diff options
Diffstat (limited to 'drivers/rtc/rtc-88pm80x.c')
| -rw-r--r-- | drivers/rtc/rtc-88pm80x.c | 28 |
1 files changed, 17 insertions, 11 deletions
diff --git a/drivers/rtc/rtc-88pm80x.c b/drivers/rtc/rtc-88pm80x.c index 7df0579d9852..466bf7f9a285 100644 --- a/drivers/rtc/rtc-88pm80x.c +++ b/drivers/rtc/rtc-88pm80x.c @@ -251,17 +251,26 @@ static SIMPLE_DEV_PM_OPS(pm80x_rtc_pm_ops, pm80x_rtc_suspend, pm80x_rtc_resume); static int pm80x_rtc_probe(struct platform_device *pdev) { struct pm80x_chip *chip = dev_get_drvdata(pdev->dev.parent); - struct pm80x_platform_data *pm80x_pdata = - dev_get_platdata(pdev->dev.parent); - struct pm80x_rtc_pdata *pdata = NULL; + struct pm80x_rtc_pdata *pdata = dev_get_platdata(&pdev->dev); struct pm80x_rtc_info *info; + struct device_node *node = pdev->dev.of_node; struct rtc_time tm; unsigned long ticks = 0; int ret; - pdata = dev_get_platdata(&pdev->dev); - if (pdata == NULL) - dev_warn(&pdev->dev, "No platform data!\n"); + if (!pdata && !node) { + dev_err(&pdev->dev, + "pm80x-rtc requires platform data or of_node\n"); + return -EINVAL; + } + + if (!pdata) { + pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL); + if (!pdata) { + dev_err(&pdev->dev, "failed to allocate memory\n"); + return -ENOMEM; + } + } info = devm_kzalloc(&pdev->dev, sizeof(struct pm80x_rtc_info), GFP_KERNEL); @@ -327,11 +336,8 @@ static int pm80x_rtc_probe(struct platform_device *pdev) regmap_update_bits(info->map, PM800_RTC_CONTROL, PM800_RTC1_USE_XO, PM800_RTC1_USE_XO); - if (pm80x_pdata) { - pdata = pm80x_pdata->rtc; - if (pdata) - info->rtc_dev->dev.platform_data = &pdata->rtc_wakeup; - } + /* remember whether this power up is caused by PMIC RTC or not */ + info->rtc_dev->dev.platform_data = &pdata->rtc_wakeup; device_init_wakeup(&pdev->dev, 1); |