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| author | Esben Haabendal <esben@geanix.com> | 2024-09-13 12:29:12 +0200 |
|---|---|---|
| committer | Alexandre Belloni <alexandre.belloni@bootlin.com> | 2024-11-11 00:06:46 +0100 |
| commit | d4a6161f242b70dde08a631b16ca3671aa1b2ed2 (patch) | |
| tree | 714d58d45c6669828886fcf86c47c1a2999c22c8 /drivers/rtc | |
| parent | rtc: rtc-mc146818-lib: Use is_leap_year instead of calculate leap years (diff) | |
| download | linux-d4a6161f242b70dde08a631b16ca3671aa1b2ed2.tar.xz linux-d4a6161f242b70dde08a631b16ca3671aa1b2ed2.zip | |
rtc: isl12022: Prepare for extending rtc device drvdata
Add a struct to hold the regmap pointer, so more information can be added.
This is morally a revert of commit f525b210e9d4 ("rtc: isl12022: Get rid of
unneeded private struct isl12022").
Acked-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Signed-off-by: Esben Haabendal <esben@geanix.com>
Link: https://lore.kernel.org/r/20240913-rtc-isl12022-alarm-irq-v2-1-37309d939723@geanix.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Diffstat (limited to 'drivers/rtc')
| -rw-r--r-- | drivers/rtc/rtc-isl12022.c | 31 |
1 files changed, 24 insertions, 7 deletions
diff --git a/drivers/rtc/rtc-isl12022.c b/drivers/rtc/rtc-isl12022.c index 6fa9a68af9d9..d82278fdc29b 100644 --- a/drivers/rtc/rtc-isl12022.c +++ b/drivers/rtc/rtc-isl12022.c @@ -54,6 +54,10 @@ #define ISL12022_BETA_TSE (1 << 7) +struct isl12022 { + struct regmap *regmap; +}; + static umode_t isl12022_hwmon_is_visible(const void *data, enum hwmon_sensor_types type, u32 attr, int channel) @@ -116,7 +120,8 @@ static const struct hwmon_chip_info isl12022_hwmon_chip_info = { static void isl12022_hwmon_register(struct device *dev) { - struct regmap *regmap = dev_get_drvdata(dev); + struct isl12022 *isl12022 = dev_get_drvdata(dev); + struct regmap *regmap = isl12022->regmap; struct device *hwmon; int ret; @@ -143,7 +148,8 @@ static void isl12022_hwmon_register(struct device *dev) */ static int isl12022_rtc_read_time(struct device *dev, struct rtc_time *tm) { - struct regmap *regmap = dev_get_drvdata(dev); + struct isl12022 *isl12022 = dev_get_drvdata(dev); + struct regmap *regmap = isl12022->regmap; uint8_t buf[ISL12022_REG_INT + 1]; int ret; @@ -178,7 +184,8 @@ static int isl12022_rtc_read_time(struct device *dev, struct rtc_time *tm) static int isl12022_rtc_set_time(struct device *dev, struct rtc_time *tm) { - struct regmap *regmap = dev_get_drvdata(dev); + struct isl12022 *isl12022 = dev_get_drvdata(dev); + struct regmap *regmap = isl12022->regmap; int ret; uint8_t buf[ISL12022_REG_DW + 1]; @@ -210,7 +217,8 @@ static int isl12022_rtc_set_time(struct device *dev, struct rtc_time *tm) static int isl12022_rtc_ioctl(struct device *dev, unsigned int cmd, unsigned long arg) { - struct regmap *regmap = dev_get_drvdata(dev); + struct isl12022 *isl12022 = dev_get_drvdata(dev); + struct regmap *regmap = isl12022->regmap; u32 user, val; int ret; @@ -248,7 +256,8 @@ static const struct regmap_config regmap_config = { static int isl12022_register_clock(struct device *dev) { - struct regmap *regmap = dev_get_drvdata(dev); + struct isl12022 *isl12022 = dev_get_drvdata(dev); + struct regmap *regmap = isl12022->regmap; struct clk_hw *hw; int ret; @@ -288,7 +297,8 @@ static const u32 trip_levels[2][7] = { static void isl12022_set_trip_levels(struct device *dev) { - struct regmap *regmap = dev_get_drvdata(dev); + struct isl12022 *isl12022 = dev_get_drvdata(dev); + struct regmap *regmap = isl12022->regmap; u32 levels[2] = {0, 0}; int ret, i, j, x[2]; u8 val, mask; @@ -325,6 +335,7 @@ static void isl12022_set_trip_levels(struct device *dev) static int isl12022_probe(struct i2c_client *client) { + struct isl12022 *isl12022; struct rtc_device *rtc; struct regmap *regmap; int ret; @@ -332,13 +343,19 @@ static int isl12022_probe(struct i2c_client *client) if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) return -ENODEV; + /* Allocate driver state */ + isl12022 = devm_kzalloc(&client->dev, sizeof(*isl12022), GFP_KERNEL); + if (!isl12022) + return -ENOMEM; + regmap = devm_regmap_init_i2c(client, ®map_config); if (IS_ERR(regmap)) { dev_err(&client->dev, "regmap allocation failed\n"); return PTR_ERR(regmap); } + isl12022->regmap = regmap; - dev_set_drvdata(&client->dev, regmap); + dev_set_drvdata(&client->dev, isl12022); ret = isl12022_register_clock(&client->dev); if (ret) |