From: Dean Luick Date: Thu, 12 May 2016 17:22:51 +0000 (-0700) Subject: IB/hfi1: Remove no-op QSFP reset code X-Git-Tag: v4.7-rc1~13^2~2^2~38 X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=1ebe79c9484bb1b9bd51b3dd6e82b8ff87ebaeba;p=linux.git 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 Signed-off-by: Dean Luick Signed-off-by: Doug Ledford --- diff --git a/drivers/staging/rdma/hfi1/chip.c b/drivers/staging/rdma/hfi1/chip.c index ce4c275b60f2..ec0953ec7ee3 100644 --- a/drivers/staging/rdma/hfi1/chip.c +++ b/drivers/staging/rdma/hfi1/chip.c @@ -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);