@@ -1,5 +1,5 @@
/* Intel(R) Ethernet Switch Host Interface Driver
- * Copyright(c) 2013 - 2016 Intel Corporation.
+ * Copyright(c) 2013 - 2017 Intel Corporation.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
@@ -67,10 +67,8 @@ s32 fm10k_iov_event(struct fm10k_intfc *interface)
/* read VFLRE to determine if any VFs have been reset */
do {
- vflre = fm10k_read_reg(hw, FM10K_PFVFLRE(0));
+ vflre = fm10k_read_reg(hw, FM10K_PFVFLRE(1));
vflre <<= 32;
- vflre |= fm10k_read_reg(hw, FM10K_PFVFLRE(1));
- vflre = (vflre << 32) | (vflre >> 32);
vflre |= fm10k_read_reg(hw, FM10K_PFVFLRE(0));
i = iov_data->num_vfs;
We're doing a really convoluted bitshift and read for the PFVFLRE register. Just reading the PFVFLRE(1), shifting it by 32, then reading PFVFLRE(0) should be sufficient. Signed-off-by: Jacob Keller <jacob.e.keller@intel.com> --- drivers/net/ethernet/intel/fm10k/fm10k_iov.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-)