[xen staging] x86: Add missing pci_dev forward declaration in asm/pci.h

[patchbot@xxxxxxx]

commit 461510e87e019ffc91cec1d968571b4be3ac8367
Author:     Alejandro Vallejo <agarciav@xxxxxxx>
AuthorDate: Wed Jun 4 12:11:14 2025 +0200
Commit:     Jan Beulich <jbeulich@xxxxxxxx>
CommitDate: Wed Jun 4 12:11:14 2025 +0200

    x86: Add missing pci_dev forward declaration in asm/pci.h
    
    struct pci_dev is used in function prototypes within the header, so it must
    be forward declared for asm/pci.h not to depend on xen/pci.h being included
    first.
    
    Not a functional change.
    
    Signed-off-by: Alejandro Vallejo <agarciav@xxxxxxx>
    Reviewed-by: Jason Andryuk <jason.andryuk@xxxxxxx>
    Reviewed-by: Stefano Stabellini <sstabellini@xxxxxxxxxx>
---
 xen/arch/x86/include/asm/pci.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/xen/arch/x86/include/asm/pci.h b/xen/arch/x86/include/asm/pci.h
index bed99437cc..2e67cba8b9 100644
--- a/xen/arch/x86/include/asm/pci.h
+++ b/xen/arch/x86/include/asm/pci.h
@@ -13,6 +13,8 @@
                         || (id) == 0x01128086 || (id) == 0x01228086 \
                         || (id) == 0x010A8086 )
 
+struct pci_dev;
+
 struct arch_pci_dev {
     vmask_t used_vectors;
     /*
--
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