On Thu, Aug 17, 2023 at 02:13:18PM -0700, Justin Chen wrote:
The 8250 BCM7271 UART is not a direct match to PORT_16550A and other
generic ports do not match its hardware capabilities. PORT_ALTR matches
the rx trigger levels, but its vendor configurations are not compatible.
Unfortunately this means we need to create another port to fully capture
the hardware capabilities of the BCM7271 UART.
To alleviate some latency pressures, we default the rx trigger level to 8.
...
+ .flags = UART_CAP_FIFO | UART_CAP_AFE
Leave trailing comma
...
+/* Broadcom BCM7271 UART */
+#define PORT_BCM7271 76
13 is free why not using it?
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