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path: root/drivers/crypto/allwinner/sun8i-ce/sun8i-ce-core.c
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Diffstat (limited to 'drivers/crypto/allwinner/sun8i-ce/sun8i-ce-core.c')
-rw-r--r--drivers/crypto/allwinner/sun8i-ce/sun8i-ce-core.c35
1 files changed, 12 insertions, 23 deletions
diff --git a/drivers/crypto/allwinner/sun8i-ce/sun8i-ce-core.c b/drivers/crypto/allwinner/sun8i-ce/sun8i-ce-core.c
index 658f520cee0c..c16bb6ce6ee3 100644
--- a/drivers/crypto/allwinner/sun8i-ce/sun8i-ce-core.c
+++ b/drivers/crypto/allwinner/sun8i-ce/sun8i-ce-core.c
@@ -169,6 +169,12 @@ static const struct ce_variant ce_r40_variant = {
.trng = CE_ID_NOTSUPP,
};
+static void sun8i_ce_dump_task_descriptors(struct sun8i_ce_flow *chan)
+{
+ print_hex_dump(KERN_INFO, "TASK: ", DUMP_PREFIX_NONE, 16, 4,
+ chan->tl, sizeof(struct ce_task), false);
+}
+
/*
* sun8i_ce_get_engine_number() get the next channel slot
* This is a simple round-robin way of getting the next channel
@@ -183,7 +189,6 @@ int sun8i_ce_run_task(struct sun8i_ce_dev *ce, int flow, const char *name)
{
u32 v;
int err = 0;
- struct ce_task *cet = ce->chanlist[flow].tl;
#ifdef CONFIG_CRYPTO_DEV_SUN8I_CE_DEBUG
ce->chanlist[flow].stat_req++;
@@ -210,11 +215,10 @@ int sun8i_ce_run_task(struct sun8i_ce_dev *ce, int flow, const char *name)
mutex_unlock(&ce->mlock);
wait_for_completion_interruptible_timeout(&ce->chanlist[flow].complete,
- msecs_to_jiffies(ce->chanlist[flow].timeout));
+ msecs_to_jiffies(CE_DMA_TIMEOUT_MS));
if (ce->chanlist[flow].status == 0) {
- dev_err(ce->dev, "DMA timeout for %s (tm=%d) on flow %d\n", name,
- ce->chanlist[flow].timeout, flow);
+ dev_err(ce->dev, "DMA timeout for %s on flow %d\n", name, flow);
err = -EFAULT;
}
/* No need to lock for this read, the channel is locked so
@@ -226,9 +230,8 @@ int sun8i_ce_run_task(struct sun8i_ce_dev *ce, int flow, const char *name)
/* Sadly, the error bit is not per flow */
if (v) {
dev_err(ce->dev, "CE ERROR: %x for flow %x\n", v, flow);
+ sun8i_ce_dump_task_descriptors(&ce->chanlist[flow]);
err = -EFAULT;
- print_hex_dump(KERN_INFO, "TASK: ", DUMP_PREFIX_NONE, 16, 4,
- cet, sizeof(struct ce_task), false);
}
if (v & CE_ERR_ALGO_NOTSUP)
dev_err(ce->dev, "CE ERROR: algorithm not supported\n");
@@ -245,9 +248,8 @@ int sun8i_ce_run_task(struct sun8i_ce_dev *ce, int flow, const char *name)
v &= 0xF;
if (v) {
dev_err(ce->dev, "CE ERROR: %x for flow %x\n", v, flow);
+ sun8i_ce_dump_task_descriptors(&ce->chanlist[flow]);
err = -EFAULT;
- print_hex_dump(KERN_INFO, "TASK: ", DUMP_PREFIX_NONE, 16, 4,
- cet, sizeof(struct ce_task), false);
}
if (v & CE_ERR_ALGO_NOTSUP)
dev_err(ce->dev, "CE ERROR: algorithm not supported\n");
@@ -261,9 +263,8 @@ int sun8i_ce_run_task(struct sun8i_ce_dev *ce, int flow, const char *name)
v &= 0xFF;
if (v) {
dev_err(ce->dev, "CE ERROR: %x for flow %x\n", v, flow);
+ sun8i_ce_dump_task_descriptors(&ce->chanlist[flow]);
err = -EFAULT;
- print_hex_dump(KERN_INFO, "TASK: ", DUMP_PREFIX_NONE, 16, 4,
- cet, sizeof(struct ce_task), false);
}
if (v & CE_ERR_ALGO_NOTSUP)
dev_err(ce->dev, "CE ERROR: algorithm not supported\n");
@@ -758,18 +759,6 @@ static int sun8i_ce_allocate_chanlist(struct sun8i_ce_dev *ce)
err = -ENOMEM;
goto error_engine;
}
- ce->chanlist[i].bounce_iv = devm_kmalloc(ce->dev, AES_BLOCK_SIZE,
- GFP_KERNEL | GFP_DMA);
- if (!ce->chanlist[i].bounce_iv) {
- err = -ENOMEM;
- goto error_engine;
- }
- ce->chanlist[i].backup_iv = devm_kmalloc(ce->dev, AES_BLOCK_SIZE,
- GFP_KERNEL);
- if (!ce->chanlist[i].backup_iv) {
- err = -ENOMEM;
- goto error_engine;
- }
}
return 0;
error_engine:
@@ -1063,7 +1052,7 @@ static int sun8i_ce_probe(struct platform_device *pdev)
pm_runtime_put_sync(ce->dev);
if (IS_ENABLED(CONFIG_CRYPTO_DEV_SUN8I_CE_DEBUG)) {
- struct dentry *dbgfs_dir __maybe_unused;
+ struct dentry *dbgfs_dir;
struct dentry *dbgfs_stats __maybe_unused;
/* Ignore error of debugfs */