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authorTomi Valkeinen <tomi.valkeinen@ti.com>2012-09-03 09:26:33 +0300
committerTomi Valkeinen <tomi.valkeinen@ti.com>2012-09-03 09:26:33 +0300
commitc50e86ce7c2961a41f2f7aa6e4fd6c99229ba205 (patch)
tree4ea36009719bd8fc523239fe1bdccb90f0dce3ae /drivers/net/ethernet/sfc/mcdi.c
parent14d33d384693eb6083396199de516fdef320f7af (diff)
parent4cbe5a555fa58a79b6ecbb6c531b8bab0650778d (diff)
Merge tag 'v3.6-rc4'
Merge 3.6-rc4 to get latest OMAP and device tree fixes.
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 17b6463e459..fc5e7bbcbc9 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)