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Diffstat (limited to 'drivers/i2c')
-rw-r--r--drivers/i2c/busses/i2c-i801.c66
1 files changed, 33 insertions, 33 deletions
diff --git a/drivers/i2c/busses/i2c-i801.c b/drivers/i2c/busses/i2c-i801.c
index 614c9e4ffba..73bd8552734 100644
--- a/drivers/i2c/busses/i2c-i801.c
+++ b/drivers/i2c/busses/i2c-i801.c
@@ -134,18 +134,18 @@ static unsigned int i801_features;
static int i801_transaction(int xact)
{
- int temp;
+ int status;
int result = 0;
int timeout = 0;
/* Make sure the SMBus host is ready to start transmitting */
/* 0x1f = Failed, Bus_Err, Dev_Err, Intr, Host_Busy */
- if ((temp = (0x1f & inb_p(SMBHSTSTS))) != 0x00) {
+ if ((status = (0x1f & inb_p(SMBHSTSTS))) != 0x00) {
dev_dbg(&I801_dev->dev, "SMBus busy (%02x). Resetting...\n",
- temp);
- outb_p(temp, SMBHSTSTS);
- if ((temp = (0x1f & inb_p(SMBHSTSTS))) != 0x00) {
- dev_dbg(&I801_dev->dev, "Failed! (%02x)\n", temp);
+ status);
+ outb_p(status, SMBHSTSTS);
+ if ((status = (0x1f & inb_p(SMBHSTSTS))) != 0x00) {
+ dev_dbg(&I801_dev->dev, "Failed! (%02x)\n", status);
return -EBUSY;
} else {
dev_dbg(&I801_dev->dev, "Successful!\n");
@@ -159,8 +159,8 @@ static int i801_transaction(int xact)
/* We will always wait for a fraction of a second! */
do {
msleep(1);
- temp = inb_p(SMBHSTSTS);
- } while ((temp & SMBHSTSTS_HOST_BUSY) && (timeout++ < MAX_TIMEOUT));
+ status = inb_p(SMBHSTSTS);
+ } while ((status & SMBHSTSTS_HOST_BUSY) && (timeout++ < MAX_TIMEOUT));
/* If the SMBus is still busy, we give up */
if (timeout >= MAX_TIMEOUT) {
@@ -173,17 +173,17 @@ static int i801_transaction(int xact)
outb_p(inb_p(SMBHSTCNT) & (~SMBHSTCNT_KILL), SMBHSTCNT);
}
- if (temp & SMBHSTSTS_FAILED) {
+ if (status & SMBHSTSTS_FAILED) {
result = -EIO;
dev_dbg(&I801_dev->dev, "Error: Failed bus transaction\n");
}
- if (temp & SMBHSTSTS_BUS_ERR) {
+ if (status & SMBHSTSTS_BUS_ERR) {
result = -EAGAIN;
dev_dbg(&I801_dev->dev, "Lost arbitration\n");
}
- if (temp & SMBHSTSTS_DEV_ERR) {
+ if (status & SMBHSTSTS_DEV_ERR) {
result = -ENXIO;
dev_dbg(&I801_dev->dev, "Error: no response!\n");
}
@@ -191,9 +191,9 @@ static int i801_transaction(int xact)
if ((inb_p(SMBHSTSTS) & 0x1f) != 0x00)
outb_p(inb(SMBHSTSTS), SMBHSTSTS);
- if ((temp = (0x1f & inb_p(SMBHSTSTS))) != 0x00) {
+ if ((status = (0x1f & inb_p(SMBHSTSTS))) != 0x00) {
dev_dbg(&I801_dev->dev, "Failed reset at end of transaction "
- "(%02x)\n", temp);
+ "(%02x)\n", status);
}
return result;
}
@@ -202,18 +202,18 @@ static int i801_transaction(int xact)
static void i801_wait_hwpec(void)
{
int timeout = 0;
- int temp;
+ int status;
do {
msleep(1);
- temp = inb_p(SMBHSTSTS);
- } while ((!(temp & SMBHSTSTS_INTR))
+ status = inb_p(SMBHSTSTS);
+ } while ((!(status & SMBHSTSTS_INTR))
&& (timeout++ < MAX_TIMEOUT));
if (timeout >= MAX_TIMEOUT) {
dev_dbg(&I801_dev->dev, "PEC Timeout!\n");
}
- outb_p(temp, SMBHSTSTS);
