linux-kernel - linux-next: manual merge of the tty tree with the tty.current tree

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Date:   Wed, 2 Aug 2017 14:26:28 +1000
From:   Stephen Rothwell <sfr@...b.auug.org.au>
To:     Greg KH <greg@...ah.com>
Cc:     Linux-Next Mailing List <linux-next@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Sean Young <sean@...s.org>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Subject: linux-next: manual merge of the tty tree with the tty.current tree

Hi Greg,

Today's linux-next merge of the tty tree got a conflict in:

  drivers/tty/serial/8250/8250_core.c

between commit:

  9527b82ae3af ("Revert "serial: Delete dead code for CIR serial ports"")

from the tty.current tree and commit:

  c7ac15ce8924 ("serial: core: move UPF_NO_TXEN_TEST to quirks and rename")

from the tty tree.

I fixed it up (see below) and can carry the fix as necessary. This
is now fixed as far as linux-next is concerned, but any non trivial
conflicts should be mentioned to your upstream maintainer when your tree
is submitted for merging.  You may also want to consider cooperating
with the maintainer of the conflicting tree to minimise any particularly
complex conflicts.

-- 
Cheers,
Stephen Rothwell

diff --cc drivers/tty/serial/8250/8250_core.c
index 1aab3010fbfa,3db9d6e19660..000000000000
--- a/drivers/tty/serial/8250/8250_core.c
+++ b/drivers/tty/serial/8250/8250_core.c
@@@ -1043,24 -1043,14 +1043,25 @@@ int serial8250_register_8250_port(struc
  		if (up->dl_write)
  			uart->dl_write = up->dl_write;
  
 -		if (serial8250_isa_config != NULL)
 -			serial8250_isa_config(0, &uart->port,
 -					&uart->capabilities);
 +		if (uart->port.type != PORT_8250_CIR) {
 +			if (serial8250_isa_config != NULL)
 +				serial8250_isa_config(0, &uart->port,
 +						&uart->capabilities);
 +
++			serial8250_apply_quirks(uart);
 +			ret = uart_add_one_port(&serial8250_reg,
 +						&uart->port);
 +			if (ret == 0)
 +				ret = uart->port.line;
 +		} else {
 +			dev_info(uart->port.dev,
 +				"skipping CIR port at 0x%lx / 0x%llx, IRQ %d\n",
 +				uart->port.iobase,
 +				(unsigned long long)uart->port.mapbase,
 +				uart->port.irq);
  
 -		serial8250_apply_quirks(uart);
 -		ret = uart_add_one_port(&serial8250_reg, &uart->port);
 -		if (ret == 0)
 -			ret = uart->port.line;
 +			ret = 0;
 +		}
  	}
  	mutex_unlock(&serial_mutex);