PCI: Add helper function msi_desc_to_pci_sysdata()

Add helper function msi_desc_to_pci_sysdata() to retrieve sysdata from
an MSI descriptor. To avoid pulling include/linux/pci.h into
include/linux/msi.h, msi_desc_to_pci_sysdata() is implemented as a normal
function instead of an inline function.

Signed-off-by: Jiang Liu <[email protected]>
Reviewed-by: Yijing Wang <[email protected]>
Acked-by: Bjorn Helgaas <[email protected]>
Cc: Tony Luck <[email protected]>
Cc: [email protected]
Cc: Grant Likely <[email protected]>
Cc: Marc Zyngier <[email protected]>
Cc: Stuart Yoder <[email protected]>
Cc: Borislav Petkov <[email protected]>
Cc: Alexander Gordeev <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Thomas Gleixner <[email protected]>

0 files changed, 0 insertions, 0 deletions