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authorJiri Kosina <[email protected]>2020-04-01 12:26:12 +0200
committerJiri Kosina <[email protected]>2020-04-01 12:26:12 +0200
commitc9f289701540baeef9ac7c9977d67a7259f404db (patch)
treeac3c29d41da02ac735c9a12da78905842fbccd2f /drivers/rtc/rtc-hym8563.c
parent0aac6f9aaae5fba08963651d2ce49930145e118f (diff)
parent910a7e89cec65efad254c947ce2bf8bf5b370962 (diff)
Merge branch 'for-5.7/appleir' into for-linus
- small code cleanups in hid-appleir from Lucas Tanure
Diffstat (limited to 'drivers/rtc/rtc-hym8563.c')
-rw-r--r--drivers/rtc/rtc-hym8563.c19
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);