linux-kernel - [PATCH 4.4 021/117] [media] media: i2c: Dont export ir-kbd-i2c module alias

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Message-Id: <20160214222142.036663724@linuxfoundation.org>
Date:	Sun, 14 Feb 2016 14:20:58 -0800
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	stable@...r.kernel.org,
	Javier Martinez Canillas <javier@....samsung.com>
Subject: [PATCH 4.4 021/117] [media] media: i2c: Dont export ir-kbd-i2c module alias

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

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

From: Javier Martinez Canillas <javier@....samsung.com>

commit 329d88da4df9a96da43018aceabd3a06e6a7e7ae upstream.

This is a partial revert of commit ed8d1cf07cb16d ("[media] Export I2C
module alias information in missing drivers") that exported the module
aliases for the I2C drivers that were missing to make autoload to work.

But there is a bug report [0] that auto load of the ir-kbd-i2c driver
cause the Hauppauge HD-PVR driver to not behave correctly.

This is a hdpvr latent bug that was just exposed by ir-kbd-i2c module
autoloading working and will also happen if the I2C driver is built-in
or a user calls modprobe to load the module and register the driver.

But there is a regression experimented by users so until the real bug
is fixed, let's not export the module alias for the ir-kbd-i2c driver
even when this just masks the actual issue.

[0]: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=810726

Fixes: ed8d1cf07cb1 ("[media] Export I2C module alias information in missing drivers")

Signed-off-by: Javier Martinez Canillas <javier@....samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/media/i2c/ir-kbd-i2c.c |    1 -
 1 file changed, 1 deletion(-)

--- a/drivers/media/i2c/ir-kbd-i2c.c
+++ b/drivers/media/i2c/ir-kbd-i2c.c
@@ -478,7 +478,6 @@ static const struct i2c_device_id ir_kbd
 	{ "ir_rx_z8f0811_hdpvr", 0 },
 	{ }
 };
-MODULE_DEVICE_TABLE(i2c, ir_kbd_id);

 static struct i2c_driver ir_kbd_driver = {
 	.driver = {