Replace open coded register writing loop with a for.
Further simplify code by using a local var to precompute
the register address for readability.
Signed-off-by: Gilad Ben-Yossef <gilad@xxxxxxxxxxxxx>
---
drivers/staging/ccree/ssi_request_mgr.c | 16 +++++++++-------
1 file changed, 9 insertions(+), 7 deletions(-)
diff --git a/drivers/staging/ccree/ssi_request_mgr.c b/drivers/staging/ccree/ssi_request_mgr.c
index f5041f7..65c4d9f 100644
--- a/drivers/staging/ccree/ssi_request_mgr.c
+++ b/drivers/staging/ccree/ssi_request_mgr.c
@@ -164,15 +164,17 @@ static inline void enqueue_seq(
void __iomem *cc_base,
struct cc_hw_desc seq[], unsigned int seq_len)
{
- int i;
+ int i, w;
+ void * __iomem reg = cc_base + CC_REG(DSCRPTR_QUEUE_WORD0);
+
+ /*
+ * We do indeed write all 6 command words to the same
+ * register. The HW supports this.
+ */
for (i = 0; i < seq_len; i++) {
- writel_relaxed(seq[i].word[0], (cc_base + CC_REG(DSCRPTR_QUEUE_WORD0)));
- writel_relaxed(seq[i].word[1], (cc_base + CC_REG(DSCRPTR_QUEUE_WORD0)));
- writel_relaxed(seq[i].word[2], (cc_base + CC_REG(DSCRPTR_QUEUE_WORD0)));
- writel_relaxed(seq[i].word[3], (cc_base + CC_REG(DSCRPTR_QUEUE_WORD0)));
- writel_relaxed(seq[i].word[4], (cc_base + CC_REG(DSCRPTR_QUEUE_WORD0)));
- writel_relaxed(seq[i].word[5], (cc_base + CC_REG(DSCRPTR_QUEUE_WORD0)));
+ for (w = 0; w <= 5; w++)
+ writel_relaxed(seq[i].word[w], reg);
#ifdef DX_DUMP_DESCS
dev_dbg(dev, "desc[%02d]: 0x%08X 0x%08X 0x%08X 0x%08X 0x%08X 0x%08X\n",
i, seq[i].word[0], seq[i].word[1], seq[i].word[2],
--
2.7.4
