iommu/arm-smmu-v3: Drop unused 'q' argument from Q_OVF macro

The Q_OVF macro doesn't need to access the arm_smmu_queue structure, so
drop the unused macro argument.

No functional change.

Tested-by: Ganapatrao Kulkarni  <gkulkarni@marvell.com>
Signed-off-by: Will Deacon <will@kernel.org>

diff --git a/drivers/iommu/arm-smmu-v3.c b/drivers/iommu/arm-smmu-v3.c
index 06f569e41d849720fb8bc85a98cebbc78ce68f3b..3a80207959592e66c3d4a247338fc30df76c6af1 100644 (file)
--- a/drivers/iommu/arm-smmu-v3.c
+++ b/drivers/iommu/arm-smmu-v3.c
@@ -184,7 +184,7 @@
 #define Q_IDX(q, p)                    ((p) & ((1 << (q)->max_n_shift) - 1))
 #define Q_WRP(q, p)                    ((p) & (1 << (q)->max_n_shift))
 #define Q_OVERFLOW_FLAG                        (1 << 31)
-#define Q_OVF(q, p)                    ((p) & Q_OVERFLOW_FLAG)
+#define Q_OVF(p)                       ((p) & Q_OVERFLOW_FLAG)
 #define Q_ENT(q, p)                    ((q)->base +                    \
                                         Q_IDX(q, p) * (q)->ent_dwords)
 
@@ -715,7 +715,7 @@ static void queue_sync_cons_out(struct arm_smmu_queue *q)
 static void queue_inc_cons(struct arm_smmu_queue *q)
 {
        u32 cons = (Q_WRP(q, q->cons) | Q_IDX(q, q->cons)) + 1;
-       q->cons = Q_OVF(q, q->cons) | Q_WRP(q, cons) | Q_IDX(q, cons);
+       q->cons = Q_OVF(q->cons) | Q_WRP(q, cons) | Q_IDX(q, cons);
 }
 
 static int queue_sync_prod_in(struct arm_smmu_queue *q)
@@ -723,7 +723,7 @@ static int queue_sync_prod_in(struct arm_smmu_queue *q)
        int ret = 0;
        u32 prod = readl_relaxed(q->prod_reg);
 
-       if (Q_OVF(q, prod) != Q_OVF(q, q->prod))
+       if (Q_OVF(prod) != Q_OVF(q->prod))
                ret = -EOVERFLOW;
 
        q->prod = prod;
@@ -738,7 +738,7 @@ static void queue_sync_prod_out(struct arm_smmu_queue *q)
 static void queue_inc_prod(struct arm_smmu_queue *q)
 {
        u32 prod = (Q_WRP(q, q->prod) | Q_IDX(q, q->prod)) + 1;
-       q->prod = Q_OVF(q, q->prod) | Q_WRP(q, prod) | Q_IDX(q, prod);
+       q->prod = Q_OVF(q->prod) | Q_WRP(q, prod) | Q_IDX(q, prod);
 }
 
 /*
@@ -1334,7 +1334,7 @@ static irqreturn_t arm_smmu_evtq_thread(int irq, void *dev)
        } while (!queue_empty(q));
 
        /* Sync our overflow flag, as we believe we're up to speed */
-       q->cons = Q_OVF(q, q->prod) | Q_WRP(q, q->cons) | Q_IDX(q, q->cons);
+       q->cons = Q_OVF(q->prod) | Q_WRP(q, q->cons) | Q_IDX(q, q->cons);
        return IRQ_HANDLED;
 }
 
@@ -1391,7 +1391,7 @@ static irqreturn_t arm_smmu_priq_thread(int irq, void *dev)
        } while (!queue_empty(q));
 
        /* Sync our overflow flag, as we believe we're up to speed */
-       q->cons = Q_OVF(q, q->prod) | Q_WRP(q, q->cons) | Q_IDX(q, q->cons);
+       q->cons = Q_OVF(q->prod) | Q_WRP(q, q->cons) | Q_IDX(q, q->cons);
        writel(q->cons, q->cons_reg);
        return IRQ_HANDLED;
 }