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path: root/drivers/crypto/inside-secure/safexcel.c
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Diffstat (limited to 'drivers/crypto/inside-secure/safexcel.c')
-rw-r--r--drivers/crypto/inside-secure/safexcel.c52
1 files changed, 40 insertions, 12 deletions
diff --git a/drivers/crypto/inside-secure/safexcel.c b/drivers/crypto/inside-secure/safexcel.c
index 4d9d97c59ee3..04638e183351 100644
--- a/drivers/crypto/inside-secure/safexcel.c
+++ b/drivers/crypto/inside-secure/safexcel.c
@@ -1090,11 +1090,12 @@ static irqreturn_t safexcel_irq_ring_thread(int irq, void *data)
static int safexcel_request_ring_irq(void *pdev, int irqid,
int is_pci_dev,
+ int ring_id,
irq_handler_t handler,
irq_handler_t threaded_handler,
struct safexcel_ring_irq_data *ring_irq_priv)
{
- int ret, irq;
+ int ret, irq, cpu;
struct device *dev;
if (IS_ENABLED(CONFIG_PCI) && is_pci_dev) {
@@ -1132,6 +1133,10 @@ static int safexcel_request_ring_irq(void *pdev, int irqid,
return ret;
}
+ /* Set affinity */
+ cpu = cpumask_local_spread(ring_id, NUMA_NO_NODE);
+ irq_set_affinity_hint(irq, get_cpu_mask(cpu));
+
return irq;
}
@@ -1462,19 +1467,23 @@ static int safexcel_probe_generic(void *pdev,
&priv->ring[i].rdr);
if (ret) {
dev_err(dev, "Failed to initialize rings\n");
- return ret;
+ goto err_cleanup_rings;
}
priv->ring[i].rdr_req = devm_kcalloc(dev,
EIP197_DEFAULT_RING_SIZE,
sizeof(*priv->ring[i].rdr_req),
GFP_KERNEL);
- if (!priv->ring[i].rdr_req)
- return -ENOMEM;
+ if (!priv->ring[i].rdr_req) {
+ ret = -ENOMEM;
+ goto err_cleanup_rings;
+ }
ring_irq = devm_kzalloc(dev, sizeof(*ring_irq), GFP_KERNEL);
- if (!ring_irq)
- return -ENOMEM;
+ if (!ring_irq) {
+ ret = -ENOMEM;
+ goto err_cleanup_rings;
+ }
ring_irq->priv = priv;
ring_irq->ring = i;
@@ -1482,14 +1491,17 @@ static int safexcel_probe_generic(void *pdev,
irq = safexcel_request_ring_irq(pdev,
EIP197_IRQ_NUMBER(i, is_pci_dev),
is_pci_dev,
+ i,
safexcel_irq_ring,
safexcel_irq_ring_thread,
ring_irq);
if (irq < 0) {
dev_err(dev, "Failed to get IRQ ID for ring %d\n", i);
- return irq;
+ ret = irq;
+ goto err_cleanup_rings;
}
+ priv->ring[i].irq = irq;
priv->ring[i].work_data.priv = priv;
priv->ring[i].work_data.ring = i;
INIT_WORK(&priv->ring[i].work_data.work,
@@ -1498,8 +1510,10 @@ static int safexcel_probe_generic(void *pdev,
snprintf(wq_name, 9, "wq_ring%d", i);
priv->ring[i].workqueue =
create_singlethread_workqueue(wq_name);
- if (!priv->ring[i].workqueue)
- return -ENOMEM;
+ if (!priv->ring[i].workqueue) {
+ ret = -ENOMEM;
+ goto err_cleanup_rings;
+ }
priv->ring[i].requests = 0;
priv->ring[i].busy = false;
@@ -1516,16 +1530,26 @@ static int safexcel_probe_generic(void *pdev,
ret = safexcel_hw_init(priv);
if (ret) {
dev_err(dev, "HW init failed (%d)\n", ret);
- return ret;
+ goto err_cleanup_rings;
}
ret = safexcel_register_algorithms(priv);
if (ret) {
dev_err(dev, "Failed to register algorithms (%d)\n", ret);
- return ret;
+ goto err_cleanup_rings;
}
return 0;
+
+err_cleanup_rings:
+ for (i = 0; i < priv->config.rings; i++) {
+ if (priv->ring[i].irq)
+ irq_set_affinity_hint(priv->ring[i].irq, NULL);
+ if (priv->ring[i].workqueue)
+ destroy_workqueue(priv->ring[i].workqueue);
+ }
+
+ return ret;
}
static void safexcel_hw_reset_rings(struct safexcel_crypto_priv *priv)
@@ -1627,8 +1651,10 @@ static int safexcel_remove(struct platform_device *pdev)
clk_disable_unprepare(priv->clk);
- for (i = 0; i < priv->config.rings; i++)
+ for (i = 0; i < priv->config.rings; i++) {
+ irq_set_affinity_hint(priv->ring[i].irq, NULL);
destroy_workqueue(priv->ring[i].workqueue);
+ }
return 0;
}
@@ -1658,6 +1684,8 @@ static const struct of_device_id safexcel_of_match_table[] = {
{},
};
+MODULE_DEVICE_TABLE(of, safexcel_of_match_table);
+
static struct platform_driver crypto_safexcel = {
.probe = safexcel_probe,
.remove = safexcel_remove,