Update Linux to v5.10.109
Sourced from [1]
[1] https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.10.109.tar.xz
Change-Id: I19bca9fc6762d4e63bcf3e4cba88bbe560d9c76c
Signed-off-by: Olivier Deprez <olivier.deprez@arm.com>
diff --git a/drivers/rtc/rtc-sun6i.c b/drivers/rtc/rtc-sun6i.c
index c41bc80..f2818cd 100644
--- a/drivers/rtc/rtc-sun6i.c
+++ b/drivers/rtc/rtc-sun6i.c
@@ -108,7 +108,6 @@
* driver, even though it is somewhat limited.
*/
#define SUN6I_YEAR_MIN 1970
-#define SUN6I_YEAR_MAX 2033
#define SUN6I_YEAR_OFF (SUN6I_YEAR_MIN - 1900)
/*
@@ -136,7 +135,6 @@ struct sun6i_rtc_clk_data {
struct sun6i_rtc_dev {
struct rtc_device *rtc;
- struct device *dev;
const struct sun6i_rtc_clk_data *data;
void __iomem *base;
int irq;
@@ -251,19 +249,17 @@ static void __init sun6i_rtc_clk_init(struct device_node *node,
writel(reg, rtc->base + SUN6I_LOSC_CTRL);
}
- /* Switch to the external, more precise, oscillator */
- reg |= SUN6I_LOSC_CTRL_EXT_OSC;
- if (rtc->data->has_losc_en)
- reg |= SUN6I_LOSC_CTRL_EXT_LOSC_EN;
+ /* Switch to the external, more precise, oscillator, if present */
+ if (of_get_property(node, "clocks", NULL)) {
+ reg |= SUN6I_LOSC_CTRL_EXT_OSC;
+ if (rtc->data->has_losc_en)
+ reg |= SUN6I_LOSC_CTRL_EXT_LOSC_EN;
+ }
writel(reg, rtc->base + SUN6I_LOSC_CTRL);
/* Yes, I know, this is ugly. */
sun6i_rtc = rtc;
- /* Deal with old DTs */
- if (!of_get_property(node, "clocks", NULL))
- goto err;
-
/* Only read IOSC name from device tree if it is exported */
if (rtc->data->export_iosc)
of_property_read_string_index(node, "clock-output-names", 2,
@@ -280,11 +276,13 @@ static void __init sun6i_rtc_clk_init(struct device_node *node,
}
parents[0] = clk_hw_get_name(rtc->int_osc);
+ /* If there is no external oscillator, this will be NULL and ... */
parents[1] = of_clk_get_parent_name(node, 0);
rtc->hw.init = &init;
init.parent_names = parents;
+ /* ... number of clock parents will be 1. */
init.num_parents = of_clk_get_parent_count(node) + 1;
of_property_read_string_index(node, "clock-output-names", 0,
&init.name);
@@ -502,7 +500,7 @@ static int sun6i_rtc_getalarm(struct device *dev, struct rtc_wkalrm *wkalrm)
wkalrm->enabled = !!(alrm_en & SUN6I_ALRM_EN_CNT_EN);
wkalrm->pending = !!(alrm_st & SUN6I_ALRM_EN_CNT_EN);
- rtc_time_to_tm(chip->alarm, &wkalrm->time);
+ rtc_time64_to_tm(chip->alarm, &wkalrm->time);
return 0;
}
@@ -523,8 +521,8 @@ static int sun6i_rtc_setalarm(struct device *dev, struct rtc_wkalrm *wkalrm)
return -EINVAL;
}
- rtc_tm_to_time(alrm_tm, &time_set);
- rtc_tm_to_time(&tm_now, &time_now);
+ time_set = rtc_tm_to_time64(alrm_tm);
+ time_now = rtc_tm_to_time64(&tm_now);
if (time_set <= time_now) {
dev_err(dev, "Date to set in the past\n");
return -EINVAL;
@@ -572,14 +570,6 @@ static int sun6i_rtc_settime(struct device *dev, struct rtc_time *rtc_tm)
struct sun6i_rtc_dev *chip = dev_get_drvdata(dev);
u32 date = 0;
u32 time = 0;
- int year;
-
- year = rtc_tm->tm_year + 1900;
- if (year < SUN6I_YEAR_MIN || year > SUN6I_YEAR_MAX) {
- dev_err(dev, "rtc only supports year in range %d - %d\n",
- SUN6I_YEAR_MIN, SUN6I_YEAR_MAX);
- return -EINVAL;
- }
rtc_tm->tm_year -= SUN6I_YEAR_OFF;
rtc_tm->tm_mon += 1;
@@ -588,7 +578,7 @@ static int sun6i_rtc_settime(struct device *dev, struct rtc_time *rtc_tm)
SUN6I_DATE_SET_MON_VALUE(rtc_tm->tm_mon) |
SUN6I_DATE_SET_YEAR_VALUE(rtc_tm->tm_year);
- if (is_leap_year(year))
+ if (is_leap_year(rtc_tm->tm_year + SUN6I_YEAR_MIN))
date |= SUN6I_LEAP_SET_VALUE(1);
time = SUN6I_TIME_SET_SEC_VALUE(rtc_tm->tm_sec) |
@@ -687,7 +677,6 @@ static int sun6i_rtc_probe(struct platform_device *pdev)
return -ENODEV;
platform_set_drvdata(pdev, chip);
- chip->dev = &pdev->dev;
chip->irq = platform_get_irq(pdev, 0);
if (chip->irq < 0)
@@ -730,12 +719,16 @@ static int sun6i_rtc_probe(struct platform_device *pdev)
device_init_wakeup(&pdev->dev, 1);
- chip->rtc = devm_rtc_device_register(&pdev->dev, "rtc-sun6i",
- &sun6i_rtc_ops, THIS_MODULE);
- if (IS_ERR(chip->rtc)) {
- dev_err(&pdev->dev, "unable to register device\n");
+ chip->rtc = devm_rtc_allocate_device(&pdev->dev);
+ if (IS_ERR(chip->rtc))
return PTR_ERR(chip->rtc);
- }
+
+ chip->rtc->ops = &sun6i_rtc_ops;
+ chip->rtc->range_max = 2019686399LL; /* 2033-12-31 23:59:59 */
+
+ ret = rtc_register_device(chip->rtc);
+ if (ret)
+ return ret;
dev_info(&pdev->dev, "RTC enabled\n");