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rtc: 88pm80x: add device tree support 

Along with DT support, this patch also cleans up the unnecessary
code around 'rtc_wakeup' initialization.

Signed-off-by: Chao Xie <chao.xie@marvell.com>
Signed-off-by: Vaibhav Hiremath <vaibhav.hiremath@linaro.org>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
This commit is contained in:
Vaibhav Hiremath 2015-07-09 12:25:51 +05:30 committed by Alexandre Belloni
parent 617f6f7ef5
commit 4ab8210313
1 changed files with 17 additions and 11 deletions
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28
drivers/rtc/rtc-88pm80x.c
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@ -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);