Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto fixes from Herbert Xu: "This push fixes a build error on 32-bit archs in the hifn driver as well as a potential deadlock in the caam driver." * git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: crypto: caam - fix possible deadlock condition crypto: hifn_795x - fix 64bit division and undefined __divdi3 on 32bit archs
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2d809dcd88
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@ -63,7 +63,7 @@ static void caam_jr_dequeue(unsigned long devarg)
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head = ACCESS_ONCE(jrp->head);
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spin_lock_bh(&jrp->outlock);
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spin_lock(&jrp->outlock);
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sw_idx = tail = jrp->tail;
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hw_idx = jrp->out_ring_read_index;
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@ -115,7 +115,7 @@ static void caam_jr_dequeue(unsigned long devarg)
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jrp->tail = tail;
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}
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spin_unlock_bh(&jrp->outlock);
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spin_unlock(&jrp->outlock);
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/* Finally, execute user's callback */
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usercall(dev, userdesc, userstatus, userarg);
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@ -236,14 +236,14 @@ int caam_jr_enqueue(struct device *dev, u32 *desc,
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return -EIO;
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}
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spin_lock(&jrp->inplock);
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spin_lock_bh(&jrp->inplock);
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head = jrp->head;
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tail = ACCESS_ONCE(jrp->tail);
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if (!rd_reg32(&jrp->rregs->inpring_avail) ||
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CIRC_SPACE(head, tail, JOBR_DEPTH) <= 0) {
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spin_unlock(&jrp->inplock);
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spin_unlock_bh(&jrp->inplock);
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dma_unmap_single(dev, desc_dma, desc_size, DMA_TO_DEVICE);
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return -EBUSY;
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}
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@ -265,7 +265,7 @@ int caam_jr_enqueue(struct device *dev, u32 *desc,
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wr_reg32(&jrp->rregs->inpring_jobadd, 1);
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spin_unlock(&jrp->inplock);
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spin_unlock_bh(&jrp->inplock);
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return 0;
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}
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@ -821,8 +821,8 @@ static int hifn_register_rng(struct hifn_device *dev)
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/*
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* We must wait at least 256 Pk_clk cycles between two reads of the rng.
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*/
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dev->rng_wait_time = DIV_ROUND_UP(NSEC_PER_SEC, dev->pk_clk_freq) *
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256;
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dev->rng_wait_time = DIV_ROUND_UP_ULL(NSEC_PER_SEC,
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dev->pk_clk_freq) * 256;
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dev->rng.name = dev->name;
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dev->rng.data_present = hifn_rng_data_present,
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