rtc: pcf2127: remove useless check

This check is only useful when introducing support for a new RTC in the
driver. Cut down the number of strings in th driver.

Link: https://lore.kernel.org/r/20230827214649.537095-1-alexandre.belloni@bootlin.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>

diff --git a/drivers/rtc/rtc-pcf2127.c b/drivers/rtc/rtc-pcf2127.c
index de8164e1b5626e11399bc7743129ff805d122ed7..9c04c4e1a49c370ee50178b5bf7e853c62c75321 100644 (file)
--- a/drivers/rtc/rtc-pcf2127.c
+++ b/drivers/rtc/rtc-pcf2127.c
@@ -1054,15 +1054,6 @@ static int pcf2127_enable_ts(struct device *dev, int ts_id)
                return ret;
        }
 
-       /* TS input pin driven to GND detection is supported by all variants.
-        * Make sure that interrupt bit is defined.
-        */
-       if (pcf2127->cfg->ts[ts_id].gnd_detect_bit == 0) {
-               dev_err(dev, "%s: tamper detection to GND configuration invalid\n",
-                       __func__);
-               return -EINVAL;
-       }
-
        /*
         * Enable interrupt generation when TSF timestamp flag is set.
         * Interrupt signals are open-drain outputs and can be left floating if