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path: root/drivers/i2c/busses/i2c-amd756-s4882.c
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Diffstat (limited to 'drivers/i2c/busses/i2c-amd756-s4882.c')
-rw-r--r--drivers/i2c/busses/i2c-amd756-s4882.c9
1 files changed, 4 insertions, 5 deletions
diff --git a/drivers/i2c/busses/i2c-amd756-s4882.c b/drivers/i2c/busses/i2c-amd756-s4882.c
index 72872d1e63ef..8ba2bcf727d3 100644
--- a/drivers/i2c/busses/i2c-amd756-s4882.c
+++ b/drivers/i2c/busses/i2c-amd756-s4882.c
@@ -155,6 +155,9 @@ static int __init amd756_s4882_init(void)
int i, error;
union i2c_smbus_data ioconfig;
+ if (!amd756_smbus.dev.parent)
+ return -ENODEV;
+
/* Configure the PCA9556 multiplexer */
ioconfig.byte = 0x00; /* All I/O to output mode */
error = i2c_smbus_xfer(&amd756_smbus, 0x18, 0, I2C_SMBUS_WRITE, 0x03,
@@ -168,11 +171,7 @@ static int __init amd756_s4882_init(void)
/* Unregister physical bus */
error = i2c_del_adapter(&amd756_smbus);
if (error) {
- if (error == -EINVAL)
- error = -ENODEV;
- else
- dev_err(&amd756_smbus.dev, "Physical bus removal "
- "failed\n");
+ dev_err(&amd756_smbus.dev, "Physical bus removal failed\n");
goto ERROR0;
}