Commit 646725a7 authored by Jacob Keller's avatar Jacob Keller Committed by Jeff Kirsher
Browse files

fm10k: fix incorrect DIR_NEVATIVE bit in 1588 code 



The SYSTIME_CFG.Adjust Direction bit is actually supposed to indicate
that the adjustment is positive. Fix the code to align correctly with
hardware and documentation.

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 7fef3932

drivers/net/ethernet/intel/fm10k/fm10k_pf.c

+2 −2
Original line number Diff line number Diff line
@@ -1792,8 +1792,8 @@ static s32 fm10k_adjust_systime_pf(struct fm10k_hw *hw, s32 ppb) 
	if (systime_adjust > FM10K_SW_SYSTIME_ADJUST_MASK)

		return FM10K_ERR_PARAM;



	if (ppb < 0)

		systime_adjust |= FM10K_SW_SYSTIME_ADJUST_DIR_NEGATIVE;

	if (ppb > 0)

		systime_adjust |= FM10K_SW_SYSTIME_ADJUST_DIR_POSITIVE;



	fm10k_write_sw_reg(hw, FM10K_SW_SYSTIME_ADJUST, (u32)systime_adjust);

drivers/net/ethernet/intel/fm10k/fm10k_type.h

+1 −1
Original line number Diff line number Diff line
@@ -369,7 +369,7 @@ struct fm10k_hw; 
/* Registers contained in BAR 4 for Switch management */

#define FM10K_SW_SYSTIME_ADJUST	0x0224D

#define FM10K_SW_SYSTIME_ADJUST_MASK		0x3FFFFFFF

#define FM10K_SW_SYSTIME_ADJUST_DIR_NEGATIVE	0x80000000

#define FM10K_SW_SYSTIME_ADJUST_DIR_POSITIVE	0x80000000

#define FM10K_SW_SYSTIME_PULSE(_n)	((_n) + 0x02252)



enum fm10k_int_source {

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