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Code Issues Releases Wiki Activity

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

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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>
This commit is contained in:
Will Deacon 2019-07-02 17:15:50 +01:00
parent 2a8868f16e
commit 8a073da07b
1 changed files with 6 additions and 6 deletions
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12
drivers/iommu/arm-smmu-v3.c
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@ -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;
}