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up_putc: int up_putc, enter_critical_section may be called

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before kernel has been iniitialized,we use spin_lock_irqsave to replace.

Signed-off-by: hujun5 <hujun5@xiaomi.com>
This commit is contained in:
hujun5
2023-12-07 21:31:02 +08:00
committed by Xiang Xiao
parent 90f9ffc2e8
commit 5cee996588
45 changed files with 167 additions and 165 deletions
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arch/z80/src/z8/z8_serial.c
+4 -4
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@@ -253,7 +253,7 @@ static inline uint8_t z8_getuart(FAR struct z8_uart_s *priv, uint8_t offset)
static uint8_t z8_disableuartirq(FAR struct uart_dev_s *dev)
{
struct z8_uart_s *priv = (struct z8_uart_s *)dev->priv;
irqstate_t flags = enter_critical_section();
irqstate_t flags = spin_lock_irqsave(NULL);
uint8_t state = priv->rxenabled ?
STATE_RXENABLED : STATE_DISABLED | \
priv->txenabled ?
@@ -262,7 +262,7 @@ static uint8_t z8_disableuartirq(FAR struct uart_dev_s *dev)
z8_txint(dev, false);
z8_rxint(dev, false);
leave_critical_section(flags);
spin_unlock_irqrestore(NULL, flags);
return state;
}
@@ -272,12 +272,12 @@ static uint8_t z8_disableuartirq(FAR struct uart_dev_s *dev)
static void z8_restoreuartirq(FAR struct uart_dev_s *dev, uint8_t state)
{
irqstate_t flags = enter_critical_section();
irqstate_t flags = spin_lock_irqsave(NULL);
z8_txint(dev, (state & STATE_TXENABLED) ? true : false);
z8_rxint(dev, (state & STATE_RXENABLED) ? true : false);
leave_critical_section(flags);
spin_unlock_irqrestore(NULL, flags);
}
/****************************************************************************