Commit 1ebe79c9 authored May 12, 2016 by Dean Luick Committed by Doug Ledford May 13, 2016

IB/hfi1: Remove no-op QSFP reset code



The RESET_N bit of the ASIC_QSFPn_OE register is not used by
the hardware.  Remove code that tries to use it - it does
nothing.

Reviewed-by: Easwar Hariharan <easwar.hariharan@intel.com>
Signed-off-by: Dean Luick <dean.luick@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>

parent 27a340f6

drivers/staging/rdma/hfi1/chip.c

+0 −3

Original line number	Diff line number	Diff line
		@@ -9212,9 +9212,6 @@ void reset_qsfp(struct hfi1_pportdata *ppd)

		/* Reset the QSFP */
		mask = (u64)QSFP_HFI0_RESET_N;
		qsfp_mask = read_csr(dd, dd->hfi1_id ? ASIC_QSFP2_OE : ASIC_QSFP1_OE);
		qsfp_mask \|= mask;
		write_csr(dd, dd->hfi1_id ? ASIC_QSFP2_OE : ASIC_QSFP1_OE, qsfp_mask);

		qsfp_mask = read_csr(dd,
		dd->hfi1_id ? ASIC_QSFP2_OUT : ASIC_QSFP1_OUT);

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