linux-kernel - [PATCH v2] rtc: pcf2127: remove useless check

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Message-ID: <20230827214649.537095-1-alexandre.belloni@bootlin.com>
Date:   Sun, 27 Aug 2023 23:46:49 +0200
From:   alexandre.belloni@...tlin.com
To:     Alessandro Zummo <a.zummo@...ertech.it>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>
Cc:     linux-rtc@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH v2] rtc: pcf2127: remove useless check

From: Alexandre Belloni <alexandre.belloni@...tlin.com>

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

Signed-off-by: Alexandre Belloni <alexandre.belloni@...tlin.com>
---
 drivers/rtc/rtc-pcf2127.c | 9 ---------
 1 file changed, 9 deletions(-)

diff --git a/drivers/rtc/rtc-pcf2127.c b/drivers/rtc/rtc-pcf2127.c
index de8164e1b562..9c04c4e1a49c 100644
--- 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
-- 
2.41.0