[ARM] footbridge: dc21285.c warning fixes

The dc21285 requests a number of IRQs that it doesn't really
care whether they get added. Change to use a macro that ensures
that at-least the user gets warned if they fail to add, which
also stops the warnings from __unused_result on request_irq().

dc21285.c:337: warning: ignoring return value of 'request_irq', declared with attribute warn_unused_result
dc21285.c:339: warning: ignoring return value of 'request_irq', declared with attribute warn_unused_result
dc21285.c:341: warning: ignoring return value of 'request_irq', declared with attribute warn_unused_result
dc21285.c:343: warning: ignoring return value of 'request_irq', declared with attribute warn_unused_result
dc21285.c:345: warning: ignoring return value of 'request_irq', declared with attribute warn_unused_result

Signed-off-by: Ben Dooks <ben-linux@fluff.org>

diff --git a/arch/arm/mach-footbridge/dc21285.c b/arch/arm/mach-footbridge/dc21285.c
index 133086019e3ea776b98c236a9bebc3a86146a9c0..3ffa54841ec55c9d1c2c900a1f469a796114c037 100644 (file)
--- a/arch/arm/mach-footbridge/dc21285.c
+++ b/arch/arm/mach-footbridge/dc21285.c
@@ -287,6 +287,9 @@ struct pci_bus * __init dc21285_scan_bus(int nr, struct pci_sys_data *sys)
        return pci_scan_bus(0, &dc21285_ops, sys);
 }
 
+#define dc21285_request_irq(_a, _b, _c, _d, _e) \
+       WARN_ON(request_irq(_a, _b, _c, _d, _e) < 0)
+
 void __init dc21285_preinit(void)
 {
        unsigned int mem_size, mem_mask;
@@ -335,16 +338,16 @@ void __init dc21285_preinit(void)
        /*
         * We don't care if these fail.
         */
-       request_irq(IRQ_PCI_SERR, dc21285_serr_irq, IRQF_DISABLED,
-                   "PCI system error", &serr_timer);
-       request_irq(IRQ_PCI_PERR, dc21285_parity_irq, IRQF_DISABLED,
-                   "PCI parity error", &perr_timer);
-       request_irq(IRQ_PCI_ABORT, dc21285_abort_irq, IRQF_DISABLED,
-                   "PCI abort", NULL);
-       request_irq(IRQ_DISCARD_TIMER, dc21285_discard_irq, IRQF_DISABLED,
-                   "Discard timer", NULL);
-       request_irq(IRQ_PCI_DPERR, dc21285_dparity_irq, IRQF_DISABLED,
-                   "PCI data parity", NULL);
+       dc21285_request_irq(IRQ_PCI_SERR, dc21285_serr_irq, IRQF_DISABLED,
+                           "PCI system error", &serr_timer);
+       dc21285_request_irq(IRQ_PCI_PERR, dc21285_parity_irq, IRQF_DISABLED,
+                           "PCI parity error", &perr_timer);
+       dc21285_request_irq(IRQ_PCI_ABORT, dc21285_abort_irq, IRQF_DISABLED,
+                           "PCI abort", NULL);
+       dc21285_request_irq(IRQ_DISCARD_TIMER, dc21285_discard_irq, IRQF_DISABLED,
+                           "Discard timer", NULL);
+       dc21285_request_irq(IRQ_PCI_DPERR, dc21285_dparity_irq, IRQF_DISABLED,
+                           "PCI data parity", NULL);
 
        if (cfn_mode) {
                static struct resource csrio;