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authorBen Hutchings <bhutchings@solarflare.com>2010-12-02 13:46:31 (GMT)
committerDavid S. Miller <davem@davemloft.net>2010-12-03 17:08:04 (GMT)
commitadc1d234116c22247e3886fb6e9bef450a0110f2 (patch)
tree109e21c869ad87c02d3c3ce74f40f5626da98a36 /drivers/net/sfc
parent71839f7d162f973f5931d30d1376a2dc5c0bed5a (diff)
downloadlinux-adc1d234116c22247e3886fb6e9bef450a0110f2.tar.xz
sfc: Read-to-clear LM87 alarm/interrupt status at start of day
We do not want to shut down the board based on a fault that has already been cleared. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/sfc')
-rw-r--r--drivers/net/sfc/falcon_boards.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/net/sfc/falcon_boards.c b/drivers/net/sfc/falcon_boards.c
index 86180ee..6c20d45 100644
--- a/drivers/net/sfc/falcon_boards.c
+++ b/drivers/net/sfc/falcon_boards.c
@@ -99,6 +99,10 @@ static int efx_init_lm87(struct efx_nic *efx, struct i2c_board_info *info,
if (!client)
return -EIO;
+ /* Read-to-clear alarm/interrupt status */
+ i2c_smbus_read_byte_data(client, LM87_REG_ALARMS1);
+ i2c_smbus_read_byte_data(client, LM87_REG_ALARMS2);
+
rc = efx_poke_lm87(client, reg_values);
if (rc)
goto err;