rtc: hym8563: set uie_unsupported

PATCH New Heiko Stübner 1 participant 1 message May 6, 2014 Real time clock (RTC)

Share & tools

Heiko Stübner

author

2014-05-06 17:02 UTC #0 lore raw

PATCH 1/1 rtc: hym8563: set uie_unsupported

The alarm of the hym8563 only supports a minute accuracy, while the uie wants an alarm one second in the future. Therefore things like the select() syscall will fail with a timeout, because the next alarm will happen in a worst case of 60 seconds.

Signed-off-by Heiko Stuebner <[email protected]>

Cc [email protected]

---
 drivers/rtc/rtc-hym8563.c | 3 +++
 1 file changed, 3 insertions(+)

drivers/rtc/rtc-hym8563.c +3 -0

index bd628a6..e5f13c4 100644
@@ -569,6 +569,9 @@ static int hym8563_probe(struct i2c_client *client,
 	if (IS_ERR(hym8563->rtc))
 		return PTR_ERR(hym8563->rtc);
 
+	/* the hym8563 alarm only supports a minute accuracy */
+	hym8563->rtc->uie_unsupported = 1;
+
 #ifdef CONFIG_COMMON_CLK
 	hym8563_clkout_register_clk(hym8563);
 #endif

Signature · 1 line

1.9.0