x86_64: generalize calgary_increase_split_completion_timeout

... will be used by CalIOC2 later

Signed-off-by: Muli Ben-Yehuda <muli@il.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/arch/x86_64/kernel/pci-calgary.c b/arch/x86_64/kernel/pci-calgary.c
index 5bd20b5..4b0c3ad 100644 (file)
--- a/arch/x86_64/kernel/pci-calgary.c
+++ b/arch/x86_64/kernel/pci-calgary.c
@@ -775,8 +775,8 @@ static void calgary_watchdog(unsigned long data)
        }
 }
 
-static void __init calgary_increase_split_completion_timeout(void __iomem *bbar,
-       unsigned char busnum)
+static void __init calgary_set_split_completion_timeout(void __iomem *bbar,
+       unsigned char busnum, unsigned long timeout)
 {
        u64 val64;
        void __iomem *target;
@@ -802,7 +802,7 @@ static void __init calgary_increase_split_completion_timeout(void __iomem *bbar,
        /* zero out this PHB's timer bits */
        mask = ~(0xFUL << phb_shift);
        val64 &= mask;
-       val64 |= (CCR_2SEC_TIMEOUT << phb_shift);
+       val64 |= (timeout << phb_shift);
        writeq(cpu_to_be64(val64), target);
        readq(target); /* flush */
 }
@@ -836,7 +836,8 @@ static void __init calgary_enable_translation(struct pci_dev *dev)
         * http://bugzilla.kernel.org/show_bug.cgi?id=7180
         */
        if (busnum == 1)
-               calgary_increase_split_completion_timeout(bbar, busnum);
+               calgary_set_split_completion_timeout(bbar, busnum,
+                                                    CCR_2SEC_TIMEOUT);
 
        init_timer(&tbl->watchdog_timer);
        tbl->watchdog_timer.function = &calgary_watchdog;