linux-kernel - [PATCH 17/19] crypto: s5p: convert tasklets to use new tasklet

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Message-Id: <20200817080941.19227-18-allen.lkml@gmail.com>
Date:   Mon, 17 Aug 2020 13:39:39 +0530
From:   Allen Pais <allen.lkml@...il.com>
To:     nicolas.ferre@...rochip.com, alexandre.belloni@...tlin.com,
        ludovic.desroches@...rochip.com, heiko@...ech.de,
        matthias.bgg@...il.com
Cc:     keescook@...omium.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-rockchip@...ts.infradead.org,
        inux-mediatek@...ts.infradead.org,
        Allen Pais <allen.lkml@...il.com>,
        Romain Perier <romain.perier@...il.com>
Subject: [PATCH 17/19] crypto: s5p: convert tasklets to use new tasklet_setup() API

In preparation for unconditionally passing the
struct tasklet_struct pointer to all tasklet
callbacks, switch to using the new tasklet_setup()
and from_tasklet() to pass the tasklet pointer explicitly.

Signed-off-by: Romain Perier <romain.perier@...il.com>
Signed-off-by: Allen Pais <allen.lkml@...il.com>
---
 drivers/crypto/s5p-sss.c | 13 ++++++-------
 1 file changed, 6 insertions(+), 7 deletions(-)

diff --git a/drivers/crypto/s5p-sss.c b/drivers/crypto/s5p-sss.c
index 341433fbcc4a..3647dffc307f 100644
--- a/drivers/crypto/s5p-sss.c
+++ b/drivers/crypto/s5p-sss.c
@@ -1443,9 +1443,9 @@ static int s5p_hash_handle_queue(struct s5p_aes_dev *dd,
  * s5p_hash_tasklet_cb() - hash tasklet
  * @data:	ptr to s5p_aes_dev
  */
-static void s5p_hash_tasklet_cb(unsigned long data)
+static void s5p_hash_tasklet_cb(struct tasklet_struct *t)
 {
-	struct s5p_aes_dev *dd = (struct s5p_aes_dev *)data;
+	struct s5p_aes_dev *dd = from_tasklet(dd, t, hash_tasklet);
 
 	if (!test_bit(HASH_FLAGS_BUSY, &dd->hash_flags)) {
 		s5p_hash_handle_queue(dd, NULL);
@@ -1973,9 +1973,9 @@ static void s5p_aes_crypt_start(struct s5p_aes_dev *dev, unsigned long mode)
 	s5p_aes_complete(req, err);
 }
 
-static void s5p_tasklet_cb(unsigned long data)
+static void s5p_tasklet_cb(struct tasklet_struct *t)
 {
-	struct s5p_aes_dev *dev = (struct s5p_aes_dev *)data;
+	struct s5p_aes_dev *dev = from_tasklet(dev, t, tasklet);
 	struct crypto_async_request *async_req, *backlog;
 	struct s5p_aes_reqctx *reqctx;
 	unsigned long flags;
@@ -2257,7 +2257,7 @@ static int s5p_aes_probe(struct platform_device *pdev)
 	platform_set_drvdata(pdev, pdata);
 	s5p_dev = pdata;
 
-	tasklet_init(&pdata->tasklet, s5p_tasklet_cb, (unsigned long)pdata);
+	tasklet_setup(&pdata->tasklet, s5p_tasklet_cb);
 	crypto_init_queue(&pdata->queue, CRYPTO_QUEUE_LEN);
 
 	for (i = 0; i < ARRAY_SIZE(algs); i++) {
@@ -2267,8 +2267,7 @@ static int s5p_aes_probe(struct platform_device *pdev)
 	}
 
 	if (pdata->use_hash) {
-		tasklet_init(&pdata->hash_tasklet, s5p_hash_tasklet_cb,
-			     (unsigned long)pdata);
+		tasklet_setup(&pdata->hash_tasklet, s5p_hash_tasklet_cb);
 		crypto_init_queue(&pdata->hash_queue, SSS_HASH_QUEUE_LENGTH);
 
 		for (hash_i = 0; hash_i < ARRAY_SIZE(algs_sha1_md5_sha256);
-- 
2.17.1