xiaoxiang781216 commented on code in PR #16719:
URL: https://github.com/apache/nuttx/pull/16719#discussion_r2203269181
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arch/arm64/src/zynq-mpsoc/zynq_serial.c:
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@@ -1024,6 +1024,9 @@ static void zynq_uart_txint(struct uart_dev_s *dev, bool
enable)
{
struct zynq_uart_port_s *port = (struct zynq_uart_port_s *)dev->priv;
struct zynq_uart_config *config = &port->config;
+ irqstate_t flags;
+
+ flags = enter_critical_section();
Review Comment:
let's add spinlock to zynq_uart_port_s and use it
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