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IB/hfi1: Simplify init_qpmap_table() 

Make init_qpmap_table() easier to understand by simplifying
the loop indexing and writing each register when it is "full",
removing the need for a follow-on register write.

Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Reviewed-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: Dean Luick <dean.luick@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Dean Luick 2016-04-12 10:50:35 -07:00 committed by Doug Ledford
parent de882ff5b8
commit 60d585ad6e
1 changed files with 2 additions and 5 deletions
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7
drivers/staging/rdma/hfi1/chip.c
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@ -13451,20 +13451,17 @@ static void init_qpmap_table(struct hfi1_devdata *dd,
int i;
u64 ctxt = first_ctxt;
for (i = 0; i < 256;) {
for (i = 0; i < 256; i++) {
reg |= ctxt << (8 * (i % 8));
i++;
ctxt++;
if (ctxt > last_ctxt)
ctxt = first_ctxt;
if (i % 8 == 0) {
if (i % 8 == 7) {
write_csr(dd, regno, reg);
reg = 0;
regno += 8;
}
}
if (i % 8)
write_csr(dd, regno, reg);
add_rcvctrl(dd, RCV_CTRL_RCV_QP_MAP_ENABLE_SMASK
| RCV_CTRL_RCV_BYPASS_ENABLE_SMASK);