The SYSTIME_CFG.Adjust field has a Direction bit to indicate whether the
adjustment is positive or negative. However, we incorrectly read the
documentation and the direction bit should be set 1 when positive, not
when negative.
Signed-off-by: Wang Xiao W <xiao.w.wang at intel.com>
---
drivers/net/fm10k/base/fm10k_pf.c | 4 ++--
drivers/net/fm10k/base/fm10k_type.h | 2 +-
2 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/net/fm10k/base/fm10k_pf.c
b/drivers/net/fm10k/base/fm10k_pf.c
index eb1adc9..86283fa 100644
--- a/drivers/net/fm10k/base/fm10k_pf.c
+++ b/drivers/net/fm10k/base/fm10k_pf.c
@@ -1927,8 +1927,8 @@ 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);
diff --git a/drivers/net/fm10k/base/fm10k_type.h
b/drivers/net/fm10k/base/fm10k_type.h
index a0e5f79..7966a03 100644
--- a/drivers/net/fm10k/base/fm10k_type.h
+++ b/drivers/net/fm10k/base/fm10k_type.h
@@ -486,7 +486,7 @@ struct fm10k_hw;
#define FM10K_SW_SYSTIME_CFG_ADJUST_MASK 0xFF000000
#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)
#ifndef ETH_ALEN
--
1.9.3
