Hello Chris,
On 22/11/2022 03:03, chr...@rtems.org wrote:
+static void versal_uart_write_support(
+ rtems_termios_device_context *base,
+ const char *buf,
+ size_t len
+)
+{
+#ifdef VERSAL_CONSOLE_USE_INTERRUPTS
+ versal_uart_context *ctx = (versal_uart_context *) base;
+ volatile versal_uart *regs = ctx->regs;
+
+ if (len > 0) {
+ rtems_interrupt_lock_context lock_context;
+ size_t len_remaining = len;
+ const char *p = &buf[0];
+ rtems_interrupt_lock_acquire(&ctx->interrupt_lock, &lock_context);
you don't need an extra interrupt lock. The rtems_termios_device_context
already contains an interrupt lock, see
rtems_termios_device_lock_acquire(). This lock is held while the write
support handler is called.
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