[PATCH] x86/devicetree: Fix compile warnings on AMD64

From: Ricardo Ribalda Delgado
Date: Tue Aug 05 2014 - 05:19:58 EST


arch/x86/kernel/devicetree.c: In function âioapic_xlateâ:
arch/x86/kernel/devicetree.c:294:8: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
idx = (__force u32) domain->host_data;
^
arch/x86/kernel/devicetree.c: In function âdt_add_ioapic_domainâ:
arch/x86/kernel/devicetree.c:323:4: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
(void *)ioapic_num);

Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@xxxxxxxxx>
---
arch/x86/kernel/devicetree.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/arch/x86/kernel/devicetree.c b/arch/x86/kernel/devicetree.c
index 7db54b5..a481d1b 100644
--- a/arch/x86/kernel/devicetree.c
+++ b/arch/x86/kernel/devicetree.c
@@ -278,7 +278,8 @@ static int ioapic_xlate(struct irq_domain *domain,
{
struct io_apic_irq_attr attr;
struct of_ioapic_type *it;
- u32 line, idx;
+ u32 line;
+ unsigned long idx;
int rc;

if (WARN_ON(intsize < 2))
@@ -291,7 +292,7 @@ static int ioapic_xlate(struct irq_domain *domain,

it = &of_ioapic_type[intspec[1]];

- idx = (u32) domain->host_data;
+ idx = (unsigned long) domain->host_data;
set_io_apic_irq_attr(&attr, idx, line, it->trigger, it->polarity);

rc = io_apic_setup_irq_pin_once(irq_find_mapping(domain, line),
@@ -320,7 +321,7 @@ static void dt_add_ioapic_domain(unsigned int ioapic_num,
num = gsi_cfg->gsi_end - gsi_cfg->gsi_base + 1;

id = irq_domain_add_linear(np, num, &ioapic_irq_domain_ops,
- (void *)ioapic_num);
+ (void *)((unsigned long)ioapic_num));
BUG_ON(!id);
if (gsi_cfg->gsi_base == 0) {
/*
--
2.0.1

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