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authorNeilBrown <neilb@suse.de>2012-08-01 20:40:02 +1000
committerNeilBrown <neilb@suse.de>2012-08-01 20:40:02 +1000
commitbb181e2e48f8c85db08c9cb015cbba9618dbf05c (patch)
tree191bc24dd97bcb174535cc217af082f16da3b43d /drivers/net/ethernet/sfc/mcdi.c
parentd57368afe63b3b7b45ce6c2b8c5276417935be2f (diff)
parentc039c332f23e794deb6d6f37b9f07ff3b27fb2cf (diff)
Merge commit 'c039c332f23e794deb6d6f37b9f07ff3b27fb2cf' into md
Pull in pre-requisites for adding raid10 support to dm-raid.
Diffstat (limited to 'drivers/net/ethernet/sfc/mcdi.c')
-rw-r--r--drivers/net/ethernet/sfc/mcdi.c11
1 files changed, 8 insertions, 3 deletions
diff --git a/drivers/net/ethernet/sfc/mcdi.c b/drivers/net/ethernet/sfc/mcdi.c
index 17b6463e459c..fc5e7bbcbc9e 100644
--- a/drivers/net/ethernet/sfc/mcdi.c
+++ b/drivers/net/ethernet/sfc/mcdi.c
@@ -1001,12 +1001,17 @@ static void efx_mcdi_exit_assertion(struct efx_nic *efx)
{
u8 inbuf[MC_CMD_REBOOT_IN_LEN];
- /* Atomically reboot the mcfw out of the assertion handler */
+ /* If the MC is running debug firmware, it might now be
+ * waiting for a debugger to attach, but we just want it to
+ * reboot. We set a flag that makes the command a no-op if it
+ * has already done so. We don't know what return code to
+ * expect (0 or -EIO), so ignore it.
+ */
BUILD_BUG_ON(MC_CMD_REBOOT_OUT_LEN != 0);
MCDI_SET_DWORD(inbuf, REBOOT_IN_FLAGS,
MC_CMD_REBOOT_FLAGS_AFTER_ASSERTION);
- efx_mcdi_rpc(efx, MC_CMD_REBOOT, inbuf, MC_CMD_REBOOT_IN_LEN,
- NULL, 0, NULL);
+ (void) efx_mcdi_rpc(efx, MC_CMD_REBOOT, inbuf, MC_CMD_REBOOT_IN_LEN,
+ NULL, 0, NULL);
}
int efx_mcdi_handle_assertion(struct efx_nic *efx)