From adc1d234116c22247e3886fb6e9bef450a0110f2 Mon Sep 17 00:00:00 2001 From: Ben Hutchings Date: Thu, 2 Dec 2010 13:46:31 +0000 Subject: [PATCH] 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 Signed-off-by: David S. Miller --- drivers/net/sfc/falcon_boards.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/net/sfc/falcon_boards.c b/drivers/net/sfc/falcon_boards.c index 86180ee02ec0..6c20d4569d81 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;