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esp32_emac.c: Use device specific locks.

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Signed-off-by: Abdelatif Guettouche <abdelatif.guettouche@espressif.com>
This commit is contained in:
Abdelatif Guettouche 2021-09-09 13:02:04 +02:00 committed by Xiang Xiao
parent e64390d5e9
commit 4ae1285124
1 changed files with 7 additions and 2 deletions
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9
arch/xtensa/src/esp32/esp32_emac.c
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@ -44,6 +44,7 @@
#include <nuttx/wqueue.h>
#include <nuttx/signal.h>
#include <nuttx/list.h>
#include <nuttx/spinlock.h>
#include <nuttx/net/ioctl.h>
#include <nuttx/net/net.h>
#include <nuttx/net/mii.h>
@ -231,6 +232,10 @@ struct esp32_emac_s
/* RX and TX buffer allocations */
uint8_t alloc[EMAC_BUF_NUM * EMAC_BUF_LEN];
/* Device specific lock. */
spinlock_t lock;
};
/****************************************************************************
@ -402,11 +407,11 @@ static inline uint8_t *emac_alloc_buffer(struct esp32_emac_s *priv)
/* Allocate a buffer by returning the head of the free buffer list */
flags = enter_critical_section();
flags = spin_lock_irqsave(&priv->lock);
p = (uint8_t *)sq_remfirst(&priv->freeb);
leave_critical_section(flags);
spin_unlock_irqrestore(&priv->lock, flags);
return p;
}