This is a note to let you know that I've just added the patch titled
usb: make module xhci_hcd removable
to the 4.0-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
usb-make-module-xhci_hcd-removable.patch
and it can be found in the queue-4.0 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From b04c846ceaad42f9e37f3626c7e8f457603863f0 Mon Sep 17 00:00:00 2001
From: Arthur Demchenkov <spinal.by@xxxxxxxxx>
Date: Tue, 19 May 2015 16:30:50 +0300
Subject: usb: make module xhci_hcd removable
From: Arthur Demchenkov <spinal.by@xxxxxxxxx>
commit b04c846ceaad42f9e37f3626c7e8f457603863f0 upstream.
Fixed regression. After commit 29e409f0f761 ("xhci: Allow xHCI drivers to
be built as separate modules") the module xhci_hcd became non-removable.
That behaviour is not expected and there're no notes about it in commit
message. The module should be removable as it blocks PM suspend/resume
functions (Debian Bug#666406).
Signed-off-by: Arthur Demchenkov <spinal.by@xxxxxxxxx>
Reviewed-by: Andrew Bresticker <abrestic@xxxxxxxxxxxx>
Signed-off-by: Mathias Nyman <mathias.nyman@xxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/usb/host/xhci.c | 8 ++++++++
1 file changed, 8 insertions(+)
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -5022,4 +5022,12 @@ static int __init xhci_hcd_init(void)
BUILD_BUG_ON(sizeof(struct xhci_run_regs) != (8+8*128)*32/8);
return 0;
}
+
+/*
+ * If an init function is provided, an exit function must also be provided
+ * to allow module unload.
+ */
+static void __exit xhci_hcd_fini(void) { }
+
module_init(xhci_hcd_init);
+module_exit(xhci_hcd_fini);
Patches currently in stable-queue which might be from spinal.by@xxxxxxxxx are
queue-4.0/usb-make-module-xhci_hcd-removable.patch
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