This is a note to let you know that I've just added the patch titled
usb/xhci: fix compilation warning when !CONFIG_PCI && !CONFIG_PM
to the 3.4-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-xhci-fix-compilation-warning-when-config_pci-config_pm.patch
and it can be found in the queue-3.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <[email protected]> know about it.
>From 01bb59ebffdec314da8da66266edf29529372f9b Mon Sep 17 00:00:00 2001
From: David Cohen <[email protected]>
Date: Fri, 25 Apr 2014 19:20:16 +0300
Subject: usb/xhci: fix compilation warning when !CONFIG_PCI && !CONFIG_PM
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
From: David Cohen <[email protected]>
commit 01bb59ebffdec314da8da66266edf29529372f9b upstream.
When CONFIG_PCI and CONFIG_PM are not selected, xhci.c gets this
warning:
drivers/usb/host/xhci.c:409:13: warning: ‘xhci_msix_sync_irqs’ defined
but not used [-Wunused-function]
Instead of creating nested #ifdefs, this patch fixes it by defining the
xHCI PCI stubs as inline.
This warning has been in since 3.2 kernel and was
caused by commit 421aa841a134f6a743111cf44d0c6d3b45e3cf8c
"usb/xhci: hide MSI code behind PCI bars", but wasn't noticed
until 3.13 when a configuration with these options was tried
Signed-off-by: David Cohen <[email protected]>
Signed-off-by: Mathias Nyman <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
drivers/usb/host/xhci.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -394,16 +394,16 @@ static int xhci_try_enable_msi(struct us
#else
-static int xhci_try_enable_msi(struct usb_hcd *hcd)
+static inline int xhci_try_enable_msi(struct usb_hcd *hcd)
{
return 0;
}
-static void xhci_cleanup_msix(struct xhci_hcd *xhci)
+static inline void xhci_cleanup_msix(struct xhci_hcd *xhci)
{
}
-static void xhci_msix_sync_irqs(struct xhci_hcd *xhci)
+static inline void xhci_msix_sync_irqs(struct xhci_hcd *xhci)
{
}
Patches currently in stable-queue which might be from
[email protected] are
queue-3.4/usb-xhci-fix-compilation-warning-when-config_pci-config_pm.patch
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