[SCSI] mptfusion: print Doorbell register in a case of hard reset and timeout

Printing Doorbell register in a case of hard reset and timeout
should be useful for figuring out the state of the system.

Signed-off-by: Kei Tokunaga <tokunaga.keiich@jp.fujitsu.com>
Acked-by: "Desai, Kashyap" <Kashyap.Desai@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>

1 files changed, 14 insertions, 4 deletions

diff --git a/drivers/message/fusion/mptctl.c b/drivers/message/fusion/mptctl.c
index 9bd89cebb5a9..40046f595f1c 100644
--- a/drivers/message/fusion/mptctl.c
+++ b/drivers/message/fusion/mptctl.c
@@ -954,9 +954,12 @@ retry_wait:
                         mpt_free_msg_frame(iocp, mf);
                         goto fwdl_out;
                 }
-                if (!timeleft)
+                if (!timeleft) {
+                        printk(MYIOC_s_WARN_FMT
+                               "FW download timeout, doorbell=0x%08x\n",
+                               iocp->name, mpt_GetIocState(iocp, 0));
                         mptctl_timeout_expired(iocp, mf);
-                else
+                } else
                         goto retry_wait;
                 goto fwdl_out;
         }
@@ -2301,6 +2304,10 @@ retry_wait:
                         goto done_free_mem;
                 }
                 if (!timeleft) {
+                        printk(MYIOC_s_WARN_FMT
+                               "mpt cmd timeout, doorbell=0x%08x"
+                               " function=0x%x\n",
+                               ioc->name, mpt_GetIocState(ioc, 0), function);
                         if (function == MPI_FUNCTION_SCSI_TASK_MGMT)
                                 mutex_unlock(&ioc->taskmgmt_cmds.mutex);
                         mptctl_timeout_expired(ioc, mf);
@@ -2608,9 +2615,12 @@ retry_wait:
                         mpt_free_msg_frame(ioc, mf);
                         goto out;
                 }
-                if (!timeleft)
+                if (!timeleft) {
+                        printk(MYIOC_s_WARN_FMT
+                               "HOST INFO command timeout, doorbell=0x%08x\n",
+                               ioc->name, mpt_GetIocState(ioc, 0));
                         mptctl_timeout_expired(ioc, mf);
-                else
+                } else
                         goto retry_wait;
                 goto out;
         }