linux-kernel - [PATCH 12/19] crypto: omap: convert tasklets to use new tasklet

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Message-Id: <20200817080941.19227-13-allen.lkml@gmail.com>
Date:   Mon, 17 Aug 2020 13:39:34 +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 12/19] crypto: omap: 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/omap-aes.c  | 6 +++---
 drivers/crypto/omap-des.c  | 6 +++---
 drivers/crypto/omap-sham.c | 6 +++---
 3 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/drivers/crypto/omap-aes.c b/drivers/crypto/omap-aes.c
index 4fd14d90cc40..4eae24167a5d 100644
--- a/drivers/crypto/omap-aes.c
+++ b/drivers/crypto/omap-aes.c
@@ -502,9 +502,9 @@ static void omap_aes_copy_ivout(struct omap_aes_dev *dd, u8 *ivbuf)
 		((u32 *)ivbuf)[i] = omap_aes_read(dd, AES_REG_IV(dd, i));
 }
 
-static void omap_aes_done_task(unsigned long data)
+static void omap_aes_done_task(struct tasklet_struct *t)
 {
-	struct omap_aes_dev *dd = (struct omap_aes_dev *)data;
+	struct omap_aes_dev *dd = from_tasklet(dd, t, done_task);
 
 	pr_debug("enter done_task\n");
 
@@ -1150,7 +1150,7 @@ static int omap_aes_probe(struct platform_device *pdev)
 		 (reg & dd->pdata->major_mask) >> dd->pdata->major_shift,
 		 (reg & dd->pdata->minor_mask) >> dd->pdata->minor_shift);
 
-	tasklet_init(&dd->done_task, omap_aes_done_task, (unsigned long)dd);
+	tasklet_setup(&dd->done_task, omap_aes_done_task);
 
 	err = omap_aes_dma_init(dd);
 	if (err == -EPROBE_DEFER) {
diff --git a/drivers/crypto/omap-des.c b/drivers/crypto/omap-des.c
index c9d38bcfd1c7..fddcfc3ba57b 100644
--- a/drivers/crypto/omap-des.c
+++ b/drivers/crypto/omap-des.c
@@ -594,9 +594,9 @@ static int omap_des_crypt_req(struct crypto_engine *engine,
 	return omap_des_crypt_dma_start(dd);
 }
 
-static void omap_des_done_task(unsigned long data)
+static void omap_des_done_task(struct tasklet_struct *t)
 {
-	struct omap_des_dev *dd = (struct omap_des_dev *)data;
+	struct omap_des_dev *dd = from_tasklet(dd, t, done_task);
 	int i;
 
 	pr_debug("enter done_task\n");
@@ -1011,7 +1011,7 @@ static int omap_des_probe(struct platform_device *pdev)
 		 (reg & dd->pdata->major_mask) >> dd->pdata->major_shift,
 		 (reg & dd->pdata->minor_mask) >> dd->pdata->minor_shift);
 
-	tasklet_init(&dd->done_task, omap_des_done_task, (unsigned long)dd);
+	tasklet_setup(&dd->done_task, omap_des_done_task);
 
 	err = omap_des_dma_init(dd);
 	if (err == -EPROBE_DEFER) {
diff --git a/drivers/crypto/omap-sham.c b/drivers/crypto/omap-sham.c
index 954d703f2981..3c03ee164039 100644
--- a/drivers/crypto/omap-sham.c
+++ b/drivers/crypto/omap-sham.c
@@ -1750,9 +1750,9 @@ static struct ahash_alg algs_sha384_sha512[] = {
 },
 };
 
-static void omap_sham_done_task(unsigned long data)
+static void omap_sham_done_task(struct tasklet_struct *t)
 {
-	struct omap_sham_dev *dd = (struct omap_sham_dev *)data;
+	struct omap_sham_dev *dd = from_tasklet(dd, t, done_task);
 	int err = 0;
 
 	dev_dbg(dd->dev, "%s: flags=%lx\n", __func__, dd->flags);
@@ -2126,7 +2126,7 @@ static int omap_sham_probe(struct platform_device *pdev)
 
 	INIT_LIST_HEAD(&dd->list);
 	spin_lock_init(&dd->lock);
-	tasklet_init(&dd->done_task, omap_sham_done_task, (unsigned long)dd);
+	tasklet_setup(&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) :
-- 
2.17.1