[PATCH v2 16/19] crypto: rockchip: convert tasklets to use new tasklet_setup() API

[Emil Renner Berthing]

Hi Allen,

On Thu, 7 Jan 2021 at 13:32, Allen Pais <allen.lkml at gmail.com> wrote:
>
> From: Allen Pais <apais at linux.microsoft.com>
>
> 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 at gmail.com>
> Signed-off-by: Allen Pais <apais at linux.microsoft.com>
> ---
>  drivers/crypto/rockchip/rk3288_crypto.c | 14 ++++++--------
>  1 file changed, 6 insertions(+), 8 deletions(-)
>
> diff --git a/drivers/crypto/rockchip/rk3288_crypto.c b/drivers/crypto/rockchip/rk3288_crypto.c
> index 35d73061d156..af6ad9f49009 100644
> --- a/drivers/crypto/rockchip/rk3288_crypto.c
> +++ b/drivers/crypto/rockchip/rk3288_crypto.c
> @@ -201,9 +201,9 @@ static int rk_crypto_enqueue(struct rk_crypto_info *dev,
>         return ret;
>  }
>
> -static void rk_crypto_queue_task_cb(unsigned long data)
> +static void rk_crypto_queue_task_cb(struct tasklet_struct *T)
>  {
> -       struct rk_crypto_info *dev = (struct rk_crypto_info *)data;
> +       struct rk_crypto_info *dev = from_tasklet(dev, t, queue_task);

This doesn't look right. First it's called T and then t. I wonder how
this even compiles..

>         struct crypto_async_request *async_req, *backlog;
>         unsigned long flags;
>         int err = 0;
> @@ -231,9 +231,9 @@ static void rk_crypto_queue_task_cb(unsigned long data)
>                 dev->complete(dev->async_req, err);
>  }
>
> -static void rk_crypto_done_task_cb(unsigned long data)
> +static void rk_crypto_done_task_cb(struct tasklet_struct *t)
>  {
> -       struct rk_crypto_info *dev = (struct rk_crypto_info *)data;
> +       struct rk_crypto_info *dev = from_tasklet(dev, t, done_task);
>
>         if (dev->err) {
>                 dev->complete(dev->async_req, dev->err);
> @@ -389,10 +389,8 @@ static int rk_crypto_probe(struct platform_device *pdev)
>         crypto_info->dev = &pdev->dev;
>         platform_set_drvdata(pdev, crypto_info);
>
> -       tasklet_init(&crypto_info->queue_task,
> -                    rk_crypto_queue_task_cb, (unsigned long)crypto_info);
> -       tasklet_init(&crypto_info->done_task,
> -                    rk_crypto_done_task_cb, (unsigned long)crypto_info);
> +       tasklet_setup(&crypto_info->queue_task, rk_crypto_queue_task_cb);
> +       tasklet_setup(&crypto_info->done_task, rk_crypto_done_task_cb);
>         crypto_init_queue(&crypto_info->queue, 50);
>
>         crypto_info->enable_clk = rk_crypto_enable_clk;
> --
> 2.25.1
>
>
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