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crypto: omap-sham - do not schedule tasklet if there is no active requests

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Signed-off-by: Dmitry Kasatkin <dmitry.kasatkin@nokia.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Dmitry Kasatkin 2011-06-02 21:10:13 +03:00 committed by Herbert Xu
parent 0efd4d8a6a
commit cd3f1d545c
1 changed files with 5 additions and 0 deletions
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5
drivers/crypto/omap-sham.c
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@ -1085,6 +1085,11 @@ static irqreturn_t omap_sham_irq(int irq, void *dev_id)
SHA_REG_CTRL_OUTPUT_READY); SHA_REG_CTRL_OUTPUT_READY);
omap_sham_read(dd, SHA_REG_CTRL); omap_sham_read(dd, SHA_REG_CTRL);
if (!test_bit(FLAGS_BUSY, &dd->flags)) {
dev_warn(dd->dev, "Interrupt when no active requests.\n");
return IRQ_HANDLED;
}
set_bit(FLAGS_OUTPUT_READY, &dd->flags); set_bit(FLAGS_OUTPUT_READY, &dd->flags);
tasklet_schedule(&dd->done_task); tasklet_schedule(&dd->done_task);