (ret < 0) {
dev_err(&pdev->dev, "rspi_request_dma failed.\n");
- goto error4;
+ goto error2;
}
ret = spi_register_master(master);
if (ret < 0) {
dev_err(&pdev->dev, "spi_register_master error.\n");
- goto error4;
+ goto error2;
}
dev_info(&pdev->dev, "probed\n");
return 0;
-error4:
- rspi_release_dma(rspi);
- free_irq(irq, rspi);
-error3:
- clk_put(rspi->clk);
error2:
- iounmap(rspi->addr);
+ rspi_release_dma(rspi);
error1:
spi_master_put(master);
--
1.8.3.2
--
To unsubscribe from this list: send the line "unsubscribe linux-spi" in
the body of a message to [email protected]
More majordomo info at http://vger.kernel.org/majordomo-info.html
