diff options
Diffstat (limited to 'drivers/mfd/db8500-prcmu.c')
| -rw-r--r-- | drivers/mfd/db8500-prcmu.c | 23 |
1 files changed, 12 insertions, 11 deletions
diff --git a/drivers/mfd/db8500-prcmu.c b/drivers/mfd/db8500-prcmu.c index 193cf168ba8..16162bf4365 100644 --- a/drivers/mfd/db8500-prcmu.c +++ b/drivers/mfd/db8500-prcmu.c @@ -3150,23 +3150,28 @@ 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 -ENOMEM; + } /* Clean up the mailbox interrupts after pre-kernel code. */ writel(ALL_MBOX_BITS, PRCM_ARM_IT1_CLR); @@ -3174,15 +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); @@ -3206,7 +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; } } @@ -3214,12 +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[] = { @@ -3230,7 +3232,6 @@ static const struct of_device_id db8500_prcmu_match[] = { static struct platform_driver db8500_prcmu_driver = { .driver = { .name = "db8500-prcmu", - .owner = THIS_MODULE, .of_match_table = db8500_prcmu_match, }, .probe = db8500_prcmu_probe, |