diff options
Diffstat (limited to 'drivers/crypto/hifn_795x.c')
| -rw-r--r-- | drivers/crypto/hifn_795x.c | 38 |
1 files changed, 20 insertions, 18 deletions
diff --git a/drivers/crypto/hifn_795x.c b/drivers/crypto/hifn_795x.c index a84250a5dd5..12fea3e2234 100644 --- a/drivers/crypto/hifn_795x.c +++ b/drivers/crypto/hifn_795x.c @@ -821,8 +821,8 @@ static int hifn_register_rng(struct hifn_device *dev) /* * We must wait at least 256 Pk_clk cycles between two reads of the rng. */ - dev->rng_wait_time = DIV_ROUND_UP(NSEC_PER_SEC, dev->pk_clk_freq) * - 256; + dev->rng_wait_time = DIV_ROUND_UP_ULL(NSEC_PER_SEC, + dev->pk_clk_freq) * 256; dev->rng.name = dev->name; dev->rng.data_present = hifn_rng_data_present, @@ -1731,9 +1731,9 @@ static int ablkcipher_get(void *saddr, unsigned int *srestp, unsigned int offset while (size) { copy = min3(srest, dst->length, size); - daddr = kmap_atomic(sg_page(dst), KM_IRQ0); + daddr = kmap_atomic(sg_page(dst)); memcpy(daddr + dst->offset + offset, saddr, copy); - kunmap_atomic(daddr, KM_IRQ0); + kunmap_atomic(daddr); nbytes -= copy; size -= copy; @@ -1793,17 +1793,17 @@ static void hifn_process_ready(struct ablkcipher_request *req, int error) continue; } - saddr = kmap_atomic(sg_page(t), KM_SOFTIRQ0); + saddr = kmap_atomic(sg_page(t)); err = ablkcipher_get(saddr, &t->length, t->offset, dst, nbytes, &nbytes); if (err < 0) { - kunmap_atomic(saddr, KM_SOFTIRQ0); + kunmap_atomic(saddr); break; } idx += err; - kunmap_atomic(saddr, KM_SOFTIRQ0); + kunmap_atomic(saddr); } hifn_cipher_walk_exit(&rctx->walk); @@ -2494,7 +2494,8 @@ static int hifn_alg_alloc(struct hifn_device *dev, struct hifn_alg_template *t) t->drv_name, dev->name); alg->alg.cra_priority = 300; - alg->alg.cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC; + alg->alg.cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | + CRYPTO_ALG_KERN_DRIVER_ONLY | CRYPTO_ALG_ASYNC; alg->alg.cra_blocksize = t->bsize; alg->alg.cra_ctxsize = sizeof(struct hifn_context); alg->alg.cra_alignmask = 0; @@ -2560,7 +2561,7 @@ static void hifn_tasklet_callback(unsigned long data) hifn_process_queue(dev); } -static int __devinit hifn_probe(struct pci_dev *pdev, const struct pci_device_id *id) +static int hifn_probe(struct pci_dev *pdev, const struct pci_device_id *id) { int err, i; struct hifn_device *dev; @@ -2610,14 +2611,17 @@ static int __devinit hifn_probe(struct pci_dev *pdev, const struct pci_device_id size = pci_resource_len(pdev, i); dev->bar[i] = ioremap_nocache(addr, size); - if (!dev->bar[i]) + if (!dev->bar[i]) { + err = -ENOMEM; goto err_out_unmap_bars; + } } dev->desc_virt = pci_alloc_consistent(pdev, sizeof(struct hifn_dma), &dev->desc_dma); if (!dev->desc_virt) { dprintk("Failed to allocate descriptor rings.\n"); + err = -ENOMEM; goto err_out_unmap_bars; } memset(dev->desc_virt, 0, sizeof(struct hifn_dma)); @@ -2672,7 +2676,7 @@ err_out_stop_device: hifn_reset_dma(dev, 1); hifn_stop_device(dev); err_out_free_irq: - free_irq(dev->irq, dev->name); + free_irq(dev->irq, dev); tasklet_kill(&dev->tasklet); err_out_free_desc: pci_free_consistent(pdev, sizeof(struct hifn_dma), @@ -2692,7 +2696,7 @@ err_out_disable_pci_device: return err; } -static void __devexit hifn_remove(struct pci_dev *pdev) +static void hifn_remove(struct pci_dev *pdev) { int i; struct hifn_device *dev; @@ -2707,7 +2711,7 @@ static void __devexit hifn_remove(struct pci_dev *pdev) hifn_reset_dma(dev, 1); hifn_stop_device(dev); - free_irq(dev->irq, dev->name); + free_irq(dev->irq, dev); tasklet_kill(&dev->tasklet); hifn_flush(dev); @@ -2736,7 +2740,7 @@ static struct pci_driver hifn_pci_driver = { .name = "hifn795x", .id_table = hifn_pci_tbl, .probe = hifn_probe, - .remove = __devexit_p(hifn_remove), + .remove = hifn_remove, }; static int __init hifn_init(void) @@ -2744,10 +2748,8 @@ static int __init hifn_init(void) unsigned int freq; int err; - if (sizeof(dma_addr_t) > 4) { - printk(KERN_INFO "HIFN supports only 32-bit addresses.\n"); - return -EINVAL; - } + /* HIFN supports only 32-bit addresses */ + BUILD_BUG_ON(sizeof(dma_addr_t) != 4); if (strncmp(hifn_pll_ref, "ext", 3) && strncmp(hifn_pll_ref, "pci", 3)) { |