> not needed if hw has flow control capabilities. This patch adds a
> DT attribute for enabling hw flow control for a uart port. Also skip
> stop and start if this flag is present in flag field of the port
> structure.
That seems a sensible thing to add.
> - if (up->capabilities & UART_CAP_AFE && port->fifosize >= 32) {
> + if ((up->capabilities & UART_CAP_AFE && (port->fifosize >= 32)) ||
> + port->flags & UPF_HARD_FLOW) {
Surely you want brackets on the port->flags & UPF_HARD_FLOW ??
Alan
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