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path: root/drivers/crypto/omap-sham.c
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Diffstat (limited to 'drivers/crypto/omap-sham.c')
-rw-r--r--drivers/crypto/omap-sham.c52
1 files changed, 14 insertions, 38 deletions
diff --git a/drivers/crypto/omap-sham.c b/drivers/crypto/omap-sham.c
index a6b4a0b3ace3..ff8aac02994a 100644
--- a/drivers/crypto/omap-sham.c
+++ b/drivers/crypto/omap-sham.c
@@ -37,6 +37,7 @@
#include <linux/scatterlist.h>
#include <linux/slab.h>
#include <linux/string.h>
+#include <linux/workqueue.h>
#define MD5_DIGEST_SIZE 16
@@ -217,7 +218,7 @@ struct omap_sham_dev {
int irq;
int err;
struct dma_chan *dma_lch;
- struct tasklet_struct done_task;
+ struct work_struct done_task;
u8 polling_mode;
u8 xmit_buf[BUFLEN] OMAP_ALIGNED;
@@ -356,10 +357,10 @@ static void omap_sham_copy_ready_hash(struct ahash_request *req)
if (big_endian)
for (i = 0; i < d; i++)
- hash[i] = be32_to_cpup((__be32 *)in + i);
+ put_unaligned(be32_to_cpup((__be32 *)in + i), &hash[i]);
else
for (i = 0; i < d; i++)
- hash[i] = le32_to_cpup((__le32 *)in + i);
+ put_unaligned(le32_to_cpup((__le32 *)in + i), &hash[i]);
}
static void omap_sham_write_ctrl_omap2(struct omap_sham_dev *dd, size_t length,
@@ -561,7 +562,7 @@ static void omap_sham_dma_callback(void *param)
struct omap_sham_dev *dd = param;
set_bit(FLAGS_DMA_READY, &dd->flags);
- tasklet_schedule(&dd->done_task);
+ queue_work(system_bh_wq, &dd->done_task);
}
static int omap_sham_xmit_dma(struct omap_sham_dev *dd, size_t length,
@@ -1167,7 +1168,6 @@ static void omap_sham_finish_req(struct ahash_request *req, int err)
dd->flags &= ~(BIT(FLAGS_FINAL) | BIT(FLAGS_CPU) |
BIT(FLAGS_DMA_READY) | BIT(FLAGS_OUTPUT_READY));
- pm_runtime_mark_last_busy(dd->dev);
pm_runtime_put_autosuspend(dd->dev);
ctx->offset = 0;
@@ -1435,7 +1435,6 @@ static struct ahash_engine_alg algs_sha1_md5[] = {
CRYPTO_ALG_NEED_FALLBACK,
.cra_blocksize = SHA1_BLOCK_SIZE,
.cra_ctxsize = sizeof(struct omap_sham_ctx),
- .cra_alignmask = OMAP_ALIGN_MASK,
.cra_module = THIS_MODULE,
.cra_init = omap_sham_cra_init,
.cra_exit = omap_sham_cra_exit,
@@ -1458,7 +1457,6 @@ static struct ahash_engine_alg algs_sha1_md5[] = {
CRYPTO_ALG_NEED_FALLBACK,
.cra_blocksize = SHA1_BLOCK_SIZE,
.cra_ctxsize = sizeof(struct omap_sham_ctx),
- .cra_alignmask = OMAP_ALIGN_MASK,
.cra_module = THIS_MODULE,
.cra_init = omap_sham_cra_init,
.cra_exit = omap_sham_cra_exit,
@@ -1483,7 +1481,6 @@ static struct ahash_engine_alg algs_sha1_md5[] = {
.cra_blocksize = SHA1_BLOCK_SIZE,
.cra_ctxsize = sizeof(struct omap_sham_ctx) +
sizeof(struct omap_sham_hmac_ctx),
- .cra_alignmask = OMAP_ALIGN_MASK,
.cra_module = THIS_MODULE,
