floppy: provide a PNP device table in the module.

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From: Linux Kernel Mailing List
Date: Thursday, April 2, 2009 - 9:59 pm

Gitweb:     http://git.kernel.org/linus/83f9ef463bcb4ba7b4fee1d6212fac7d277010d3
Commit:     83f9ef463bcb4ba7b4fee1d6212fac7d277010d3
Parent:     97f76d3d197f201ac8a8a3ced5b8fef81568e50e
Author:     Scott James Remnant <scott@canonical.com>
AuthorDate: Thu Apr 2 16:56:47 2009 -0700
Committer:  Linus Torvalds <torvalds@linux-foundation.org>
CommitDate: Thu Apr 2 19:04:49 2009 -0700

    floppy: provide a PNP device table in the module.
    
    The missing device table means that the floppy module is not auto-loaded,
    even when the appropriate PNP device (0700) is found.
    
    We don't actually use the table in the module, since the device doesn't
    have a struct pnp_driver, but it's sufficient to cause an alias in the
    module that udev/modprobe will use.
    
    Signed-off-by: Scott James Remnant <scott@canonical.com>
    Signed-off-by: Tim Gardner <tim.gardner@canonical.com>
    Cc: Bjorn Helgaas <bjorn.helgaas@hp.com>
    Cc: Philippe De Muyter <phdm@macqel.be>
    Acked-by: Kay Sievers <kay.sievers@vrfy.org>
    Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
    Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/block/floppy.c |    8 ++++++++
 1 files changed, 8 insertions(+), 0 deletions(-)

diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c
index c2c95e6..1300df6 100644
--- a/drivers/block/floppy.c
+++ b/drivers/block/floppy.c
@@ -177,6 +177,7 @@ static int print_unex = 1;
 #include <linux/interrupt.h>
 #include <linux/init.h>
 #include <linux/platform_device.h>
+#include <linux/mod_devicetable.h>
 #include <linux/buffer_head.h>	/* for invalidate_buffers() */
 #include <linux/mutex.h>
 
@@ -4597,6 +4598,13 @@ MODULE_AUTHOR("Alain L. Knaff");
 MODULE_SUPPORTED_DEVICE("fd");
 MODULE_LICENSE("GPL");
 
+/* This doesn't actually get used other than for module information */
+static const struct pnp_device_id floppy_pnpids[] = {
+	{ "PNP0700", 0 },
+	{ }
+};
+MODULE_DEVICE_TABLE(pnp, floppy_pnpids);
+
 #else
 
 __setup("floppy=", floppy_setup);
--
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floppy: provide a PNP device table in the module., Linux Kernel Mailing ..., (Thu Apr 2, 9:59 pm)