diff options
| author | Patil, Rachna <rachna@ti.com> | 2012-11-06 13:39:03 +0530 |
|---|---|---|
| committer | Samuel Ortiz <sameo@linux.intel.com> | 2012-11-26 00:36:21 +0100 |
| commit | 3c39c9c6e9bda4d234bd24aaf34606479f581f4a (patch) | |
| tree | 7b52e0b68d455da61fe4747d945b9a4a17d5d525 /drivers/mfd/ti_am335x_tscadc.c | |
| parent | 5e393a2227ba97408ffb98d62cf362dfe2a59baa (diff) | |
| download | lwn-3c39c9c6e9bda4d234bd24aaf34606479f581f4a.tar.gz lwn-3c39c9c6e9bda4d234bd24aaf34606479f581f4a.zip | |
MFD: ti_am335x_tscadc: Pass correct error message
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 <rachna@ti.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Diffstat (limited to 'drivers/mfd/ti_am335x_tscadc.c')
| -rw-r--r-- | 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 e947dd8bbcc3..8ca3bf023fb2 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; } |