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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>
This commit is contained in:
Simon Glass 2017-01-16 07:04:18 -07:00 committed by Bin Meng
parent a0c75f9080
commit 337705833c
1 changed files with 6 additions and 4 deletions
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10
arch/x86/lib/pirq_routing.c
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@ -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];