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From: Alexandre Belloni <alexandre.belloni@bootlin.com>
To: linux-rtc@vger.kernel.org
Cc: "Rasmus Villemoes" <rasmus.villemoes@prevas.dk>,
	"Per Nørgaard Christensen" <per.christensen@prevas.dk>,
	linux-kernel@vger.kernel.org,
	"Alexandre Belloni" <alexandre.belloni@bootlin.com>
Subject: [PATCH 4/5] rtc: pcf2127: set regmap max_register
Date: Tue,  5 May 2020 22:13:09 +0200	[thread overview]
Message-ID: <20200505201310.255145-4-alexandre.belloni@bootlin.com> (raw)
In-Reply-To: <20200505201310.255145-1-alexandre.belloni@bootlin.com>

Set regmap max_register to ease debugging and enforce the register range.

Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
---
 drivers/rtc/rtc-pcf2127.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/rtc/rtc-pcf2127.c b/drivers/rtc/rtc-pcf2127.c
index 5ac996578523..039078029bd4 100644
--- a/drivers/rtc/rtc-pcf2127.c
+++ b/drivers/rtc/rtc-pcf2127.c
@@ -634,6 +634,7 @@ static int pcf2127_i2c_probe(struct i2c_client *client,
 	static const struct regmap_config config = {
 		.reg_bits = 8,
 		.val_bits = 8,
+		.max_register = 0x1d,
 	};
 
 	if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C))
@@ -701,6 +702,7 @@ static int pcf2127_spi_probe(struct spi_device *spi)
 		.val_bits = 8,
 		.read_flag_mask = 0xa0,
 		.write_flag_mask = 0x20,
+		.max_register = 0x1d,
 	};
 	struct regmap *regmap;
 
-- 
2.26.2


  parent reply	other threads:[~2020-05-05 20:14 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-05-05 20:13 [PATCH 1/5] rtc: add new VL flag for backup switchover Alexandre Belloni
2020-05-05 20:13 ` [PATCH 2/5] rtc: pcf2127: let the core handle rtc range Alexandre Belloni
2020-05-05 20:13 ` [PATCH 3/5] rtc: pcf2127: remove unnecessary #ifdef Alexandre Belloni
2020-05-05 20:13 ` Alexandre Belloni [this message]
2020-05-05 20:13 ` [PATCH 5/5] rtc: pcf2127: report battery switch over Alexandre Belloni
2020-05-05 21:30   ` Rasmus Villemoes
2020-05-05 22:09     ` Alexandre Belloni

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