+ outb_p(status, SMBHSTSTS);
}
static int i801_block_transaction_by_block(union i2c_smbus_data *data,
@@ -255,7 +255,7 @@ static int i801_block_transaction_byte_by_byte(union i2c_smbus_data *data,
{
int i, len;
int smbcmd;
- int temp;
+ int status;
int result = 0;
int timeout;
unsigned char errmask;
@@ -283,7 +283,7 @@ static int i801_block_transaction_byte_by_byte(union i2c_smbus_data *data,
outb_p(smbcmd | ENABLE_INT9, SMBHSTCNT);
/* Make sure the SMBus host is ready to start transmitting */
- temp = inb_p(SMBHSTSTS);
+ status = inb_p(SMBHSTSTS);
if (i == 1) {
/* Erroneous conditions before transaction:
* Byte_Done, Failed, Bus_Err, Dev_Err, Intr, Host_Busy */
@@ -293,13 +293,13 @@ static int i801_block_transaction_byte_by_byte(union i2c_smbus_data *data,
* Failed, Bus_Err, Dev_Err, Intr */
errmask = 0x1e;
}
- if (temp & errmask) {
+ if (status & errmask) {
dev_dbg(&I801_dev->dev, "SMBus busy (%02x). "
- "Resetting...\n", temp);
- outb_p(temp, SMBHSTSTS);
- if (((temp = inb_p(SMBHSTSTS)) & errmask) != 0x00) {
+ "Resetting...\n", status);
+ outb_p(status, SMBHSTSTS);
+ if (((status = inb_p(SMBHSTSTS)) & errmask) != 0x00) {
dev_err(&I801_dev->dev,
- "Reset failed! (%02x)\n", temp);
+ "Reset failed! (%02x)\n", status);
return -EBUSY;
}
if (i != 1)
@@ -314,9 +314,9 @@ static int i801_block_transaction_byte_by_byte(union i2c_smbus_data *data,
timeout = 0;
do {
msleep(1);
- temp = inb_p(SMBHSTSTS);
+ status = inb_p(SMBHSTSTS);
}
- while ((!(temp & SMBHSTSTS_BYTE_DONE))
+ while ((!(status & SMBHSTSTS_BYTE_DONE))
&& (timeout++ < MAX_TIMEOUT));
/* If the SMBus is still busy, we give up */
@@ -332,14 +332,14 @@ static int i801_block_transaction_byte_by_byte(union i2c_smbus_data *data,
dev_dbg(&I801_dev->dev, "SMBus Timeout!\n");
}
- if (temp & SMBHSTSTS_FAILED) {
+ if (status & SMBHSTSTS_FAILED) {
result = -EIO;
dev_dbg(&I801_dev->dev,
"Error: Failed bus transaction\n");
- } else if (temp & SMBHSTSTS_BUS_ERR) {
+ } else if (status & SMBHSTSTS_BUS_ERR) {
result = -EAGAIN;
dev_dbg(&I801_dev->dev, "Lost arbitration\n");
- } else if (temp & SMBHSTSTS_DEV_ERR) {
+ } else if (status & SMBHSTSTS_DEV_ERR) {
result = -ENXIO;
dev_dbg(&I801_dev->dev, "Error: no response!\n");
}
@@ -357,13 +357,13 @@ static int i801_block_transaction_byte_by_byte(union i2c_smbus_data *data,
data->block[i] = inb_p(SMBBLKDAT);
if (read_write == I2C_SMBUS_WRITE && i+1 <= len)
outb_p(data->block[i+1], SMBBLKDAT);
- if ((temp & 0x9e) != 0x00)
- outb_p(temp, SMBHSTSTS); /* signals SMBBLKDAT ready */
+ if ((status & 0x9e) != 0x00)
+ outb_p(status, SMBHSTSTS); /* signals SMBBLKDAT ready */
- if ((temp = (0x1e & inb_p(SMBHSTSTS))) != 0x00) {
+ if ((status = (0x1e & inb_p(SMBHSTSTS))) != 0x00) {
dev_dbg(&I801_dev->dev,
"Bad status (%02x) at end of transaction\n",
- temp);
+ status);
}
if (result < 0)
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-30 20:40:46 +0000