Some of the call paths of OMAP SHA driver can avoid executing the next
step of the crypto queue under tasklet; instead, execute the next step
directly via function call. This avoids a costly round-trip via the
scheduler giving a slight performance boost.
Signed-off-by: Tero Kristo <t-kristo@xxxxxx>
---
drivers/crypto/omap-sham.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/crypto/omap-sham.c b/drivers/crypto/omap-sham.c
index a5c823b..34ebe1d 100644
--- a/drivers/crypto/omap-sham.c
+++ b/drivers/crypto/omap-sham.c
@@ -240,6 +240,8 @@ static struct omap_sham_drv sham = {
.lock = __SPIN_LOCK_UNLOCKED(sham.lock),
};
+static void omap_sham_done_task(unsigned long data);
+
static inline u32 omap_sham_read(struct omap_sham_dev *dd, u32 offset)
{
return __raw_readl(dd->io_base + offset);
@@ -994,7 +996,7 @@ static void omap_sham_finish_req(struct ahash_request *req, int err)
req->base.complete(&req->base, err);
/* handle new request */
- tasklet_schedule(&dd->done_task);
+ omap_sham_done_task((unsigned long)dd);
}
static int omap_sham_handle_queue(struct omap_sham_dev *dd,
--
1.9.1
--
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