linux-kernel - [PATCH] rtc: ds1307: fix ds1339 wakealarm support

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Date:   Mon, 22 Oct 2018 14:38:12 +0200
From:   Soeren Moch <smoch@....de>
To:     Alexandre Belloni <alexandre.belloni@...tlin.com>
Cc:     Soeren Moch <smoch@....de>, stable@...r.kernel.org,
        Andrea Greco <a.greco@...gma.it>,
        Alessandro Zummo <a.zummo@...ertech.it>,
        linux-rtc@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] rtc: ds1307: fix ds1339 wakealarm support

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>
--
Cc: Andrea Greco <a.greco@...gma.it>
Cc: Alessandro Zummo <a.zummo@...ertech.it>
Cc: Alexandre Belloni <alexandre.belloni@...tlin.com>
Cc: linux-rtc@...r.kernel.org
Cc: linux-kernel@...r.kernel.org
---
 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 4b2b4627daeb..71396b62dc52 100644
--- a/drivers/rtc/rtc-ds1307.c
+++ b/drivers/rtc/rtc-ds1307.c
@@ -1384,7 +1384,6 @@ 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,
-- 
2.17.1