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Commit 60d585ad authored by Dean Luick's avatar Dean Luick Committed by Doug Ledford
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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: default avatarDennis Dalessandro <dennis.dalessandro@intel.com>
Reviewed-by: default avatarMike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: default avatarDean Luick <dean.luick@intel.com>
Signed-off-by: default avatarDoug Ledford <dledford@redhat.com>
parent de882ff5

drivers/staging/rdma/hfi1/chip.c

+2 −5
Original line number Diff line number Diff line
@@ -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);