Re: [PATCH 37/64] i2c: mt7621: reword according to newest specification

From: Stefan Roese
Date: Mon Mar 25 2024 - 09:39:52 EST


On 3/22/24 14:25, Wolfram Sang wrote:
Match the wording of this driver wrt. the newest I2C v7, SMBus 3.2, I3C
specifications and replace "master/slave" with more appropriate terms.
They are also more specific because we distinguish now between a remote
entity ("client") and a local one ("target").

Signed-off-by: Wolfram Sang <wsa+renesas@xxxxxxxxxxxxxxxxxxxx>

Reviewed-by: Stefan Roese <sr@xxxxxxx>

Thanks,
Stefan

---
drivers/i2c/busses/i2c-mt7621.c | 22 +++++++++++-----------
1 file changed, 11 insertions(+), 11 deletions(-)

diff --git a/drivers/i2c/busses/i2c-mt7621.c b/drivers/i2c/busses/i2c-mt7621.c
index 81d46169bc1f..c567a2cf4a90 100644
--- a/drivers/i2c/busses/i2c-mt7621.c
+++ b/drivers/i2c/busses/i2c-mt7621.c
@@ -117,26 +117,26 @@ static int mtk_i2c_check_ack(struct mtk_i2c *i2c, u32 expected)
return ((ack & ack_expected) == ack_expected) ? 0 : -ENXIO;
}
-static int mtk_i2c_master_start(struct mtk_i2c *i2c)
+static int mtk_i2c_host_start(struct mtk_i2c *i2c)
{
iowrite32(SM0CTL1_START | SM0CTL1_TRI, i2c->base + REG_SM0CTL1_REG);
return mtk_i2c_wait_idle(i2c);
}
-static int mtk_i2c_master_stop(struct mtk_i2c *i2c)
+static int mtk_i2c_host_stop(struct mtk_i2c *i2c)
{
iowrite32(SM0CTL1_STOP | SM0CTL1_TRI, i2c->base + REG_SM0CTL1_REG);
return mtk_i2c_wait_idle(i2c);
}
-static int mtk_i2c_master_cmd(struct mtk_i2c *i2c, u32 cmd, int page_len)
+static int mtk_i2c_host_cmd(struct mtk_i2c *i2c, u32 cmd, int page_len)
{
iowrite32(cmd | SM0CTL1_TRI | SM0CTL1_PGLEN(page_len),
i2c->base + REG_SM0CTL1_REG);
return mtk_i2c_wait_idle(i2c);
}
-static int mtk_i2c_master_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs,
+static int mtk_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs,
int num)
{
struct mtk_i2c *i2c;
@@ -157,7 +157,7 @@ static int mtk_i2c_master_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs,
goto err_timeout;
/* start sequence */
- ret = mtk_i2c_master_start(i2c);
+ ret = mtk_i2c_host_start(i2c);
if (ret)
goto err_timeout;
@@ -169,14 +169,14 @@ static int mtk_i2c_master_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs,
if (pmsg->flags & I2C_M_RD)
addr |= 1;
iowrite32(addr, i2c->base + REG_SM0D0_REG);
- ret = mtk_i2c_master_cmd(i2c, SM0CTL1_WRITE, 2);
+ ret = mtk_i2c_host_cmd(i2c, SM0CTL1_WRITE, 2);
if (ret)
goto err_timeout;
} else {
/* 7 bits address */
addr = i2c_8bit_addr_from_msg(pmsg);
iowrite32(addr, i2c->base + REG_SM0D0_REG);
- ret = mtk_i2c_master_cmd(i2c, SM0CTL1_WRITE, 1);
+ ret = mtk_i2c_host_cmd(i2c, SM0CTL1_WRITE, 1);
if (ret)
goto err_timeout;
}
@@ -202,7 +202,7 @@ static int mtk_i2c_master_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs,
cmd = SM0CTL1_WRITE;
}
- ret = mtk_i2c_master_cmd(i2c, cmd, page_len);
+ ret = mtk_i2c_host_cmd(i2c, cmd, page_len);
if (ret)
goto err_timeout;
@@ -222,7 +222,7 @@ static int mtk_i2c_master_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs,
}
}
- ret = mtk_i2c_master_stop(i2c);
+ ret = mtk_i2c_host_stop(i2c);
if (ret)
goto err_timeout;
@@ -230,7 +230,7 @@ static int mtk_i2c_master_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs,
return i;
err_ack:
- ret = mtk_i2c_master_stop(i2c);
+ ret = mtk_i2c_host_stop(i2c);
if (ret)
goto err_timeout;
return -ENXIO;
@@ -247,7 +247,7 @@ static u32 mtk_i2c_func(struct i2c_adapter *a)
}
static const struct i2c_algorithm mtk_i2c_algo = {
- .master_xfer = mtk_i2c_master_xfer,
+ .xfer = mtk_i2c_xfer,
.functionality = mtk_i2c_func,
};

Viele Grüße,
Stefan Roese

--
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