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 c98526d..5df3cab 100644
--- 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 @@
{
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 @@
/* 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];