[PATCH v4 2/4] kvm/ppc/mpic: drop unused IRQ_testbit

[Arseny Solokha]

Drop unused static procedure which doesn't have callers within its
translation unit. It had been already removed independently in QEMU[1]
from the OpenPIC implementation borrowed by the kernel.

[1] https://lists.gnu.org/archive/html/qemu-devel/2014-06/msg01812.html

v4: Fixed the comment regarding the origination of OpenPIC codebase
    and CC'ed KVM mailing lists, as suggested by Alexander Graf.

v3: In patch 4/4, do not remove fsl_mpic_primary_get_version() from
    arch/powerpc/sysdev/mpic.c because the patch by Jia Hongtao
    ("powerpc/85xx: workaround for chips with MSI hardware errata") makes
    use of it.

v2: Added a brief explanation to each patch description of why removed
    functions are unused, as suggested by Michael Ellerman.

Signed-off-by: Arseny Solokha <asolokha@xxxxxxxxxx>
---
 arch/powerpc/kvm/mpic.c | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/arch/powerpc/kvm/mpic.c b/arch/powerpc/kvm/mpic.c
index 39b3a8f..a480d99 100644
--- a/arch/powerpc/kvm/mpic.c
+++ b/arch/powerpc/kvm/mpic.c
@@ -289,11 +289,6 @@ static inline void IRQ_resetbit(struct irq_queue *q, int n_IRQ)
 	clear_bit(n_IRQ, q->queue);
 }
 
-static inline int IRQ_testbit(struct irq_queue *q, int n_IRQ)
-{
-	return test_bit(n_IRQ, q->queue);
-}
-
 static void IRQ_check(struct openpic *opp, struct irq_queue *q)
 {
 	int irq = -1;
-- 
2.3.3

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