diff options
| author | Kees Cook <keescook@chromium.org> | 2017-10-16 16:38:34 -0700 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2017-11-03 22:11:16 +0800 |
| commit | c8dd5e456d2483f051bc92f9c67f01144d122a0b (patch) | |
| tree | 51c0eeb0420dc6404431e2ac9e3b1e8a932e2e17 /drivers | |
| parent | ab387f0af24e661fc1c2f609664ec9ae6618e3f0 (diff) | |
hwrng: xgene - 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: Matt Mackall <mpm@selenic.com>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: linux-crypto@vger.kernel.org
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/char/hw_random/xgene-rng.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/drivers/char/hw_random/xgene-rng.c b/drivers/char/hw_random/xgene-rng.c index 3c77645405e5..71755790c32b 100644 --- a/drivers/char/hw_random/xgene-rng.c +++ b/drivers/char/hw_random/xgene-rng.c @@ -100,9 +100,9 @@ struct xgene_rng_dev { struct clk *clk; }; -static void xgene_rng_expired_timer(unsigned long arg) +static void xgene_rng_expired_timer(struct timer_list *t) { - struct xgene_rng_dev *ctx = (struct xgene_rng_dev *) arg; + struct xgene_rng_dev *ctx = from_timer(ctx, t, failure_timer); /* Clear failure counter as timer expired */ disable_irq(ctx->irq); @@ -113,8 +113,6 @@ static void xgene_rng_expired_timer(unsigned long arg) static void xgene_rng_start_timer(struct xgene_rng_dev *ctx) { - ctx->failure_timer.data = (unsigned long) ctx; - ctx->failure_timer.function = xgene_rng_expired_timer; ctx->failure_timer.expires = jiffies + 120 * HZ; add_timer(&ctx->failure_timer); } @@ -292,7 +290,7 @@ static int xgene_rng_init(struct hwrng *rng) struct xgene_rng_dev *ctx = (struct xgene_rng_dev *) rng->priv; ctx->failure_cnt = 0; - init_timer(&ctx->failure_timer); + timer_setup(&ctx->failure_timer, xgene_rng_expired_timer, 0); ctx->revision = readl(ctx->csr_base + RNG_EIP_REV); |