From e45361d733d0a1432b0f6307375045e66ac02489 Mon Sep 17 00:00:00 2001 From: Hidehiro Kawai Date: Mon, 27 Jul 2015 14:55:16 +0900 Subject: [PATCH] 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 Signed-off-by: Corey Minyard --- drivers/char/ipmi/ipmi_si_intf.c | 39 +++++++++++++++----------------- 1 file 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); } /* -- 2.20.1