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mm/iob: Remove initialized static variable inside iob_initialize

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since it's impossible to call iob_initialize twice

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
This commit is contained in:
Xiang Xiao
2022-03-12 04:04:08 +08:00
committed by Gustavo Henrique Nihei
parent b0786606fc
commit d9a442a859
1 changed files with 26 additions and 40 deletions
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mm/iob/iob_initialize.c
+10 -24
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@@ -73,12 +73,19 @@ FAR struct iob_qentry_s *g_iob_qcommitted;
/* Counting semaphores that tracks the number of free IOBs/qentries */ /* Counting semaphores that tracks the number of free IOBs/qentries */
sem_t g_iob_sem; /* Counts free I/O buffers */ sem_t g_iob_sem = SEM_INITIALIZER(CONFIG_IOB_NBUFFERS);
#if CONFIG_IOB_THROTTLE > 0 #if CONFIG_IOB_THROTTLE > 0
sem_t g_throttle_sem; /* Counts available I/O buffers when throttled */ /* Counts available I/O buffers when throttled */
sem_t g_throttle_sem = SEM_INITIALIZER(CONFIG_IOB_NBUFFERS -
CONFIG_IOB_THROTTLE);
#endif #endif
#if CONFIG_IOB_NCHAINS > 0 #if CONFIG_IOB_NCHAINS > 0
sem_t g_qentry_sem; /* Counts free I/O buffer queue containers */ /* Counts free I/O buffer queue containers */
sem_t g_qentry_sem = SEM_INITIALIZER(CONFIG_IOB_NCHAINS);
#endif #endif
/**************************************************************************** /****************************************************************************
@@ -95,13 +102,8 @@ sem_t g_qentry_sem; /* Counts free I/O buffer queue containers */
void iob_initialize(void) void iob_initialize(void)
{ {
static bool initialized = false;
int i; int i;
/* Perform one-time initialization */
if (!initialized)
{
/* Add each I/O buffer to the free list */ /* Add each I/O buffer to the free list */
for (i = 0; i < CONFIG_IOB_NBUFFERS; i++) for (i = 0; i < CONFIG_IOB_NBUFFERS; i++)
@@ -114,15 +116,6 @@ void iob_initialize(void)
g_iob_freelist = iob; g_iob_freelist = iob;
} }
g_iob_committed = NULL;
nxsem_init(&g_iob_sem, 0, CONFIG_IOB_NBUFFERS);
#if CONFIG_IOB_THROTTLE > 0
nxsem_init(&g_throttle_sem,
0,
CONFIG_IOB_NBUFFERS - CONFIG_IOB_THROTTLE);
#endif
#if CONFIG_IOB_NCHAINS > 0 #if CONFIG_IOB_NCHAINS > 0
/* Add each I/O buffer chain queue container to the free list */ /* Add each I/O buffer chain queue container to the free list */
@@ -137,12 +130,5 @@ void iob_initialize(void)
iobq->qe_flink = g_iob_freeqlist; iobq->qe_flink = g_iob_freeqlist;
g_iob_freeqlist = iobq; g_iob_freeqlist = iobq;
} }
g_iob_qcommitted = NULL;
nxsem_init(&g_qentry_sem, 0, CONFIG_IOB_NCHAINS);
#endif #endif
initialized = true;
}
} }