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-max77686.c b/drivers/rtc/rtc-max77686.c
index 9e27f5a..eae7cb9 100644
--- a/drivers/rtc/rtc-max77686.c
+++ b/drivers/rtc/rtc-max77686.c
@@ -78,6 +78,8 @@
int alarm_pending_status_reg;
/* RTC IRQ CHIP for regmap */
const struct regmap_irq_chip *rtc_irq_chip;
+ /* regmap configuration for the chip */
+ const struct regmap_config *regmap_config;
};
struct max77686_rtc_info {
@@ -182,6 +184,11 @@
.num_irqs = ARRAY_SIZE(max77686_rtc_irqs),
};
+static const struct regmap_config max77686_rtc_regmap_config = {
+ .reg_bits = 8,
+ .val_bits = 8,
+};
+
static const struct max77686_rtc_driver_data max77686_drv_data = {
.delay = 16000,
.mask = 0x7f,
@@ -191,6 +198,13 @@
.alarm_pending_status_reg = MAX77686_REG_STATUS2,
.rtc_i2c_addr = MAX77686_I2C_ADDR_RTC,
.rtc_irq_chip = &max77686_rtc_irq_chip,
+ .regmap_config = &max77686_rtc_regmap_config,
+};
+
+static const struct regmap_config max77620_rtc_regmap_config = {
+ .reg_bits = 8,
+ .val_bits = 8,
+ .use_single_write = true,
};
static const struct max77686_rtc_driver_data max77620_drv_data = {
@@ -202,6 +216,7 @@
.alarm_pending_status_reg = MAX77686_INVALID_REG,
.rtc_i2c_addr = MAX77620_I2C_ADDR_RTC,
.rtc_irq_chip = &max77686_rtc_irq_chip,
+ .regmap_config = &max77620_rtc_regmap_config,
};
static const unsigned int max77802_map[REG_RTC_END] = {
@@ -658,11 +673,6 @@
return ret;
}
-static const struct regmap_config max77686_rtc_regmap_config = {
- .reg_bits = 8,
- .val_bits = 8,
-};
-
static int max77686_init_rtc_regmap(struct max77686_rtc_info *info)
{
struct device *parent = info->dev->parent;
@@ -698,7 +708,7 @@
}
info->rtc_regmap = devm_regmap_init_i2c(info->rtc,
- &max77686_rtc_regmap_config);
+ info->drv_data->regmap_config);
if (IS_ERR(info->rtc_regmap)) {
ret = PTR_ERR(info->rtc_regmap);
dev_err(info->dev, "Failed to allocate RTC regmap: %d\n", ret);
@@ -795,17 +805,36 @@
#ifdef CONFIG_PM_SLEEP
static int max77686_rtc_suspend(struct device *dev)
{
+ struct max77686_rtc_info *info = dev_get_drvdata(dev);
+ int ret = 0;
+
if (device_may_wakeup(dev)) {
struct max77686_rtc_info *info = dev_get_drvdata(dev);
- return enable_irq_wake(info->virq);
+ ret = enable_irq_wake(info->virq);
}
- return 0;
+ /*
+ * If the main IRQ (not virtual) is the parent IRQ, then it must be
+ * disabled during suspend because if it happens while suspended it
+ * will be handled before resuming I2C.
+ *
+ * Since Main IRQ is shared, all its users should disable it to be sure
+ * it won't fire while one of them is still suspended.
+ */
+ if (!info->drv_data->rtc_irq_from_platform)
+ disable_irq(info->rtc_irq);
+
+ return ret;
}
static int max77686_rtc_resume(struct device *dev)
{
+ struct max77686_rtc_info *info = dev_get_drvdata(dev);
+
+ if (!info->drv_data->rtc_irq_from_platform)
+ enable_irq(info->rtc_irq);
+
if (device_may_wakeup(dev)) {
struct max77686_rtc_info *info = dev_get_drvdata(dev);