Comments
Patch
===================================================================
@@ -702,29 +702,32 @@
*/
BOOL AMD_CpuFindCapability (u8 node, u8 cap_count, u8 *offset)
{
+ u32 reg;
u32 val;
-
+
/* get start of CPU HT Host Capabilities */
val = pci_read_config32(NODE_PCI(node, 0), 0x34);
- val &= 0xFF;
+ val &= 0xFF; //reg offset of first link
cap_count++;
/* Traverse through the capabilities. */
do {
- val = pci_read_config32(NODE_PCI(node, 0), val);
+ reg = pci_read_config32(NODE_PCI(node, 0), val);
/* Is the capability block a HyperTransport capability
block? */
- if ((val & 0xFF) == 0x08) {
+ if ((reg & 0xFF) == 0x08) {
/* Is the HT capability block an HT Host
Capability? */
- if ((val & 0xE0000000) == (1 << 29))
+ if ((reg & 0xE0000000) == (1 << 29))
cap_count--;
}
- if (cap_count)
- val = (val >> 8) & 0xFF;
+
+ if(cap_count)
+ val = (reg >> 8) & 0xFF; //update reg offset
} while (cap_count && val);
*offset = (u8) val;
+
/* If requested capability found val != 0 */
Sorry this took so long, here's the patch again with a sign off: if (!cap_count) return TRUE; Signed-off-by: Maximilian Thuermer <maximilian.thuermer@ziti.uni-heidelberg.de>