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authorHidehiro Kawai <hidehiro.kawai.ez@hitachi.com>2015-07-27 14:55:16 +0900
committerCorey Minyard <cminyard@mvista.com>2015-09-03 15:02:28 -0500
commite45361d733d0a1432b0f6307375045e66ac02489 (patch)
tree7d62988ec879dc606186b02855f7e9e55277f267 /drivers/char/ipmi
parentb0868dd5c17c0d9cc8919e786db2e428aa225621 (diff)
downloadlinux-e45361d733d0a1432b0f6307375045e66ac02489.tar.bz2
ipmi: Factor out message flushing procedure
Factor out message flushing procedure which is used in run-to-completion mode. This patch doesn't change the logic. Signed-off-by: Hidehiro Kawai <hidehiro.kawai.ez@hitachi.com> Signed-off-by: Corey Minyard <cminyard@mvista.com>
Diffstat (limited to 'drivers/char/ipmi')
-rw-r--r--drivers/char/ipmi/ipmi_si_intf.c39
1 files changed, 18 insertions, 21 deletions
diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c
index 4a4a13dc98b3..5bd6d5b974cd 100644
--- a/drivers/char/ipmi/ipmi_si_intf.c
+++ b/drivers/char/ipmi/ipmi_si_intf.c
@@ -924,11 +924,25 @@ static void check_start_timer_thread(struct smi_info *smi_info)
}
}
+static void flush_messages(struct smi_info *smi_info)
+{
+ enum si_sm_result result;
+
+ /*
+ * Currently, this function is called only in run-to-completion
+ * mode. This means we are single-threaded, no need for locks.
+ */
+ result = smi_event_handler(smi_info, 0);
+ while (result != SI_SM_IDLE) {
+ udelay(SI_SHORT_TIMEOUT_USEC);
+ result = smi_event_handler(smi_info, SI_SHORT_TIMEOUT_USEC);
+ }
+}
+
static void sender(void *send_info,
struct ipmi_smi_msg *msg)
{
struct smi_info *smi_info = send_info;
- enum si_sm_result result;
unsigned long flags;
debug_timestamp("Enqueue");
@@ -940,17 +954,7 @@ static void sender(void *send_info,
*/
smi_info->waiting_msg = msg;
- /*
- * Run to completion means we are single-threaded, no
- * need for locks.
- */
-
- result = smi_event_handler(smi_info, 0);
- while (result != SI_SM_IDLE) {
- udelay(SI_SHORT_TIMEOUT_USEC);
- result = smi_event_handler(smi_info,
- SI_SHORT_TIMEOUT_USEC);
- }
+ flush_messages(smi_info);
return;
}
@@ -971,17 +975,10 @@ static void sender(void *send_info,
static void set_run_to_completion(void *send_info, bool i_run_to_completion)
{
struct smi_info *smi_info = send_info;
- enum si_sm_result result;
smi_info->run_to_completion = i_run_to_completion;
- if (i_run_to_completion) {
- result = smi_event_handler(smi_info, 0);
- while (result != SI_SM_IDLE) {
- udelay(SI_SHORT_TIMEOUT_USEC);
- result = smi_event_handler(smi_info,
- SI_SHORT_TIMEOUT_USEC);
- }
- }
+ if (i_run_to_completion)
+ flush_messages(smi_info);
}
/*