Pass on the correct error message from platform_get_irq()
instead of hard coding it to "EINVAL".
Also change label from "err" to "ret" for better
readability and update the same in error path.
Signed-off-by: Patil, Rachna <[email protected]>
---
drivers/mfd/ti_am335x_tscadc.c | 25 +++++++++++--------------
1 files changed, 11 insertions(+), 14 deletions(-)
diff --git a/drivers/mfd/ti_am335x_tscadc.c b/drivers/mfd/ti_am335x_tscadc.c
index e947dd8..8ca3bf0 100644
--- a/drivers/mfd/ti_am335x_tscadc.c
+++ b/drivers/mfd/ti_am335x_tscadc.c
@@ -65,7 +65,6 @@ static int __devinit ti_tscadc_probe(struct platform_device *pdev)
struct clk *clk;
struct mfd_tscadc_board *pdata = pdev->dev.platform_data;
struct mfd_cell *cell;
- int irq;
int err, ctrl;
int clk_value, clock_rate;
int tsc_wires, adc_channels = 0, total_channels;
@@ -92,12 +91,6 @@ static int __devinit ti_tscadc_probe(struct platform_device *pdev)
return -EINVAL;
}
- irq = platform_get_irq(pdev, 0);
- if (irq < 0) {
- dev_err(&pdev->dev, "no irq ID is specified.\n");
- return -EINVAL;
- }
-
/* Allocate memory for device */
tscadc = devm_kzalloc(&pdev->dev,
sizeof(struct ti_tscadc_dev), GFP_KERNEL);
@@ -106,22 +99,26 @@ static int __devinit ti_tscadc_probe(struct platform_device *pdev)
return -ENOMEM;
}
tscadc->dev = &pdev->dev;
- tscadc->irq = irq;
+
+ err = platform_get_irq(pdev, 0);
+ if (err < 0) {
+ dev_err(&pdev->dev, "no irq ID is specified.\n");
+ goto ret;
+ } else
+ tscadc->irq = err;
res = devm_request_mem_region(&pdev->dev,
res->start, resource_size(res), pdev->name);
if (!res) {
dev_err(&pdev->dev, "failed to reserve registers.\n");
- err = -EBUSY;
- goto err;
+ return -EBUSY;
}
tscadc->tscadc_base = devm_ioremap(&pdev->dev,
res->start, resource_size(res));
if (!tscadc->tscadc_base) {
dev_err(&pdev->dev, "failed to map registers.\n");
- err = -ENOMEM;
- goto err;
+ return -ENOMEM;
}
tscadc->regmap_tscadc = devm_regmap_init_mmio(&pdev->dev,
@@ -129,7 +126,7 @@ static int __devinit ti_tscadc_probe(struct platform_device *pdev)
if (IS_ERR(tscadc->regmap_tscadc)) {
dev_err(&pdev->dev, "regmap init failed\n");
err = PTR_ERR(tscadc->regmap_tscadc);
- goto err;
+ goto ret;
}
pm_runtime_enable(&pdev->dev);
@@ -201,7 +198,7 @@ static int __devinit ti_tscadc_probe(struct platform_device *pdev)
err_disable_clk:
pm_runtime_put_sync(&pdev->dev);
pm_runtime_disable(&pdev->dev);
-err:
+ret:
return err;
}
--
1.7.0.4