gpio config

hc

2024-11-01 830ce1f69238136c0197858242f16cf44e0d6cb9

 kernel/drivers/tty/serial/st-asc.c
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@@ -908,6 +908,29 @@
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 		spin_unlock_irqrestore(&port->lock, flags);
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 }
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+#ifdef CONFIG_RAW_PRINTK
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+
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+static void asc_console_write_raw(struct console *co,
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+				  const char *s, unsigned int count)
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+{
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+	struct uart_port *port = &asc_ports[co->index].port;
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+	unsigned long timeout = 1000000;
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+	u32 intenable;
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+
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+	intenable = asc_in(port, ASC_INTEN);
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+	asc_out(port, ASC_INTEN, 0);
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+	(void)asc_in(port, ASC_INTEN);	/* Defeat bus write posting */
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+
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+	uart_console_write(port, s, count, asc_console_putchar);
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+
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+	while (timeout-- && !asc_txfifo_is_empty(port))
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+		cpu_relax();	/* wait shorter */
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+
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+	asc_out(port, ASC_INTEN, intenable);
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+}
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+
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+#endif
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+
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 static int asc_console_setup(struct console *co, char *options)
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 {
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 	struct asc_port *ascport;
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@@ -940,6 +963,9 @@
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 	.name		= ASC_SERIAL_NAME,
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 	.device		= uart_console_device,
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 	.write		= asc_console_write,
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+#ifdef CONFIG_RAW_PRINTK
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+	.write_raw	= asc_console_write_raw,
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+#endif
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 	.setup		= asc_console_setup,
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 	.flags		= CON_PRINTBUFFER,
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 	.index		= -1,