x86: Change irq_already_routed to a local variable

This avoids using BSS before SDRAM is set up in SPL.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>

diff --git a/arch/x86/lib/pirq_routing.c b/arch/x86/lib/pirq_routing.c
index c98526d6aa865688bd17f320c7ef2275c0849436..5df3cab6c9cf1ea3014ea64fb4c4e9578cfa8b8e 100644 (file)
--- a/arch/x86/lib/pirq_routing.c
+++ b/arch/x86/lib/pirq_routing.c
@@ -11,9 +11,8 @@
 #include <asm/pci.h>
 #include <asm/pirq_routing.h>
 
-static bool irq_already_routed[16];
-
-static u8 pirq_get_next_free_irq(struct udevice *dev, u8 *pirq, u16 bitmap)
+static u8 pirq_get_next_free_irq(struct udevice *dev, u8 *pirq, u16 bitmap,
+                                bool irq_already_routed[])
 {
        int i, link;
        u8 irq = 0;
@@ -55,9 +54,11 @@ void pirq_route_irqs(struct udevice *dev, struct irq_info *irq, int num)
 {
        unsigned char irq_slot[MAX_INTX_ENTRIES];
        unsigned char pirq[CONFIG_MAX_PIRQ_LINKS];
+       bool irq_already_routed[16];
        int i, intx;
 
        memset(pirq, 0, CONFIG_MAX_PIRQ_LINKS);
+       memset(irq_already_routed, '\0', sizeof(irq_already_routed));
 
        /* Set PCI IRQs */
        for (i = 0; i < num; i++) {
@@ -83,7 +84,8 @@ void pirq_route_irqs(struct udevice *dev, struct irq_info *irq, int num)
 
                        /* yet not routed */
                        if (!pirq[link]) {
-                               irq = pirq_get_next_free_irq(dev, pirq, bitmap);
+                               irq = pirq_get_next_free_irq(dev, pirq, bitmap,
+                                               irq_already_routed);
                                pirq[link] = irq;
                        } else {
                                irq = pirq[link];