.cra_init = omap_sham_cra_sha1_init,
.cra_exit = omap_sham_cra_exit,
@@ -1508,7 +1505,6 @@ static struct ahash_engine_alg algs_sha1_md5[] = {
.cra_blocksize = SHA1_BLOCK_SIZE,
.cra_ctxsize = sizeof(struct omap_sham_ctx) +
sizeof(struct omap_sham_hmac_ctx),
- .cra_alignmask = OMAP_ALIGN_MASK,
.cra_module = THIS_MODULE,
.cra_init = omap_sham_cra_md5_init,
.cra_exit = omap_sham_cra_exit,
@@ -1535,7 +1531,6 @@ static struct ahash_engine_alg algs_sha224_sha256[] = {
CRYPTO_ALG_NEED_FALLBACK,
.cra_blocksize = SHA224_BLOCK_SIZE,
.cra_ctxsize = sizeof(struct omap_sham_ctx),
- .cra_alignmask = OMAP_ALIGN_MASK,
.cra_module = THIS_MODULE,
.cra_init = omap_sham_cra_init,
.cra_exit = omap_sham_cra_exit,
@@ -1558,7 +1553,6 @@ static struct ahash_engine_alg algs_sha224_sha256[] = {
CRYPTO_ALG_NEED_FALLBACK,
.cra_blocksize = SHA256_BLOCK_SIZE,
.cra_ctxsize = sizeof(struct omap_sham_ctx),
- .cra_alignmask = OMAP_ALIGN_MASK,
.cra_module = THIS_MODULE,
.cra_init = omap_sham_cra_init,
.cra_exit = omap_sham_cra_exit,
@@ -1583,7 +1577,6 @@ static struct ahash_engine_alg algs_sha224_sha256[] = {
.cra_blocksize = SHA224_BLOCK_SIZE,
.cra_ctxsize = sizeof(struct omap_sham_ctx) +
sizeof(struct omap_sham_hmac_ctx),
- .cra_alignmask = OMAP_ALIGN_MASK,
.cra_module = THIS_MODULE,
.cra_init = omap_sham_cra_sha224_init,
.cra_exit = omap_sham_cra_exit,
@@ -1608,7 +1601,6 @@ static struct ahash_engine_alg algs_sha224_sha256[] = {
.cra_blocksize = SHA256_BLOCK_SIZE,
.cra_ctxsize = sizeof(struct omap_sham_ctx) +
sizeof(struct omap_sham_hmac_ctx),
- .cra_alignmask = OMAP_ALIGN_MASK,
.cra_module = THIS_MODULE,
.cra_init = omap_sham_cra_sha256_init,
.cra_exit = omap_sham_cra_exit,
@@ -1634,7 +1626,6 @@ static struct ahash_engine_alg algs_sha384_sha512[] = {
CRYPTO_ALG_NEED_FALLBACK,
.cra_blocksize = SHA384_BLOCK_SIZE,
.cra_ctxsize = sizeof(struct omap_sham_ctx),
- .cra_alignmask = OMAP_ALIGN_MASK,
.cra_module = THIS_MODULE,
.cra_init = omap_sham_cra_init,
.cra_exit = omap_sham_cra_exit,
@@ -1657,7 +1648,6 @@ static struct ahash_engine_alg algs_sha384_sha512[] = {
CRYPTO_ALG_NEED_FALLBACK,
.cra_blocksize = SHA512_BLOCK_SIZE,
.cra_ctxsize = sizeof(struct omap_sham_ctx),
- .cra_alignmask = OMAP_ALIGN_MASK,
.cra_module = THIS_MODULE,
.cra_init = omap_sham_cra_init,
.cra_exit = omap_sham_cra_exit,
@@ -1682,7 +1672,6 @@ static struct ahash_engine_alg algs_sha384_sha512[] = {
.cra_blocksize = SHA384_BLOCK_SIZE,
.cra_ctxsize = sizeof(struct omap_sham_ctx) +
sizeof(struct omap_sham_hmac_ctx),
- .cra_alignmask = OMAP_ALIGN_MASK,
.cra_module = THIS_MODULE,
.cra_init = omap_sham_cra_sha384_init,
.cra_exit = omap_sham_cra_exit,
@@ -1707,7 +1696,6 @@ static struct ahash_engine_alg algs_sha384_sha512[] = {
.cra_blocksize = SHA512_BLOCK_SIZE,
