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authorPeter Rosin <peda@axentia.se>2018-05-16 09:16:46 +0200
committerWolfram Sang <wsa@the-dreams.de>2018-05-29 20:30:06 +0200
commitac6d5298f6af763b587495d62041fe57a2fb89e6 (patch)
treeb3b8e1606dc0f5cfc1e9c241cf4ca14eb0b541b4 /drivers/i2c/algos
parentb80646be4c171f6b59f3145ee3b8872b56e0ac4c (diff)
downloadlinux-ac6d5298f6af763b587495d62041fe57a2fb89e6.tar.bz2
i2c: algos: make use of i2c_8bit_addr_from_msg
Because it looks neater. Signed-off-by: Peter Rosin <peda@axentia.se> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Diffstat (limited to 'drivers/i2c/algos')
-rw-r--r--drivers/i2c/algos/i2c-algo-bit.c4
-rw-r--r--drivers/i2c/algos/i2c-algo-pca.c5
-rw-r--r--drivers/i2c/algos/i2c-algo-pcf.c8
3 files changed, 4 insertions, 13 deletions
diff --git a/drivers/i2c/algos/i2c-algo-bit.c b/drivers/i2c/algos/i2c-algo-bit.c
index 3df0efd69ae3..4a34f311e1ff 100644
--- a/drivers/i2c/algos/i2c-algo-bit.c
+++ b/drivers/i2c/algos/i2c-algo-bit.c
@@ -519,9 +519,7 @@ static int bit_doAddress(struct i2c_adapter *i2c_adap, struct i2c_msg *msg)
}
}
} else { /* normal 7bit address */
- addr = msg->addr << 1;
- if (flags & I2C_M_RD)
- addr |= 1;
+ addr = i2c_8bit_addr_from_msg(msg);
if (flags & I2C_M_REV_DIR_ADDR)
addr ^= 1;
ret = try_address(i2c_adap, addr, retries);
diff --git a/drivers/i2c/algos/i2c-algo-pca.c b/drivers/i2c/algos/i2c-algo-pca.c
index e370804ec8bc..883a290f6a4d 100644
--- a/drivers/i2c/algos/i2c-algo-pca.c
+++ b/drivers/i2c/algos/i2c-algo-pca.c
@@ -112,11 +112,8 @@ static int pca_address(struct i2c_algo_pca_data *adap,
struct i2c_msg *msg)
{
int sta = pca_get_con(adap);
- int addr;
+ int addr = i2c_8bit_addr_from_msg(msg);
- addr = ((0x7f & msg->addr) << 1);
- if (msg->flags & I2C_M_RD)
- addr |= 1;
DEB2("=== SLAVE ADDRESS %#04x+%c=%#04x\n",
msg->addr, msg->flags & I2C_M_RD ? 'R' : 'W', addr);
diff --git a/drivers/i2c/algos/i2c-algo-pcf.c b/drivers/i2c/algos/i2c-algo-pcf.c
index 270d84bfc2c6..5c29a4d397cf 100644
--- a/drivers/i2c/algos/i2c-algo-pcf.c
+++ b/drivers/i2c/algos/i2c-algo-pcf.c
@@ -291,13 +291,9 @@ static int pcf_readbytes(struct i2c_adapter *i2c_adap, char *buf,
static int pcf_doAddress(struct i2c_algo_pcf_data *adap,
struct i2c_msg *msg)
{
- unsigned short flags = msg->flags;
- unsigned char addr;
+ unsigned char addr = i2c_8bit_addr_from_msg(msg);
- addr = msg->addr << 1;
- if (flags & I2C_M_RD)
- addr |= 1;
- if (flags & I2C_M_REV_DIR_ADDR)
+ if (msg->flags & I2C_M_REV_DIR_ADDR)
addr ^= 1;
i2c_outb(adap, addr);