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Commit 4abf01b4 authored by Jacob Keller's avatar Jacob Keller Committed by Jeff Kirsher
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fm10k: simplify reading PFVFLRE register 



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: default avatarJacob Keller <jacob.e.keller@intel.com>
Tested-by: default avatarKrishneil Singh <krishneil.k.singh@intel.com>
Signed-off-by: default avatarJeff Kirsher <jeffrey.t.kirsher@intel.com>
parent 8bac58be

drivers/net/ethernet/intel/fm10k/fm10k_iov.c

+2 −4
Original line number Diff line number Diff line 
/* 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;