2017-10-25 10:18:46

by Kees Cook

[permalink] [raw]
Subject: [PATCH] drivers/crypto: Convert timers to use timer_setup()

In preparation for unconditionally passing the struct timer_list pointer to
all timer callbacks, switch to using the new timer_setup() and from_timer()
to pass the timer pointer explicitly.

Cc: Herbert Xu <[email protected]>
Cc: Jesper Nilsson <[email protected]>
Cc: Lars Persson <[email protected]>
Cc: Niklas Cassel <[email protected]>
Cc: "David S. Miller" <[email protected]>
Cc: Jamie Iles <[email protected]>
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Signed-off-by: Kees Cook <[email protected]>
---
drivers/crypto/axis/artpec6_crypto.c | 6 +++---
drivers/crypto/mv_cesa.c | 4 ++--
drivers/crypto/picoxcell_crypto.c | 7 +++----
3 files changed, 8 insertions(+), 9 deletions(-)

diff --git a/drivers/crypto/axis/artpec6_crypto.c b/drivers/crypto/axis/artpec6_crypto.c
index 0f9754e07719..456278440863 100644
--- a/drivers/crypto/axis/artpec6_crypto.c
+++ b/drivers/crypto/axis/artpec6_crypto.c
@@ -2072,9 +2072,9 @@ static void artpec6_crypto_process_queue(struct artpec6_crypto *ac)
del_timer(&ac->timer);
}

-static void artpec6_crypto_timeout(unsigned long data)
+static void artpec6_crypto_timeout(struct timer_list *t)
{
- struct artpec6_crypto *ac = (struct artpec6_crypto *) data;
+ struct artpec6_crypto *ac = from_timer(ac, t, timer);

dev_info_ratelimited(artpec6_crypto_dev, "timeout\n");

@@ -3063,7 +3063,7 @@ static int artpec6_crypto_probe(struct platform_device *pdev)
spin_lock_init(&ac->queue_lock);
INIT_LIST_HEAD(&ac->queue);
INIT_LIST_HEAD(&ac->pending);
- setup_timer(&ac->timer, artpec6_crypto_timeout, (unsigned long) ac);
+ timer_setup(&ac->timer, artpec6_crypto_timeout, 0);

ac->base = base;

diff --git a/drivers/crypto/mv_cesa.c b/drivers/crypto/mv_cesa.c
index c3883b49f56e..6a8275f017a8 100644
--- a/drivers/crypto/mv_cesa.c
+++ b/drivers/crypto/mv_cesa.c
@@ -149,7 +149,7 @@ struct mv_req_hash_ctx {
int count_add;
};

-static void mv_completion_timer_callback(unsigned long unused)
+static void mv_completion_timer_callback(struct timer_list *unused)
{
int active = readl(cpg->reg + SEC_ACCEL_CMD) & SEC_CMD_EN_SEC_ACCL0;

@@ -167,7 +167,7 @@ static void mv_completion_timer_callback(unsigned long unused)

static void mv_setup_timer(void)
{
- setup_timer(&cpg->completion_timer, &mv_completion_timer_callback, 0);
+ timer_setup(&cpg->completion_timer, mv_completion_timer_callback, 0);
mod_timer(&cpg->completion_timer,
jiffies + msecs_to_jiffies(MV_CESA_EXPIRE));
}
diff --git a/drivers/crypto/picoxcell_crypto.c b/drivers/crypto/picoxcell_crypto.c
index b6f14844702e..5a6dc53b2b9d 100644
--- a/drivers/crypto/picoxcell_crypto.c
+++ b/drivers/crypto/picoxcell_crypto.c
@@ -1125,9 +1125,9 @@ static irqreturn_t spacc_spacc_irq(int irq, void *dev)
return IRQ_HANDLED;
}

-static void spacc_packet_timeout(unsigned long data)
+static void spacc_packet_timeout(struct timer_list *t)
{
- struct spacc_engine *engine = (struct spacc_engine *)data;
+ struct spacc_engine *engine = from_timer(engine, t, packet_timeout);

spacc_process_done(engine);
}
@@ -1714,8 +1714,7 @@ static int spacc_probe(struct platform_device *pdev)
writel(SPA_IRQ_EN_STAT_EN | SPA_IRQ_EN_GLBL_EN,
engine->regs + SPA_IRQ_EN_REG_OFFSET);

- setup_timer(&engine->packet_timeout, spacc_packet_timeout,
- (unsigned long)engine);
+ timer_setup(&engine->packet_timeout, spacc_packet_timeout, 0);

INIT_LIST_HEAD(&engine->pending);
INIT_LIST_HEAD(&engine->completed);
--
2.7.4


--
Kees Cook
Pixel Security


2017-10-26 13:54:33

by Jamie Iles

[permalink] [raw]
Subject: Re: [PATCH] drivers/crypto: Convert timers to use timer_setup()

On Wed, Oct 25, 2017 at 03:18:42AM -0700, Kees Cook wrote:
> In preparation for unconditionally passing the struct timer_list pointer to
> all timer callbacks, switch to using the new timer_setup() and from_timer()
> to pass the timer pointer explicitly.
>
> Cc: Herbert Xu <[email protected]>
> Cc: Jesper Nilsson <[email protected]>
> Cc: Lars Persson <[email protected]>
> Cc: Niklas Cassel <[email protected]>
> Cc: "David S. Miller" <[email protected]>
> Cc: Jamie Iles <[email protected]>
> Cc: [email protected]
> Cc: [email protected]
> Cc: [email protected]
> Signed-off-by: Kees Cook <[email protected]>
> ---

Acked-by: Jamie Iles <[email protected]>

Thanks,

Jamie

2017-10-26 14:24:16

by Lars Persson

[permalink] [raw]
Subject: Re: [PATCH] drivers/crypto: Convert timers to use timer_setup()



On 10/25/2017 12:18 PM, Kees Cook wrote:
> In preparation for unconditionally passing the struct timer_list pointer to
> all timer callbacks, switch to using the new timer_setup() and from_timer()
> to pass the timer pointer explicitly.
>
> Cc: Herbert Xu <[email protected]>
> Cc: Jesper Nilsson <[email protected]>
> Cc: Lars Persson <[email protected]>
> Cc: Niklas Cassel <[email protected]>
> Cc: "David S. Miller" <[email protected]>
> Cc: Jamie Iles <[email protected]>
> Cc: [email protected]
> Cc: [email protected]
> Cc: [email protected]
> Signed-off-by: Kees Cook <[email protected]>

For drivers/crypto/axis:
Acked-by: Lars Persson <[email protected]>

Thanks,
Lars

2017-11-03 14:27:41

by Herbert Xu

[permalink] [raw]
Subject: Re: [PATCH] drivers/crypto: Convert timers to use timer_setup()

On Wed, Oct 25, 2017 at 03:18:42AM -0700, Kees Cook wrote:
> In preparation for unconditionally passing the struct timer_list pointer to
> all timer callbacks, switch to using the new timer_setup() and from_timer()
> to pass the timer pointer explicitly.
>
> Cc: Herbert Xu <[email protected]>
> Cc: Jesper Nilsson <[email protected]>
> Cc: Lars Persson <[email protected]>
> Cc: Niklas Cassel <[email protected]>
> Cc: "David S. Miller" <[email protected]>
> Cc: Jamie Iles <[email protected]>
> Cc: [email protected]
> Cc: [email protected]
> Cc: [email protected]
> Signed-off-by: Kees Cook <[email protected]>

Patch applied. Thanks.
--
Email: Herbert Xu <[email protected]>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt