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sfc: Read-to-clear LM87 alarm/interrupt status at start of day
author
Ben Hutchings
<bhutchings@solarflare.com>
Thu, 2 Dec 2010 13:46:31 +0000
(13:46 +0000)
committer
David S. Miller
<davem@davemloft.net>
Fri, 3 Dec 2010 17:08:04 +0000
(09:08 -0800)
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>
drivers/net/sfc/falcon_boards.c
patch
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diff --git
a/drivers/net/sfc/falcon_boards.c
b/drivers/net/sfc/falcon_boards.c
index
86180ee
..
6c20d45
100644
(file)
--- 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;