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List:       linux-kernel
Subject:    [patch 14/30] floppy: provide a PNP device table in the module.
From:       Greg KH <gregkh () suse ! de>
Date:       2009-06-30 23:59:58
Message-ID: 20090701000358.476669583 () mini ! kroah ! org
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2.6.27-stable review patch.  If anyone has any objections, please let us know.

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

From: Scott James Remnant <scott@canonical.com>

commit 83f9ef463bcb4ba7b4fee1d6212fac7d277010d3 upstream.

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>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

---
 drivers/block/floppy.c |    8 ++++++++
 1 file changed, 8 insertions(+)

--- 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>
 
@@ -4572,6 +4573,13 @@ 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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