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crypto: omap-sham - move some flags to device context 

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>
This commit is contained in:
Dmitry Kasatkin 2011-06-02 21:10:07 +03:00 коммит произвёл Herbert Xu
Родитель a929cbeef7
Коммит ed3ea9a82b
1 изменённых файлов: 6 добавлений и 13 удалений
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19
drivers/crypto/omap-sham.c
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@ -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);