From: Soeren Moch <smoch@web.de>
Date: Mon, 22 Oct 2018 14:38:12 +0200
Subject: rtc: ds1307: fix ds1339 wakealarm support

Git-commit: 7dceef78f310f5351735060d78a1777c69606016
Patch-mainline: v4.20-rc1
References: fate#326530,fate#326531,fate#326535,fate#326538,fate#326539

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@vger.kernel.org
Signed-off-by: Soeren Moch <smoch@web.de>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Mian Yousaf Kaukab <yousaf.kaukab@suse.com>
---
 drivers/rtc/rtc-ds1307.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/rtc/rtc-ds1307.c b/drivers/rtc/rtc-ds1307.c
index 982503a168d0..74b31dce484f 100644
--- a/drivers/rtc/rtc-ds1307.c
+++ b/drivers/rtc/rtc-ds1307.c
@@ -1524,7 +1524,6 @@ static void ds1307_clks_register(struct ds1307 *ds1307)
 static const struct regmap_config regmap_config = {
 	.reg_bits = 8,
 	.val_bits = 8,
-	.max_register = 0x9,
 };
 
 static int ds1307_probe(struct i2c_client *client,
-- 
2.11.0