linux-kernel - [PATCH 3.19.y-ckt 044/156] serial: 8250: bind to ALi Fast Infrared Controller (ALI5123)

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Message-Id: <1445377097-9921-45-git-send-email-kamal@canonical.com>
Date:	Tue, 20 Oct 2015 14:36:25 -0700
From:	Kamal Mostafa <kamal@...onical.com>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org,
	kernel-team@...ts.ubuntu.com
Cc:	Maciej Szmigiero <mail@...iej.szmigiero.name>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Kamal Mostafa <kamal@...onical.com>
Subject: [PATCH 3.19.y-ckt 044/156] serial: 8250: bind to ALi Fast Infrared Controller (ALI5123)

3.19.8-ckt8 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: "Maciej S. Szmigiero" <mail@...iej.szmigiero.name>

commit 1d7002777a8fe8188caaa98d4a8eb4ed298fcdae upstream.

This way this device can be used with irtty-sir -
at least on Toshiba Satellite A20-S103 it is not configured by default
and needs PNP activation before it starts to respond on I/O ports.

This device has actually its own driver (ali-ircc),
but this driver seems to be non-functional for a very long time
(see http://permalink.gmane.org/gmane.linux.irda.general/484
http://permalink.gmane.org/gmane.network.protocols.obex.openobex.user/943
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=535070 ).

Signed-off-by: Maciej Szmigiero <mail@...iej.szmigiero.name>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Signed-off-by: Kamal Mostafa <kamal@...onical.com>
---
 drivers/acpi/acpi_pnp.c            | 1 +
 drivers/tty/serial/8250/8250_pnp.c | 6 ++++++
 2 files changed, 7 insertions(+)

diff --git a/drivers/acpi/acpi_pnp.c b/drivers/acpi/acpi_pnp.c
index ff6d8ad..fb76552 100644
--- a/drivers/acpi/acpi_pnp.c
+++ b/drivers/acpi/acpi_pnp.c
@@ -153,6 +153,7 @@ static const struct acpi_device_id acpi_pnp_device_ids[] = {
 	{"AEI0250"},		/* PROLiNK 1456VH ISA PnP K56flex Fax Modem */
 	{"AEI1240"},		/* Actiontec ISA PNP 56K X2 Fax Modem */
 	{"AKY1021"},		/* Rockwell 56K ACF II Fax+Data+Voice Modem */
+	{"ALI5123"},		/* ALi Fast Infrared Controller */
 	{"AZT4001"},		/* AZT3005 PnP SOUND DEVICE */
 	{"BDP3336"},		/* Best Data Products Inc. Smart One 336F PnP Modem */
 	{"BRI0A49"},		/* Boca Complete Ofc Communicator 14.4 Data-FAX */
diff --git a/drivers/tty/serial/8250/8250_pnp.c b/drivers/tty/serial/8250/8250_pnp.c
index 2b22cc1..4ebb5d7 100644
--- a/drivers/tty/serial/8250/8250_pnp.c
+++ b/drivers/tty/serial/8250/8250_pnp.c
@@ -41,6 +41,12 @@ static const struct pnp_device_id pnp_dev_table[] = {
 	{	"AEI1240",		0	},
 	/* Rockwell 56K ACF II Fax+Data+Voice Modem */
 	{	"AKY1021",		0 /*SPCI_FL_NO_SHIRQ*/	},
+	/*
+	 * ALi Fast Infrared Controller
+	 * Native driver (ali-ircc) is broken so at least
+	 * it can be used with irtty-sir.
+	 */
+	{	"ALI5123",		0	},
 	/* AZT3005 PnP SOUND DEVICE */
 	{	"AZT4001",		0	},
 	/* Best Data Products Inc. Smart One 336F PnP Modem */
-- 
1.9.1

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