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drivers/pci: Add minor comment for maximum capability constant
authorFrediano Ziglio <frediano.ziglio@cloud.com>
Mon, 16 Jun 2025 08:13:48 +0000 (10:13 +0200)
committerJan Beulich <jbeulich@suse.com>
Mon, 16 Jun 2025 08:13:48 +0000 (10:13 +0200)
The comment is similar to extended capabilities in the function
below.

Signed-off-by: Frediano Ziglio <frediano.ziglio@cloud.com>
Acked-by: Jan Beulich <jbeulich@suse.com>
xen/drivers/pci/pci.c patch | blob | blame | history

diff --git a/xen/drivers/pci/pci.c b/xen/drivers/pci/pci.c
index acf4cebe42706c6d263bdc5fc540e1f2f0acd752..e1ddde90eb35cff56de29767fcf95c5273cae9ce 100644 (file)
--- a/xen/drivers/pci/pci.c
+++ b/xen/drivers/pci/pci.c
@@ -11,7 +11,7 @@
 unsigned int pci_find_cap_offset(pci_sbdf_t sbdf, unsigned int cap)
 {
     u8 id;
-    int max_cap = 48;
+    int max_cap = 48; /* 192 bytes, minimum 4 bytes per capability */
     u8 pos = PCI_CAPABILITY_LIST;
     u16 status;
 
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