From: Ahmad Fatoum <a.fatoum@pengutronix.de>
To: barebox@lists.infradead.org
Cc: Ahmad Fatoum <a.fatoum@pengutronix.de>
Subject: [PATCH 04/11] regmap: factor out regmap cdev size calculation
Date: Wed, 11 Jan 2023 09:01:12 +0100 [thread overview]
Message-ID: <20230111080119.933475-5-a.fatoum@pengutronix.de> (raw)
In-Reply-To: <20230111080119.933475-1-a.fatoum@pengutronix.de>
We will add a new user of this calculate in a follow-up commit, so
make it available as a global function.
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
---
drivers/base/regmap/regmap.c | 9 +++++++--
include/regmap.h | 2 ++
2 files changed, 9 insertions(+), 2 deletions(-)
diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c
index 3685226dd1d5..40aefa1bea27 100644
--- a/drivers/base/regmap/regmap.c
+++ b/drivers/base/regmap/regmap.c
@@ -401,6 +401,12 @@ static struct cdev_operations regmap_fops = {
.write = regmap_cdev_write,
};
+size_t regmap_size_bytes(struct regmap *map)
+{
+ return regmap_round_val_bytes(map) * (map->max_register + 1) /
+ map->reg_stride;
+}
+
/*
* regmap_register_cdev - register a devfs file for a regmap
*
@@ -428,8 +434,7 @@ int regmap_register_cdev(struct regmap *map, const char *name)
map->cdev.name = xstrdup(dev_name(map->dev));
}
- map->cdev.size = regmap_round_val_bytes(map) * (map->max_register + 1) /
- map->reg_stride;
+ map->cdev.size = regmap_size_bytes(map);
map->cdev.dev = map->dev;
map->cdev.ops = ®map_fops;
diff --git a/include/regmap.h b/include/regmap.h
index 8f191c87cfcb..986ed391ab28 100644
--- a/include/regmap.h
+++ b/include/regmap.h
@@ -204,6 +204,8 @@ static inline int regmap_clear_bits(struct regmap *map,
return regmap_update_bits(map, reg, bits, 0);
}
+size_t regmap_size_bytes(struct regmap *map);
+
/**
* regmap_read_poll_timeout - Poll until a condition is met or a timeout occurs
*
--
2.30.2
next prev parent reply other threads:[~2023-01-11 8:04 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-01-11 8:01 [PATCH 00/11] net: dsa: ksz9477: use regmap to add I2C support next to SPI Ahmad Fatoum
2023-01-11 8:01 ` [PATCH 01/11] regmap: consolidate reg/val format into regmap_format Ahmad Fatoum
2023-01-11 8:01 ` [PATCH 02/11] regmap: support formatted read and write Ahmad Fatoum
2023-01-11 8:01 ` [PATCH 03/11] regmap: port regmap_init_spi Ahmad Fatoum
2023-01-11 8:01 ` Ahmad Fatoum [this message]
2023-01-11 8:01 ` [PATCH 05/11] net: dsa: ksz9477: switch to regmap_init_spi Ahmad Fatoum
2023-01-11 8:01 ` [PATCH 06/11] net: dsa: ksz9477: create regmap cdev for switch registers Ahmad Fatoum
2023-01-11 8:56 ` Sascha Hauer
2023-01-11 9:33 ` Ahmad Fatoum
2023-01-11 8:01 ` [PATCH 07/11] drivers: base: regmap: introduce REGMAP_I2C Ahmad Fatoum
2023-01-11 8:01 ` [PATCH 08/11] dev: add dev_bus_is_spi/i2c helpers Ahmad Fatoum
2023-01-11 8:01 ` [PATCH 09/11] net: dsa: ksz9477: refactor to prepare i2c support Ahmad Fatoum
2023-01-11 8:01 ` [PATCH 10/11] regmap: i2c: use formatted I/O Ahmad Fatoum
2023-01-11 8:01 ` [PATCH 11/11] net: ksz9477: add I2C support Ahmad Fatoum
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