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mfd: db8500-prcmu: Provide sane error path values 

Also rid superfluous gotos and label.

Cc: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
This commit is contained in:
Lee Jones 2014-11-03 16:12:26 +00:00
parent 51a7e02bb6
commit 6bdf891a17
1 changed files with 8 additions and 11 deletions
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19
drivers/mfd/db8500-prcmu.c
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@ -3150,27 +3150,27 @@ static int db8500_prcmu_probe(struct platform_device *pdev)
res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "prcmu");
if (!res) {
dev_err(&pdev->dev, "no prcmu memory region provided\n");
return -ENOENT;
return -EINVAL;
}
prcmu_base = devm_ioremap(&pdev->dev, res->start, resource_size(res));
if (!prcmu_base) {
dev_err(&pdev->dev,
"failed to ioremap prcmu register memory\n");
return -ENOENT;
return -ENOMEM;
}
init_prcm_registers();
dbx500_fw_version_init(pdev, pdata->version_offset);
res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "prcmu-tcdm");
if (!res) {
dev_err(&pdev->dev, "no prcmu tcdm region provided\n");
return -ENOENT;
return -EINVAL;
}
tcdm_base = devm_ioremap(&pdev->dev, res->start,
resource_size(res));
if (!tcdm_base) {
dev_err(&pdev->dev,
"failed to ioremap prcmu-tcdm register memory\n");
return -ENOENT;
return -ENOMEM;
}
/* Clean up the mailbox interrupts after pre-kernel code. */
@ -3179,15 +3179,14 @@ static int db8500_prcmu_probe(struct platform_device *pdev)
irq = platform_get_irq(pdev, 0);
if (irq <= 0) {
dev_err(&pdev->dev, "no prcmu irq provided\n");
return -ENOENT;
return irq;
}
err = request_threaded_irq(irq, prcmu_irq_handler,
prcmu_irq_thread_fn, IRQF_NO_SUSPEND, "prcmu", NULL);
if (err < 0) {
pr_err("prcmu: Failed to allocate IRQ_DB8500_PRCMU1.\n");
err = -EBUSY;
goto no_irq_return;
return err;
}
db8500_irq_init(np);
@ -3211,7 +3210,7 @@ static int db8500_prcmu_probe(struct platform_device *pdev)
if (err) {
mfd_remove_devices(&pdev->dev);
pr_err("prcmu: Failed to add subdevices\n");
goto no_irq_return;
return err;
}
}
@ -3219,12 +3218,10 @@ static int db8500_prcmu_probe(struct platform_device *pdev)
if (err) {
mfd_remove_devices(&pdev->dev);
pr_err("prcmu: Failed to add ab8500 subdevice\n");
goto no_irq_return;
return err;
}
pr_info("DB8500 PRCMU initialized\n");
no_irq_return:
return err;
}
static const struct of_device_id db8500_prcmu_match[] = {