[PATCH v2 08/11] i2c: isch: Unify the name of the variable to hold an error code

Andy Shevchenko
2024-09-16T12:02:48Z

There are two different names used for the variable that holds
an error code. Unify to use one variant in all cases.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---
drivers/i2c/busses/i2c-isch.c | 15 +++++++--------
1 file changed, 7 insertions(+), 8 deletions(-)

diff --git a/drivers/i2c/busses/i2c-isch.c b/drivers/i2c/busses/i2c-isch.c
index e6b99913f4f3..d71a42fd9dd9 100644
--- a/drivers/i2c/busses/i2c-isch.c
+++ b/drivers/i2c/busses/i2c-isch.c
@@ -79,7 +79,7 @@ static int sch_transaction(struct i2c_adapter *adap)
{
struct sch_i2c *priv = container_of(adap, struct sch_i2c, adapter);
int temp;
- int result = 0;
+ int rc;

dev_dbg(&adap->dev,
"Transaction (pre): CNT=%02x, CMD=%02x, ADD=%02x, DAT0=%02x, DAT1=%02x\n",
@@ -108,17 +108,16 @@ static int sch_transaction(struct i2c_adapter *adap)
temp |= 0x10;
sch_io_wr8(priv, SMBHSTCNT, temp);

- result = read_poll_timeout(sch_io_rd8, temp, !(temp & 0x08), 200, 500000, true,
- priv, SMBHSTSTS);
+ rc = read_poll_timeout(sch_io_rd8, temp, !(temp & 0x08), 200, 500000, true, priv, SMBHSTSTS);
/* If the SMBus is still busy, we give up */
- if (result) {
+ if (rc) {
dev_err(&adap->dev, "SMBus Timeout!\n");
} else if (temp & 0x04) {
- result = -EIO;
+ rc = -EIO;
dev_dbg(&adap->dev, "Bus collision! SMBus may be locked until next hard reset. (sorry!)\n");
/* Clock stops and target is stuck in mid-transmission */
} else if (temp & 0x02) {
- result = -EIO;
+ rc = -EIO;
dev_err(&adap->dev, "Error: no response!\n");
} else if (temp & 0x01) {
dev_dbg(&adap->dev, "Post complete!\n");
@@ -130,14 +129,14 @@ static int sch_transaction(struct i2c_adapter *adap)
"Failed reset at end of transaction (%02x), Bus error!\n", temp);
}
} else {
- result = -ENXIO;
+ rc = -ENXIO;
dev_dbg(&adap->dev, "No such address.\n");
}
dev_dbg(&adap->dev, "Transaction (post): CNT=%02x, CMD=%02x, ADD=%02x, DAT0=%02x, DAT1=%02x\n",
sch_io_rd8(priv, SMBHSTCNT), sch_io_rd8(priv, SMBHSTCMD),
sch_io_rd8(priv, SMBHSTADD),
sch_io_rd8(priv, SMBHSTDAT0), sch_io_rd8(priv, SMBHSTDAT1));
- return result;
+ return rc;
}

/*
--
2.43.0.rc1.1336.g36b5255a03ac