wangzhi-art commented on code in PR #15426:
URL: https://github.com/apache/nuttx/pull/15426#discussion_r1909789645
##########
arch/arm/src/am335x/am335x_serial.c:
##########
@@ -630,7 +642,7 @@ static inline void am335x_uart3config(void)
/* Step 1: Enable power to UART3 */
- flags = enter_critical_section();
+ flags = spin_lock_irqsave(&g_gpio_lock);
Review Comment:
Done.
##########
arch/arm64/src/imx9/imx9_lpspi.c:
##########
@@ -1797,8 +1809,12 @@ static inline void spi_dmatxstart(struct imx9_lpspidev_s
*priv)
struct spi_dev_s *imx9_lpspibus_initialize(int bus)
{
struct imx9_lpspidev_s *priv = NULL;
+ irqstate_t flags_1;
+ irqstate_t flags_2;
+
+ /* Implementing atomic operations. */
- irqstate_t flags = enter_critical_section();
+ flags_1 = spin_lock_irqsave(&g_lpspi_lock);
Review Comment:
Done.
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