aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/char/ipmi/ipmi_si_intf.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/char/ipmi/ipmi_si_intf.c')
-rw-r--r--drivers/char/ipmi/ipmi_si_intf.c19
1 files changed, 18 insertions, 1 deletions
diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c
index 77b8d551ae7f..5eac94cf4ff8 100644
--- a/drivers/char/ipmi/ipmi_si_intf.c
+++ b/drivers/char/ipmi/ipmi_si_intf.c
@@ -1316,6 +1316,7 @@ static int try_get_dev_id(struct smi_info *smi_info)
unsigned char *resp;
unsigned long resp_len;
int rv = 0;
+ unsigned int retry_count = 0;
resp = kmalloc(IPMI_MAX_MSG_LENGTH, GFP_KERNEL);
if (!resp)
@@ -1327,6 +1328,8 @@ static int try_get_dev_id(struct smi_info *smi_info)
*/
msg[0] = IPMI_NETFN_APP_REQUEST << 2;
msg[1] = IPMI_GET_DEVICE_ID_CMD;
+
+retry:
smi_info->handlers->start_transaction(smi_info->si_sm, msg, 2);
rv = wait_for_msg_done(smi_info);
@@ -1339,6 +1342,20 @@ static int try_get_dev_id(struct smi_info *smi_info)
/* Check and record info from the get device id, in case we need it. */
rv = ipmi_demangle_device_id(resp[0] >> 2, resp[1],
resp + 2, resp_len - 2, &smi_info->device_id);
+ if (rv) {
+ /* record completion code */
+ unsigned char cc = *(resp + 2);
+
+ if ((cc == IPMI_DEVICE_IN_FW_UPDATE_ERR
+ || cc == IPMI_DEVICE_IN_INIT_ERR
+ || cc == IPMI_NOT_IN_MY_STATE_ERR)
+ && ++retry_count <= GET_DEVICE_ID_MAX_RETRY) {
+ dev_warn(smi_info->io.dev,
+ "BMC returned 0x%2.2x, retry get bmc device id\n",
+ cc);
+ goto retry;
+ }
+ }
out:
kfree(resp);
@@ -1963,7 +1980,7 @@ static int try_smi_init(struct smi_info *new_smi)
/* Do this early so it's available for logs. */
if (!new_smi->io.dev) {
pr_err("IPMI interface added with no device\n");
- rv = EIO;
+ rv = -EIO;
goto out_err;
}