linux-kernel - [PATCH 4.18 277/350] rtc: ds1307: fix ds1339 wakealarm support

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Date:   Sun, 11 Nov 2018 14:22:21 -0800
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Soeren Moch <smoch@....de>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>
Subject: [PATCH 4.18 277/350] rtc: ds1307: fix ds1339 wakealarm support

4.18-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Soeren Moch <smoch@....de>

commit 7dceef78f310f5351735060d78a1777c69606016 upstream.

Commit 51ed73eb998a1c79a2b0e9bed68f75a8a2c93b9b ("rtc: ds1340: Add support
for trickle charger.") breaks ds1339 wakealarm support by limiting
accessible registers. Fix this.

Fixes: 51ed73eb998a ("rtc: ds1340: Add support for trickle charger.")
Cc: stable@...r.kernel.org
Signed-off-by: Soeren Moch <smoch@....de>
Signed-off-by: Alexandre Belloni <alexandre.belloni@...tlin.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/rtc/rtc-ds1307.c |    1 -
 1 file changed, 1 deletion(-)

--- a/drivers/rtc/rtc-ds1307.c
+++ b/drivers/rtc/rtc-ds1307.c
@@ -1372,7 +1372,6 @@ static void ds1307_clks_register(struct
 static const struct regmap_config regmap_config = {
 	.reg_bits = 8,
 	.val_bits = 8,
-	.max_register = 0x9,
 };
 
 static int ds1307_probe(struct i2c_client *client,