Revision 2:
- delete the pch_err completly instead of changing to pch_dbg
because there is already a pch_dbg at the function who calls
pch_i2c_getack.
- Fixed message line issue
Using the i2c-eg20t driver and call i2cdetect or probe on the bus,
the driver will print a lot of error messages if there was no ACK
received.
i2cdetect normally print a table with all the available devices. If there
is no device on the address, the table will be empty.
Currently with the i2c-eg20t driver, the table is not visible because
the error messages destroy the table.
Error message: pch_i2c_getack return -71
This patch prevent the driver to print the messages to syslog.
The pch_i2c_wait_for_check_xfer function is the only one who is
calling pch_i2c_getack, and there is already a dbg print if it fails,
so we can delete the pch_err in pch_i2c_getack completly.
Fixed print message to be a one liner so we can grep for the
error message.
Tested on Intel Atom E6xx and Eg20t Chipset.
Signed-off-by: Andreas Werner <[email protected]>
---
drivers/i2c/busses/i2c-eg20t.c | 7 ++-----
1 file changed, 2 insertions(+), 5 deletions(-)
diff --git a/drivers/i2c/busses/i2c-eg20t.c b/drivers/i2c/busses/i2c-eg20t.c
index 0f37529..5c39f90 100644
--- a/drivers/i2c/busses/i2c-eg20t.c
+++ b/drivers/i2c/busses/i2c-eg20t.c
@@ -321,10 +321,8 @@ static s32 pch_i2c_getack(struct i2c_algo_pch_data *adap)
void __iomem *p = adap->pch_base_address;
reg_val = ioread32(p + PCH_I2CSR) & PCH_GETACK;
- if (reg_val != 0) {
- pch_err(adap, "return%d\n", -EPROTO);
+ if (reg_val != 0)
return -EPROTO;
- }
return 0;
}
@@ -367,8 +365,7 @@ static int pch_i2c_wait_for_check_xfer(struct
i2c_algo_pch_data *adap)
adap->pch_event_flag = 0;
if (pch_i2c_getack(adap)) {
- pch_dbg(adap, "Receive NACK for slave address"
- "setting\n");
+ pch_dbg(adap, "Receive NACK for slave address setting\n");
return -EIO;
}
--
1.8.4
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