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arch/arm/rp23xx: update serial code smp fixes from cxd56

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Most of the code is the same, update to recent fixes

Signed-off-by: Serg Podtynnyi <serg@podtynnyi.com>
This commit is contained in:
Serg Podtynnyi 2025-05-03 23:54:19 +07:00 • committed by Alan C. Assis
parent e4d5c78008
commit bc4a52f910
1 changed files with 11 additions and 6 deletions
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17
arch/arm/src/rp23xx/rp23xx_serial.c
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@ -772,11 +772,11 @@ static int up_ioctl(struct file *filep, int cmd, unsigned long arg)
#endif
priv->baud = cfgetispeed(termiosp);
spin_unlock_irqrestore(&priv->lock, flags);
/* Configure the UART line format and speed. */
up_set_format(dev);
spin_unlock_irqrestore(&priv->lock, flags);
}
break;
#endif
@ -903,7 +903,7 @@ static void up_txint(struct uart_dev_s *dev, bool enable)
struct up_dev_s *priv = (struct up_dev_s *)dev->priv;
irqstate_t flags;
flags = enter_critical_section();
flags = spin_lock_irqsave(&priv->lock);
if (enable)
{
#ifndef CONFIG_SUPPRESS_SERIAL_INTS
@ -914,7 +914,13 @@ static void up_txint(struct uart_dev_s *dev, bool enable)
* interrupts disabled (note this may recurse).
*/
# ifdef CONFIG_SMP
spin_unlock_irqrestore(&priv->lock, flags);
# endif
uart_xmitchars(dev);
# ifdef CONFIG_SMP
flags = spin_lock_irqsave(&priv->lock);
# endif
#endif
}
else
@ -922,8 +928,7 @@ static void up_txint(struct uart_dev_s *dev, bool enable)
priv->ier &= ~RP23XX_UART_UARTICR_TXIC;
up_serialout(priv, RP23XX_UART_UARTIMSC_OFFSET, priv->ier);
}
leave_critical_section(flags);
spin_unlock_irqrestore(&priv->lock, flags);
}
/****************************************************************************
@ -967,7 +972,7 @@ static bool up_txempty(struct uart_dev_s *dev)
*
* Description:
* Performs the low level UART initialization early in debug so that the
* serial console will be available during bootup. This must be called
* serial console will be available during boot up. This must be called
* before arm_serialinit.
*
* NOTE: Configuration of the CONSOLE UART was performed by up_lowsetup()