[PATCH] Serial: Bugs are not capabilities (67f7654e) · Commits · e / devices / android_kernel_fairphone_FP4

drivers/serial/8250.c

+4 −4

Original line number	Diff line number	Diff line
		@@ -1037,7 +1037,7 @@ static void serial8250_start_tx(struct uart_port *port, unsigned int tty_start)
		up->ier \|= UART_IER_THRI;
		serial_out(up, UART_IER, up->ier);

		if (up->capabilities & UART_BUG_TXEN) {
		if (up->bugs & UART_BUG_TXEN) {
		unsigned char lsr, iir;
		lsr = serial_in(up, UART_LSR);
		iir = serial_in(up, UART_IIR);
		@@ -1564,13 +1564,13 @@ static int serial8250_startup(struct uart_port *port)
		serial_outp(up, UART_IER, 0);

		if (lsr & UART_LSR_TEMT && iir & UART_IIR_NO_INT) {
		if (!(up->capabilities & UART_BUG_TXEN)) {
		up->capabilities \|= UART_BUG_TXEN;
		if (!(up->bugs & UART_BUG_TXEN)) {
		up->bugs \|= UART_BUG_TXEN;
		pr_debug("ttyS%d - enabling bad tx status workarounds\n",
		port->line);
		}
		} else {
		up->capabilities &= ~UART_BUG_TXEN;
		up->bugs &= ~UART_BUG_TXEN;
		}

		spin_unlock_irqrestore(&up->port.lock, flags);