3.4-stable review patch. If anyone has any objections, please let me know.
------------------
From: Paul Gortmaker <paul.gortmaker@xxxxxxxxxxxxx>
commit 2c45aada341121438affc4cb8d5b4cfaa2813d3d upstream.
In allmodconfig builds for sparc and any other arch which does
not set CONFIG_SPARSE_IRQ, the following will be seen at modpost:
CC [M] lib/cpu-notifier-error-inject.o
CC [M] lib/pm-notifier-error-inject.o
ERROR: "irq_to_desc" [drivers/gpio/gpio-mcp23s08.ko] undefined!
make[2]: *** [__modpost] Error 1
This happens because commit 3911ff30f5 ("genirq: export
handle_edge_irq() and irq_to_desc()") added one export for it, but
there were actually two instances of it, in an if/else clause for
CONFIG_SPARSE_IRQ. Add the second one.
Signed-off-by: Paul Gortmaker <paul.gortmaker@xxxxxxxxxxxxx>
Cc: Jiri Kosina <jkosina@xxxxxxx>
Link: http://lkml.kernel.org/r/1392057610-11514-1-git-send-email-paul.gortmaker@xxxxxxxxxxxxx
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
kernel/irq/irqdesc.c | 1 +
1 file changed, 1 insertion(+)
--- a/kernel/irq/irqdesc.c
+++ b/kernel/irq/irqdesc.c
@@ -274,6 +274,7 @@ struct irq_desc *irq_to_desc(unsigned in
{
return (irq < NR_IRQS) ? irq_desc + irq : NULL;
}
+EXPORT_SYMBOL(irq_to_desc);
static void free_desc(unsigned int irq)
{
--
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