crypto: omap-sham - move some flags to device context
authorDmitry Kasatkin <dmitry.kasatkin@nokia.com>
Thu, 2 Jun 2011 18:10:07 +0000 (21:10 +0300)
committerHerbert Xu <herbert@gondor.apana.org.au>
Wed, 29 Jun 2011 23:44:03 +0000 (07:44 +0800)
Couple of context flags have been moved to device flags.
IRQ and tasklet handlers does not need to access request
context anymore.

Signed-off-by: Dmitry Kasatkin <dmitry.kasatkin@nokia.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
drivers/crypto/omap-sham.c

index 208404e20ef7b406d71d5f44b957e2bc491ba4f1..b959dc6dbbde8b39075db4daa291b7e04a3e05c2 100644 (file)
@@ -303,7 +303,7 @@ static int omap_sham_xmit_cpu(struct omap_sham_dev *dd, const u8 *buf,
                return -ETIMEDOUT;
 
        if (final)
-               set_bit(FLAGS_FINAL, &ctx->flags); /* catch last interrupt */
+               set_bit(FLAGS_FINAL, &dd->flags); /* catch last interrupt */
 
        len32 = DIV_ROUND_UP(length, sizeof(u32));
 
@@ -336,7 +336,7 @@ static int omap_sham_xmit_dma(struct omap_sham_dev *dd, dma_addr_t dma_addr,
        ctx->digcnt += length;
 
        if (final)
-               set_bit(FLAGS_FINAL, &ctx->flags); /* catch last interrupt */
+               set_bit(FLAGS_FINAL, &dd->flags); /* catch last interrupt */
 
        set_bit(FLAGS_DMA_ACTIVE, &dd->flags);
 
@@ -642,7 +642,7 @@ static void omap_sham_finish_req(struct ahash_request *req, int err)
 
        if (!err) {
                omap_sham_copy_hash(req, 1);
-               if (test_bit(FLAGS_FINAL, &ctx->flags))
+               if (test_bit(FLAGS_FINAL, &dd->flags))
                        err = omap_sham_finish(req);
        } else {
                ctx->flags |= BIT(FLAGS_ERROR);
@@ -1034,10 +1034,9 @@ static void omap_sham_done_task(unsigned long data)
 {
        struct omap_sham_dev *dd = (struct omap_sham_dev *)data;
        struct ahash_request *req = dd->req;
-       struct omap_sham_reqctx *ctx = ahash_request_ctx(req);
        int ready = 0, err = 0;
 
-       if (test_and_clear_bit(FLAGS_OUTPUT_READY, &ctx->flags))
+       if (test_and_clear_bit(FLAGS_OUTPUT_READY, &dd->flags))
                ready = 1;
 
        if (test_and_clear_bit(FLAGS_DMA_ACTIVE, &dd->flags)) {
@@ -1067,14 +1066,8 @@ static void omap_sham_queue_task(unsigned long data)
 static irqreturn_t omap_sham_irq(int irq, void *dev_id)
 {
        struct omap_sham_dev *dd = dev_id;
-       struct omap_sham_reqctx *ctx = ahash_request_ctx(dd->req);
-
-       if (!ctx) {
-               dev_err(dd->dev, "unknown interrupt.\n");
-               return IRQ_HANDLED;
-       }
 
-       if (unlikely(test_bit(FLAGS_FINAL, &ctx->flags)))
+       if (unlikely(test_bit(FLAGS_FINAL, &dd->flags)))
                /* final -> allow device to go to power-saving mode */
                omap_sham_write_mask(dd, SHA_REG_CTRL, 0, SHA_REG_CTRL_LENGTH);
 
@@ -1082,7 +1075,7 @@ static irqreturn_t omap_sham_irq(int irq, void *dev_id)
                                 SHA_REG_CTRL_OUTPUT_READY);
        omap_sham_read(dd, SHA_REG_CTRL);
 
-       set_bit(FLAGS_OUTPUT_READY, &ctx->flags);
+       set_bit(FLAGS_OUTPUT_READY, &dd->flags);
        dd->err = 0;
        tasklet_schedule(&dd->done_task);