diff options
| author | Ingo Molnar <[email protected]> | 2020-02-24 11:36:09 +0100 |
|---|---|---|
| committer | Ingo Molnar <[email protected]> | 2020-02-24 11:36:09 +0100 |
| commit | 546121b65f47384e11ec1fa2e55449fc9f4846b2 (patch) | |
| tree | 8f18470ec7c0c77b0f48eb1b2338e591b0b0aaff /drivers/rtc/rtc-hym8563.c | |
| parent | 000619680c3714020ce9db17eef6a4a7ce2dc28b (diff) | |
| parent | f8788d86ab28f61f7b46eb6be375f8a726783636 (diff) | |
Merge tag 'v5.6-rc3' into sched/core, to pick up fixes and dependent patches
Signed-off-by: Ingo Molnar <[email protected]>
Diffstat (limited to 'drivers/rtc/rtc-hym8563.c')
| -rw-r--r-- | drivers/rtc/rtc-hym8563.c | 19 |
1 files changed, 7 insertions, 12 deletions
diff --git a/drivers/rtc/rtc-hym8563.c b/drivers/rtc/rtc-hym8563.c index 443f6d05ce29..0fb79c4afb46 100644 --- a/drivers/rtc/rtc-hym8563.c +++ b/drivers/rtc/rtc-hym8563.c @@ -78,7 +78,6 @@ struct hym8563 { struct i2c_client *client; struct rtc_device *rtc; - bool valid; #ifdef CONFIG_COMMON_CLK struct clk_hw clkout_hw; #endif @@ -91,19 +90,19 @@ struct hym8563 { static int hym8563_rtc_read_time(struct device *dev, struct rtc_time *tm) { struct i2c_client *client = to_i2c_client(dev); - struct hym8563 *hym8563 = i2c_get_clientdata(client); u8 buf[7]; int ret; - if (!hym8563->valid) { - dev_warn(&client->dev, "no valid clock/calendar values available\n"); - return -EPERM; - } - ret = i2c_smbus_read_i2c_block_data(client, HYM8563_SEC, 7, buf); if (ret < 0) return ret; + if (buf[0] & HYM8563_SEC_VL) { + dev_warn(&client->dev, + "no valid clock/calendar values available\n"); + return -EINVAL; + } + tm->tm_sec = bcd2bin(buf[0] & HYM8563_SEC_MASK); tm->tm_min = bcd2bin(buf[1] & HYM8563_MIN_MASK); tm->tm_hour = bcd2bin(buf[2] & HYM8563_HOUR_MASK); @@ -118,7 +117,6 @@ static int hym8563_rtc_read_time(struct device *dev, struct rtc_time *tm) static int hym8563_rtc_set_time(struct device *dev, struct rtc_time *tm) { struct i2c_client *client = to_i2c_client(dev); - struct hym8563 *hym8563 = i2c_get_clientdata(client); u8 buf[7]; int ret; @@ -157,8 +155,6 @@ static int hym8563_rtc_set_time(struct device *dev, struct rtc_time *tm) if (ret < 0) return ret; - hym8563->valid = true; - return 0; } @@ -556,9 +552,8 @@ static int hym8563_probe(struct i2c_client *client, if (ret < 0) return ret; - hym8563->valid = !(ret & HYM8563_SEC_VL); dev_dbg(&client->dev, "rtc information is %s\n", - hym8563->valid ? "valid" : "invalid"); + (ret & HYM8563_SEC_VL) ? "invalid" : "valid"); hym8563->rtc = devm_rtc_device_register(&client->dev, client->name, &hym8563_rtc_ops, THIS_MODULE); |