.cra_ctxsize = sizeof(struct omap_sham_ctx) +
sizeof(struct omap_sham_hmac_ctx),
- .cra_alignmask = OMAP_ALIGN_MASK,
.cra_module = THIS_MODULE,
.cra_init = omap_sham_cra_sha512_init,
.cra_exit = omap_sham_cra_exit,
@@ -1716,9 +1704,9 @@ static struct ahash_engine_alg algs_sha384_sha512[] = {
},
};
-static void omap_sham_done_task(unsigned long data)
+static void omap_sham_done_task(struct work_struct *t)
{
- struct omap_sham_dev *dd = (struct omap_sham_dev *)data;
+ struct omap_sham_dev *dd = from_work(dd, t, done_task);
int err = 0;
dev_dbg(dd->dev, "%s: flags=%lx\n", __func__, dd->flags);
@@ -1752,7 +1740,7 @@ finish:
static irqreturn_t omap_sham_irq_common(struct omap_sham_dev *dd)
{
set_bit(FLAGS_OUTPUT_READY, &dd->flags);
- tasklet_schedule(&dd->done_task);
+ queue_work(system_bh_wq, &dd->done_task);
return IRQ_HANDLED;
}
@@ -2051,10 +2039,7 @@ static struct attribute *omap_sham_attrs[] = {
&dev_attr_fallback.attr,
NULL,
};
-
-static const struct attribute_group omap_sham_attr_group = {
- .attrs = omap_sham_attrs,
-};
+ATTRIBUTE_GROUPS(omap_sham);
static int omap_sham_probe(struct platform_device *pdev)
{
@@ -2075,7 +2060,7 @@ static int omap_sham_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, dd);
INIT_LIST_HEAD(&dd->list);
- tasklet_init(&dd->done_task, omap_sham_done_task, (unsigned long)dd);
+ INIT_WORK(&dd->done_task, omap_sham_done_task);
crypto_init_queue(&dd->queue, OMAP_SHAM_QUEUE_LENGTH);
err = (dev->of_node) ? omap_sham_get_res_of(dd, dev, &res) :
@@ -2170,12 +2155,6 @@ static int omap_sham_probe(struct platform_device *pdev)
}
}
- err = sysfs_create_group(&dev->kobj, &omap_sham_attr_group);
- if (err) {
- dev_err(dev, "could not create sysfs device attrs\n");
- goto err_algs;
- }
-
return 0;
err_algs:
@@ -2200,7 +2179,7 @@ data_err:
return err;
}
-static int omap_sham_remove(struct platform_device *pdev)
+static void omap_sham_remove(struct platform_device *pdev)
{
struct omap_sham_dev *dd;
int i, j;
@@ -2216,24 +2195,21 @@ static int omap_sham_remove(struct platform_device *pdev)
&dd->pdata->algs_info[i].algs_list[j]);
dd->pdata->algs_info[i].registered--;
}
- tasklet_kill(&dd->done_task);
+ cancel_work_sync(&dd->done_task);
pm_runtime_dont_use_autosuspend(&pdev->dev);
pm_runtime_disable(&pdev->dev);
if (!dd->polling_mode)
dma_release_channel(dd->dma_lch);
-
- sysfs_remove_group(&dd->dev->kobj, &omap_sham_attr_group);
-
- return 0;
}
static struct platform_driver omap_sham_driver = {
.probe = omap_sham_probe,
- .remove = omap_sham_remove,
+ .remove = omap_sham_remove,
.driver = {
.name = "omap-sham",
.of_match_table = omap_sham_of_match,
+ .dev_groups = omap_sham_groups,
},
};
generated by cgit (git 2.34.1) at 2025-12-24 20:29:14 +0000